Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
293
FNUS56 KSTO 082103
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
202 PM PDT Tue Sep 8 2026
.DISCUSSION...
..ELEVATED FIRE WEATHER CONDITIONS IN THE VALLEY, DELTA, AND
ADJACENT FOOTHILLS TODAY THROUGH THURSDAY FROM LOW DAYTIME
HUMIDITY AND POOR OVERNIGHT RECOVERIES...
Warming trend through Thursday, with north winds, limited
overnight recoveries, and low daytime humidity values. North wind
gusts of 15-25 mph along and north of I-5 today, with weaker winds
Wednesday. Mountain precipitation chances have diminished
Wednesday and Thursday, with a less than 5 percent chance of
occurrence. Triple-digit heat in the Valley, Delta, and adjacent
foothills Wednesday and Thursday; cooling and onshore flow return
by Friday before potential for gusty north winds on Saturday
afternoon/evening and into Sunday.
CAZ121-092300-
W. Shasta County Above 3000 ft-
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........53-61.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........30-45 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....North winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........84-92.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........10-15 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....North winds 5 to 11 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6600 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-68.
* Max Humidity...........42-57 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........80-88.
* Min Humidity...........15-27 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph shifting to the
south up to 7 mph in the afternoon.
* Mixing Height..........6900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ122-092300-
W. Shasta County 1000-3000 ft-
Including the city of Whiskeytown
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-67 lower elevations...except 56-62
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........28-41 percent.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming
northwest 4 to 9 mph after midnight.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northwest 4 to 10 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........99-104 lower elevations...except 92-97
higher elevations.
* 24 HR Trend..........10 degrees warmer.
* Min Humidity...........8-13 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....North winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6300 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........66-74 lower elevations...except 61-69
higher elevations.
* Max Humidity...........34-49 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 4 to 10 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 10 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........96-101 lower elevations...except 89-94
higher elevations.
* Min Humidity...........15-23 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 9 mph shifting to the
southeast up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northwest winds 5 to 11 mph shifting to the
south up to 7 mph in the afternoon.
* Mixing Height..........6300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ123-092300-
Shasta Lake Area & 1-5 1000-3000 ft-
Including the city of Shasta Lake, Sims
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-64 lower elevations...except 54-62
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........36-51 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........North winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........96-101 lower elevations...except 91-97
higher elevations.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........10-15 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northeast winds 5 to 11 mph with local
gusts up to 20 mph shifting to the south up to 5 mph in the
afternoon.
* CWR....................0 percent.
* Mixing Height..........5700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........64-69 lower elevations...except 57-67
higher elevations.
* Max Humidity...........43-58 percent.
* 20-Foot Winds..........North winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........93-98 lower elevations...except 87-93
higher elevations.
* Min Humidity...........15-26 percent.
* 20-Foot Winds..........North winds up to 8 mph shifting to the
south up to 7 mph in the afternoon.
* Mixing Height..........5300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ124-092300-
Shasta Metro-
Including the city of Redding, Anderson
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-64.
* 24 HR Trend..........Little change.
* Max Humidity...........38-53 percent.
* 24 HR Trend..........18 percent down.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........101-106.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........7-12 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........5900 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........63-69.
* Max Humidity...........36-51 percent.
* 20-Foot Winds..........North winds up to 6 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........97-102.
* Min Humidity...........16-21 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
south up to 6 mph in the afternoon.
* Mixing Height..........4700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ125-092300-
Shasta County Foothills 1000-3000 ft-
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-64.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........45-51 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming east up
to 7 mph after midnight.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up
to 8 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........10-15 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds up to 8 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........64-69.
* Max Humidity...........32-47 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........92-97.
* Min Humidity...........19-25 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming
southwest up to 7 mph in the afternoon.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ126-092300-
E. Shasta /S. Cascades Above 3000 ft-
Including the city of Shingletown
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........47-57.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........44-59 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........82-92.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....East winds 4 to 10 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5200 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........52-62.
* Max Humidity...........42-57 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northeast up to 8 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........77-87.
* Min Humidity...........17-31 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph shifting to the
southwest 4 to 9 mph with local gusts up to 20 mph in the
afternoon.
