Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
939
FNUS56 KSTO 312136
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
217 PM PDT Sun Aug 31 2025
...Hot with Low Humidity with Chances of Thunderstorms Tuesday
and Wednesday...
.DISCUSSION...High temperatures will be hot early this week,
trending cooler mid to late week. Afternoon humidity levels will
be low and generally be in the teens to lower 20s, potentially
dropping into the single digits locally, with areas of poor
overnight recovery in the foothills and mountains. Winds will
generally be diurnal and terrain driven early week, with breezy
onshore winds developing mid-week. Dry weather is expected
through Monday, with chances of quick-moving mountain and
foothill showers and thunderstorms Tuesday into Wednesday,
with highest potential Tuesday.
CAZ213-012130-
Eastern Portion of Shasta-Trinity NF-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy smoke after midnight.
* Min Temperature........63-69 lower elevations...except 53-63
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........29-40 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the
north after midnight.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny. Patchy smoke in the morning.
* Max Temperature........96-101 lower elevations...except 85-95
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
south up to 8 mph in the afternoon.
* Ridges/Upr Slopes....East winds up to 8 mph shifting to the south
4 to 10 mph with local gusts up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8300 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear. Patchy smoke after midnight.
* Min Temperature........66-72 lower elevations...except 58-68
higher elevations.
* Max Humidity...........34-49 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 7 mph shifting to the
north after midnight.
* Ridges/Upr Slopes....Southwest winds up to 8 mph with local gusts
up to 20 mph shifting to the north 4 to 9 mph after midnight.
* Mixing Height..........700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102 lower elevations...except 87-97
higher elevations.
* Min Humidity...........14-26 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 8 mph shifting to the
south in the afternoon.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the
southeast up to 8 mph in the afternoon.
* Mixing Height..........8800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ214-012130-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........49-55.
* 24 HR Trend..........Little change.
* Max Humidity...........37-44 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 4 to 9 mph with local gusts up to
20 mph in the evening becoming drainage up to 5 mph.
* Ridges/Upr Slopes....South winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........90-95 lower elevations...except 84-89
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
southwest 6 to 12 mph with local gusts up to 25 mph in the
afternoon.
* Ridges/Upr Slopes....South winds 4 to 10 mph. Local gusts up to
25 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........10400 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........53-59.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 4 to 10 mph with local gusts
up to 25 mph in the evening becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Southwest winds 4 to 10 mph with local gusts
up to 25 mph shifting to the southeast up to 8 mph after
midnight.
* Mixing Height..........700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........92-97 lower elevations...except 84-90
higher elevations.
* Min Humidity...........18-29 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 becoming south up
to 7 mph in the afternoon.
* Mixing Height..........9100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ215-012130-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........63-69.
* 24 HR Trend..........Little change.
* Max Humidity...........33-42 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........South winds 4 to 9 mph shifting to the
north up to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........99-104.
* 24 HR Trend..........Little change.
* Min Humidity...........6-11 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
south 5 to 11 mph with local gusts up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8800 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........69-74.
* Max Humidity...........33-48 percent.
* 20-Foot Winds..........South winds 4 to 10 mph with local gusts
up to 20 mph shifting to the north up to 7 mph after midnight.
* Mixing Height..........600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* Min Humidity...........15-28 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
south up to 8 mph in the afternoon.
* Mixing Height..........6500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ216-012130-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-68.
* 24 HR Trend..........Little change.
* Max Humidity...........37-52 percent.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........Southeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........98-103.
* 24 HR Trend..........Little change.
* Min Humidity...........7-12 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph shifting to
the south 4 to 9 mph with local gusts up to 20 mph in the
afternoon.
* CWR....................0 percent.
* Mixing Height..........5500 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........66-72.
* Max Humidity...........38-53 percent.
* 20-Foot Winds..........Southeast winds up to 8 mph. Local gusts
up to 20 mph in the evening.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........Northeast winds up to 7 mph shifting to
the southeast 4 to 9 mph in the afternoon.