* Ridges/Upr Slopes....East winds up to 7 mph shifting to the
southwest up to 8 mph with local gusts up to 20 mph in the
afternoon.
* Mixing Height..........5700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ127-092300-
Burney Basin-
Including the city of Burney
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........45-51.
* 24 HR Trend..........6 degrees warmer.
* Max Humidity...........48-63 percent.
* 24 HR Trend..........19 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming
northeast up to 7 mph after midnight.
* Ridges/Upr Slopes....Southeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........86-92 lower elevations...except 79-88
higher elevations.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Southeast winds up to 7 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........50-58.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
southeast up to 7 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming mostly sunny
late in the morning then becoming partly cloudy.
* Max Temperature........83-89 lower elevations...except 75-85
higher elevations.
* Min Humidity...........21-36 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 8 mph with local gusts up to 20 mph in the afternoon.
* Ridges/Upr Slopes....South winds up to 8 mph shifting to the west
4 to 9 mph with local gusts up to 20 mph in the afternoon.
* Mixing Height..........7100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ128-092300-
Lassen Volcanic NP-
Including the city of Lassen National Park
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........47-52.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........37-43 percent.
* 24 HR Trend..........27 percent down.
* 20-Foot Winds..........Southeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........73-80.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........19-24 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........7400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........52-57.
* Max Humidity...........34-49 percent.
* 20-Foot Winds..........West winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
becoming partly cloudy.
* Max Temperature........70-76.
* Min Humidity...........23-37 percent.
* 20-Foot Winds..........Southwest winds 5 to 11 mph. Local gusts
up to 20 mph in the afternoon.
* Mixing Height..........7100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ129-092300-
Sierra (Tehama-Plumas) 1000-3000 ft-
Including the city of Paradise
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........63-68.
* 24 HR Trend..........6 degrees warmer.
* Max Humidity...........36-48 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 6 to 12 mph.
* Ridges/Upr Slopes....Northeast winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........93-98.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 12 to 18 mph becoming west
up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 9 to 15 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........69-75.
* Max Humidity...........36-51 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........90-95.
* Min Humidity...........18-32 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 7 to 13 mph shifting to the
southwest up to 7 mph in the afternoon.
* Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........5700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ130-092300-
Sierra (Tehama-Plumas) Above 3000 ft-
Including the city of Mineral, Quincy
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........50-60.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........40-55 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 5 to 11 mph.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........85-92 lower elevations...except 79-87
higher elevations.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 9 to 15 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....East winds 9 to 15 mph shifting to the
southwest up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6900 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........55-65.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming
northeast up to 7 mph after midnight.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northeast up to 7 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
becoming partly cloudy.
* Max Temperature........81-87 lower elevations...except 75-83
higher elevations.
* Min Humidity...........20-35 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the
southwest with local gusts up to 20 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the
southwest with local gusts up to 20 mph in the afternoon.
* Mixing Height..........6500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ131-092300-
N. Motherlode 1000-3000 ft-
Including the city of Auburn, Grass Valley, Colfax, Nevada City
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-67.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........46-56 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........Northeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northeast winds up to 7 mph shifting to
the west in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........65-71.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........Northeast winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........92-97.
* Min Humidity...........21-30 percent.
* 20-Foot Winds..........East winds up to 7 mph shifting to the
southwest up to 6 mph in the afternoon.
* Mixing Height..........5800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ132-092300-
Sierra (Yuba-Placer) 3000-5000 ft-
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-65.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........42-56 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........Northeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........86-94.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........East winds 4 to 9 mph shifting to the west
up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5900 ft AGL.
* Chance of thunder......1 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........62-70.
* Max Humidity...........50-65 percent lower elevations...except
38-53 percent high elevations.
* 20-Foot Winds..........Northeast winds up to 7 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........82-90.
* Min Humidity...........22-34 percent.
* 20-Foot Winds..........East winds up to 7 mph shifting to the
southwest up to 8 mph in the afternoon.
* Mixing Height..........6400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ133-092300-
Sierra (Sierra-Placer) Above 5000 ft-
Including the city of Blue Canyon, Kingvale, Donner Peak
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........49-59.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........44-53 percent.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........East winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........77-86.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........21-26 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........East winds 6 to 12 mph with local gusts up
to 20 mph shifting to the west up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6500 ft AGL.
* Chance of thunder......1 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy in the evening then becoming
mostly cloudy.
* Min Temperature........54-64.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........Southwest winds up to 6 mph shifting to
the east up to 7 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
becoming mostly sunny.
* Max Temperature........73-81.
* Min Humidity...........26-41 percent.
* 20-Foot Winds..........Southeast winds up to 7 mph shifting to
the southwest 4 to 10 mph with local gusts up to 25 mph in the
afternoon.
* Mixing Height..........6400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ134-092300-
Central Motherlode 1000-3000 ft-
Including the city of Cameron Park, Shingle Springs, Placerville,
Cool, Jackson
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........66-71.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........37-45 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up
to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 8 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........4700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........70-75.
* Max Humidity...........30-45 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98.
* Min Humidity...........20-28 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest
up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* Mixing Height..........6200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......5 percent.
$$
CAZ135-092300-
Sierra 3000-5000 ft-
Including the city of Pollock Pines
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........60-68 lower elevations...except 66-71
higher elevations.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........39-49 percent.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph.
* Ridges/Upr Slopes....Northeast winds up to 7 mph in the evening
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........90-95.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph shifting to the west
in the afternoon.
* Ridges/Upr Slopes....East winds up to 7 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5900 ft AGL.
* Chance of thunder......1 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........64-72 lower elevations...except 69-76
higher elevations.
* Max Humidity...........39-54 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........86-92.
* Min Humidity...........21-35 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming
southwest up to 7 mph in the afternoon.
* Mixing Height..........7200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......4 percent.
$$
CAZ136-092300-
Sierra (El Dorado-Amador) Above 5000 ft-
Including the city of Carson Pass
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Partly cloudy in the evening then becoming
mostly cloudy.
* Min Temperature........51-58.
* 24 HR Trend..........9 degrees warmer.
* Max Humidity...........42-50 percent.
* 24 HR Trend..........22 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........77-87.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........21-26 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southeast winds 5 to 11 mph shifting to the
west up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6800 ft AGL.
* Chance of thunder......1 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy in the evening then becoming
mostly cloudy.
* Min Temperature........56-62.
* Max Humidity...........42-57 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up
to 7 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........72-82.
* Min Humidity...........24-39 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southeast winds up to 7 mph shifting to the
west 5 to 11 mph with local gusts up to 25 mph in the
afternoon.
* Mixing Height..........7300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ137-092300-
Southern Motherlode 1000-3000 ft-
Including the city of Sonora, Angels Camp
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........66-72.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........37-45 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph.
* Ridges/Upr Slopes....Northeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
west up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........70-76.
* Max Humidity...........33-48 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph with local gusts up
to 20 mph in the evening becoming drainage up to 5 mph.
* Ridges/Upr Slopes....North winds up to 7 mph in the evening
becoming variable up to 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........94-99.
* Min Humidity...........17-27 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 4 to
9 mph with local gusts up to 20 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming west up
to 8 mph with local gusts up to 20 mph in the afternoon.
* Mixing Height..........6600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......4 percent.
$$
CAZ138-092300-
Sierra (Cal-Tuo) 3000-5000 ft-
Including the city of Twain Harte, Arnold
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........63-70.
* 24 HR Trend..........9 degrees warmer.
* Max Humidity...........37-47 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........89-95.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph shifting to the
west up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the
west up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6600 ft AGL.
* Chance of thunder......1 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........66-74.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph.
* Ridges/Upr Slopes....Northeast winds up to 8 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........86-92.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph shifting to the
west in the afternoon.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the
west up to 8 mph with local gusts up to 20 mph in the
afternoon.
* Mixing Height..........7300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ139-092300-
Sierra (Cal-Tuo) Above 5000 ft-
Including the city of Twain Harte, Arnold
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........50-60.
* 24 HR Trend..........9 degrees warmer.
* Max Humidity...........43-53 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........76-86.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........22-27 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southeast winds 6 to 12 mph shifting to the
west 4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........7200 ft AGL.
* Chance of thunder......1 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........54-64.
* Max Humidity...........46-61 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northeast winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........73-83.
* Min Humidity...........24-39 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the west 6
to 12 mph in the afternoon.
* Mixing Height..........7400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......4 percent.
$$
CAZ140-092300-
Tehama Co Coast Range Above 3000 ft-
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
* 24 HR Trend..........6 degrees warmer.
* Max Humidity...........23-28 percent.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........West winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........80-89.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 9 mph shifting to the
east up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6300 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........64-70.
* Max Humidity...........26-38 percent.
* 20-Foot Winds..........West winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
partly cloudy late in the afternoon.
* Max Temperature........78-86.
* Min Humidity...........16-27 percent.
* 20-Foot Winds..........West winds 4 to 9 mph.
* Mixing Height..........6700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ141-092300-
W Tehama Co Foothills 1000-3000 ft-
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........66-71 lower elevations...except 61-68
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........23-28 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........West winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102 lower elevations...except 88-93
higher elevations.
* 24 HR Trend..........10 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 9 mph shifting to the
northeast up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........72-77.
* Max Humidity...........26-38 percent.
* 20-Foot Winds..........West winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
partly cloudy late in the afternoon.
* Max Temperature........96-101 lower elevations...except 87-92
higher elevations.
* Min Humidity...........16-24 percent.
* 20-Foot Winds..........West winds up to 8 mph shifting to the
east up to 7 mph in the afternoon.
* Mixing Height..........5500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ142-092300-
N. Sac Valley in Tehama County-
Including the city of Red Bluff
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........62-67.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........34-49 percent.
* 24 HR Trend..........15 percent down.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........99-104.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........7-12 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 8 mph. Local gusts up to
20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........5600 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........67-72.
* Max Humidity...........33-48 percent.
* 20-Foot Winds..........North winds up to 6 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming mostly sunny
early in the afternoon then becoming partly cloudy.
* Max Temperature........97-102.
* Min Humidity...........18-27 percent.
* 20-Foot Winds..........North winds up to 6 mph shifting to the
southeast up to 7 mph in the afternoon.
* Mixing Height..........4400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ143-092300-
Glenn/Colusa Coast Range Above 3000 ft-
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-66.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........22-28 percent.
* 24 HR Trend..........20 percent down.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........80-90.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 8 mph shifting to
the southeast up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6000 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy until early morning then
becoming mostly cloudy.
* Min Temperature........67-73.
* Max Humidity...........22-37 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
partly cloudy late in the afternoon.
* Max Temperature........78-88.
* Min Humidity...........13-28 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........6600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ144-092300-
Central Glenn Co & Interstate 5-
Including the city of Willows, Orland
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-67.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........31-42 percent.
* 24 HR Trend..........19 percent down.
* 20-Foot Winds..........West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds 4 to 9 mph. Local gusts up to
20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........5300 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........66-71.
* Max Humidity...........35-50 percent.
* 20-Foot Winds..........West winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........96-101.
* Min Humidity...........20-34 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph shifting to
the southeast up to 7 mph in the afternoon.
* Mixing Height..........4100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ145-092300-
Eastern Glenn County-
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........60-65.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........46-54 percent.
* 24 HR Trend..........27 percent down.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
northwest up to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 9 mph. Local gusts up
to 20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........4200 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........63-68.
* Max Humidity...........49-63 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........95-100.
* Min Humidity...........26-32 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
southeast up to 7 mph in the afternoon.
* Mixing Height..........4100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ146-092300-
Butte County Below 1000 ft-
Including the city of Chico, Oroville, Gridley
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-66.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........47-61 percent.
* 24 HR Trend..........16 percent down.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........4300 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........64-70.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........Northeast winds up to 6 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........96-101.
* Min Humidity...........20-33 percent.
* 20-Foot Winds..........Northeast winds up to 6 mph shifting to
the south up to 8 mph in the afternoon.
* Mixing Height..........4300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ147-092300-
W. Glenn/Colusa Foothills 1000-3000 ft-
202 PM PDT Tue Sep 8 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........63-70.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........23-30 percent.
* 24 HR Trend..........18 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming west up
to 8 mph after midnight.
* Ridges/Upr Slopes....Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101 lower elevations...except 89-94
higher elevations.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........10-15 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northwest winds up to 8 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5600 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........68-76.
* Max Humidity...........27-42 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds up to 8 mph.
* Ridges/Upr Slopes....West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........95-100 lower elevations...except 88-93
higher elevations.
* Min Humidity...........15-25 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast
up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming south up
to 8 mph in the afternoon.
* Mixing Height..........6200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ148-092300-
Central Colusa County Incl. I-5-
Including the city of Williams
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........63-68.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........28-40 percent.
* 24 HR Trend..........23 percent down.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........10-15 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........5000 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........67-72.
* Max Humidity...........37-52 percent.
* 20-Foot Winds..........West winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........96-101.
* Min Humidity...........20-34 percent.
* 20-Foot Winds..........West winds up to 6 mph shifting to the
southeast up to 8 mph in the afternoon.
* Mixing Height..........6500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ149-092300-
Eastern Colusa County-
Including the city of Colusa
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-66.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........41-46 percent.
* 24 HR Trend..........33 percent down.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
northwest up to 6 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........64-69.
* Max Humidity...........48-62 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101.
* Min Humidity...........26-32 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
southeast up to 5 mph in the afternoon.
* Mixing Height..........5100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ150-092300-
Sutter/Yuba counties below 1000 ft-
Including the city of Yuba City, Beale AFB
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-66.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........45-57 percent.
* 24 HR Trend..........30 percent down.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
north up to 8 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........65-70.
* Max Humidity...........36-51 percent.
* 20-Foot Winds..........Northwest winds up to 5 mph in the evening
becoming variable less than 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........97-102.
* Min Humidity...........21-31 percent.
* 20-Foot Winds..........Southeast winds up to 6 mph.
* Mixing Height..........4500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ151-092300-
Yolo / Solano County Hills-
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........67-76.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........28-43 percent.
* 24 HR Trend..........25 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northwest 4 to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-101.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....North winds 5 to 8 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5600 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........71-79.
* Max Humidity...........34-49 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....West winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........90-100.
* Min Humidity...........20-35 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southwest winds 5 to 11 mph. Local gusts up
to 20 mph in the afternoon.
* Mixing Height..........6400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ152-092300-
W. Yolo County including Capay/I-505-
Including the city of Esparto, Winters
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........65-72.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........25-34 percent.
* 24 HR Trend..........25 percent down.
* 20-Foot Winds..........Northwest winds up to 8 mph. Local gusts
up to 20 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........99-104.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds 4 to 9 mph. Local gusts up to
20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........5400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........69-75.
* Max Humidity...........33-48 percent.
* 20-Foot Winds..........West winds up to 6 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........99-104.
* Min Humidity...........18-27 percent.
* 20-Foot Winds..........West winds up to 6 mph shifting to the
south up to 8 mph in the afternoon.
* Mixing Height..........6900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ153-092300-
C. Yolo/NE Solano including Woodland-
Including the city of Woodland, Dixon
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-67.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........35-41 percent.
* 24 HR Trend..........33 percent down.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
northwest up to 6 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 8 mph. Local gusts
up to 20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........4500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........68-73.
* Max Humidity...........42-53 percent.
* 20-Foot Winds..........West winds up to 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........97-102.
* Min Humidity...........20-31 percent.
* 20-Foot Winds..........Southwest winds up to 7 mph.
* Mixing Height..........5900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ154-092300-
Sac Metro/W. El Dorado/Amador County-
Including the city of Lincoln, Roseville, Sacramento, Elk Grove,
Folsom
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........64-69.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........41-47 percent.
* 24 HR Trend..........30 percent down.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........99-104.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........69-74.
* Max Humidity...........37-51 percent.
* 20-Foot Winds..........West winds up to 6 mph shifting to the
southeast after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* Min Humidity...........18-29 percent.
* 20-Foot Winds..........South winds up to 7 mph.
* Mixing Height..........4600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ155-092300-
C. Solano County including Fairfield-
Including the city of Fairfield, Vacaville
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........67-72.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........40-46 percent.
* 24 HR Trend..........32 percent down.
* 20-Foot Winds..........West winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........100-105.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 9 mph. Local gusts up
to 20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........4300 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........71-76.
* Max Humidity...........38-53 percent.
* 20-Foot Winds..........West winds 4 to 9 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........94-99.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........West winds 6 to 12 mph with local gusts up
to 25 mph.
* Mixing Height..........2900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ156-092300-
SW Solano County including Vallejo-
Including the city of Vallejo, Benicia
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........66-71.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........48-55 percent.
* 24 HR Trend..........31 percent down.
* 20-Foot Winds..........West winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-102.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........15-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........3100 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........69-74.
* Max Humidity...........50-65 percent.
* 20-Foot Winds..........West winds 5 to 11 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........86-96.
* Min Humidity...........37-52 percent.
* 20-Foot Winds..........Southwest winds 8 to 14 mph. Local gusts
up to 25 mph in the afternoon.
* Mixing Height..........2000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......4 percent.
$$
CAZ157-092300-
Sacramento County Delta-
Including the city of Walnut Grove
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........66-71.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........42-47 percent.
* 24 HR Trend..........43 percent down.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........14-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 10 mph. Local gusts
up to 20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........4200 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........70-75.
* Max Humidity...........43-48 percent.
* 20-Foot Winds..........West winds 4 to 10 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........91-97.
* Min Humidity...........25-37 percent.
* 20-Foot Winds..........West winds 7 to 13 mph. Local gusts up to
25 mph in the afternoon.
* Mixing Height..........3300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ158-092300-
San Joaquin County Delta-
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........66-71.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........42-47 percent.
* 24 HR Trend..........36 percent down.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........71-76.
* Max Humidity...........39-48 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* Min Humidity...........22-37 percent.
* 20-Foot Winds..........West winds 5 to 11 mph.
* Mixing Height..........4300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ159-092300-
C. San Joaquin County including Stockton-
Including the city of Stockton, Lodi
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........66-71.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........44-49 percent.
* 24 HR Trend..........32 percent down.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........Northwest winds 4 to 10 mph with local
gusts up to 20 mph.
* CWR....................0 percent.
* Mixing Height..........4200 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........72-77.
* Max Humidity...........37-45 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* Min Humidity...........22-30 percent.
* 20-Foot Winds..........Northwest winds up to 8 mph. Local gusts
up to 20 mph in the afternoon.
* Mixing Height..........4900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ160-092300-
Tracy Triangle Below 1000 ft-
Including the city of Tracy
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........67-72.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........34-48 percent.
* 24 HR Trend..........23 percent down.
* 20-Foot Winds..........West winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 5 to 11 mph with local
gusts up to 20 mph.
* CWR....................0 percent.
* Mixing Height..........3900 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........73-78.
* Max Humidity...........27-42 percent.
* 20-Foot Winds..........West winds 4 to 10 mph with local gusts up
to 20 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101.
* Min Humidity...........12-25 percent.
* 20-Foot Winds..........West winds up to 8 mph increasing to 10 to
16 mph with local gusts up to 30 mph in the afternoon.
* Mixing Height..........4900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ161-092300-
NE San Joaquin Valley Below 1000 ft-
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........68-73.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........37-44 percent.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts
up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4600 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........72-77.
* Max Humidity...........30-45 percent.
* 20-Foot Winds..........North winds up to 8 mph. Local gusts up to
20 mph in the evening.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........98-103.
* Min Humidity...........20-27 percent.
* 20-Foot Winds..........Northeast winds up to 7 mph shifting to
the west 5 to 11 mph with local gusts up to 20 mph in the
afternoon.
* Mixing Height..........5500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ162-092300-
E. Diablo Range Above 1000 ft-
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........68-77.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........19-31 percent.
* 24 HR Trend..........19 percent down.
* 20-Foot Winds..........
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-101.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* CWR....................0 percent.
* Mixing Height..........5200 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........73-81.
* Max Humidity...........26-41 percent.
* 20-Foot Winds..........
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........93-99.
* Min Humidity...........10-22 percent.
* 20-Foot Winds..........
* Mixing Height..........6800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ163-092300-
W. Stanislaus County Above 1000 ft & I-5-
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........69-74.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........31-46 percent.
* 24 HR Trend..........18 percent down.
* 20-Foot Winds..........Northwest winds 5 to 11 mph with local
gusts up to 20 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........Northwest winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........3900 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........72-77.
* Max Humidity...........28-43 percent.
* 20-Foot Winds..........West winds up to 8 mph. Local gusts up to
20 mph in the evening.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........96-101.
* Min Humidity...........14-28 percent.
* 20-Foot Winds..........Northwest winds 4 to 10 mph. Local gusts
up to 25 mph in the afternoon.
* Mixing Height..........7100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ164-092300-
C. Stanislaus County including Modesto-
Including the city of Modesto, Turlock
202 PM PDT Tue Sep 8 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........66-71.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........45-50 percent.
* 24 HR Trend..........28 percent down.
* 20-Foot Winds..........Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........13-20 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........Northwest winds 6 to 12 mph with local
gusts up to 20 mph.
* CWR....................0 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........69-74.
* Max Humidity...........35-49 percent.
* 20-Foot Winds..........Northwest winds 4 to 9 mph. Local gusts up
to 20 mph in the evening.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........96-101.
* Min Humidity...........20-30 percent.
* 20-Foot Winds..........Northwest winds 4 to 9 mph. Local gusts up
to 20 mph in the afternoon.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.THURSDAY NIGHT...Mostly clear. Lows 53 to 63. West winds 5 to
15 mph.
.FRIDAY...Sunny. Highs 77 to 87. Southwest winds 5 to 15 mph.
.FRIDAY NIGHT...Cooler, clear. Lows 47 to 57. West winds 5 to
15 mph.
.SATURDAY...Sunny. Highs 65 to 75. West winds 5 to 15 mph.
.SATURDAY NIGHT...Colder, clear. Lows 41 to 51. Northwest winds
5 to 15 mph.
.SUNDAY...Sunny. Highs 66 to 76. Northeast winds 5 to 10 mph.
.SUNDAY NIGHT...Clear. Lows 44 to 54. Northwest winds 5 to
10 mph.
...Northern Sierra and Lassen Park
.THURSDAY NIGHT...Mostly clear. Lows 55 to 65. Southeast winds up
to 10 mph.
.FRIDAY...Sunny. Highs 77 to 87. Southwest winds 5 to 15 mph.
.FRIDAY NIGHT...Cooler, clear. Lows 50 to 60. Southeast winds up
to 10 mph.
.SATURDAY...Sunny. Highs 68 to 78. Southwest winds 5 to 15 mph.
.SATURDAY NIGHT...Colder, clear. Lows 43 to 53. East winds up to
10 mph.
.SUNDAY...Sunny. Highs 68 to 77. North winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 45 to 55. Northeast winds 5 to
15 mph.
...Sierra Nevada Foothills
.THURSDAY NIGHT...Mostly clear. Lows 64 to 71. East winds up to
10 mph.
.FRIDAY...Sunny. Highs 86 to 91. South winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 59 to 64. East winds up to 10 mph.
.SATURDAY...Sunny. Highs 76 to 83. South winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 53 to 58. East winds up to 10 mph.
.SUNDAY...Sunny. Highs 76 to 82. Northwest winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 55 to 60. Northeast winds up to
10 mph.
...Central Valley and Delta
.THURSDAY NIGHT...Mostly clear. Lows 62 to 67. Southwest winds
10 to 20 mph.
.FRIDAY...Sunny. Highs 91 to 96. Southwest winds 5 to 15 mph.
.FRIDAY NIGHT...Clear. Lows 58 to 63. South winds 10 to 20 mph.
.SATURDAY...Sunny. Highs 84 to 89. Southwest winds 5 to 15 mph.
.SATURDAY NIGHT...Clear. Lows 56 to 61. West winds 5 to 15 mph.
.SUNDAY...Sunny. Highs 84 to 89. Northwest winds 5 to 15 mph.
.SUNDAY NIGHT...Clear. Lows 57 to 62. West winds up to 10 mph.
$$