* Mixing Height..........4800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ217-012130-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........61-69.
* 24 HR Trend..........Little change.
* Max Humidity...........46-61 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........South winds up to 8 mph. Local gusts up to
20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........100-105.
* 24 HR Trend..........Little change.
* Min Humidity...........8-13 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........5100 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........64-70.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........Southwest winds up to 8 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........20-35 percent.
* 20-Foot Winds..........South winds 4 to 9 mph.
* Mixing Height..........3700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ218-012130-
Carquinez Strait and Delta-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........62-67.
* 24 HR Trend..........Little change.
* Max Humidity...........56-71 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 6 to 12 mph with local gusts up
to 20 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100.
* 24 HR Trend..........Little change.
* Min Humidity...........16-26 percent.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........West winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........2700 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........61-66.
* Max Humidity...........65-80 percent.
* 20-Foot Winds..........West winds 6 to 12 mph with local gusts up
to 20 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........85-95.
* Min Humidity...........45-60 percent.
* 20-Foot Winds..........Southwest winds 7 to 13 mph with local
gusts up to 25 mph.
* Mixing Height..........2200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ219-012130-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........65-72.
* 24 HR Trend..........Little change.
* Max Humidity...........39-54 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........99-104.
* 24 HR Trend..........Little change.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........4800 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........66-72.
* Max Humidity...........39-54 percent.
* 20-Foot Winds..........Northwest winds 6 to 12 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........18-33 percent.
* 20-Foot Winds..........West winds 4 to 9 mph.
* Mixing Height..........4500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ263-279-012130-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........68-73 lower elevations...except 60-68
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........27-32 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 4 to 10 mph.
* Ridges/Upr Slopes....West winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100 lower elevations...except 80-90
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 5 to 11 mph with local gusts
up to 20 mph.
* Ridges/Upr Slopes....South winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........8500 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........73-78 lower elevations...except 66-72
higher elevations.
* Max Humidity...........24-39 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 4 to 9 mph.
* Ridges/Upr Slopes....West winds 4 to 9 mph. Local gusts up to 20
mph in the evening.
* Mixing Height..........600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101 lower elevations...except 80-90
higher elevations.
* Min Humidity...........17-32 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph shifting to the
southeast 4 to 9 mph with local gusts up to 20 mph in the
afternoon.
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph shifting to the
southeast 5 to 11 mph in the afternoon.
* Mixing Height..........8900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ266-012130-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........66-74.
* 24 HR Trend..........Little change.
* Max Humidity...........25-30 percent.
* 24 HR Trend..........6 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 5 to 11 mph.
* Ridges/Upr Slopes....East winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100 lower elevations...except 90-95
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........9-14 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 6 to 12 mph.
* Ridges/Upr Slopes....South winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........9200 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........70-76.
* Max Humidity...........27-42 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph.
* Ridges/Upr Slopes....East winds 4 to 10 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........92-98 lower elevations...except 87-95
higher elevations.
* Min Humidity...........18-33 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 7 to 13 mph shifting to the
southwest up to 8 mph in the afternoon.
* Ridges/Upr Slopes....East winds 5 to 11 mph shifting to the
southwest up to 8 mph in the afternoon.
* Mixing Height..........6100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
$$
CAZ220-267-012130-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........68-73.
* 24 HR Trend..........Little change.
* Max Humidity...........30-35 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph with local gusts
up to 20 mph shifting to the northeast after midnight.
* Ridges/Upr Slopes....Northeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny. Patchy smoke in the afternoon.
* Max Temperature........98-103 lower elevations...except 93-98
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds up to 8 mph shifting to the
west in the afternoon.
* Ridges/Upr Slopes....East winds up to 8 mph shifting to the
southwest in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8400 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........69-74.
* Max Humidity...........32-47 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds up to 7 mph shifting to the
northeast up to 8 mph after midnight.
* Ridges/Upr Slopes....Northwest winds up to 7 mph shifting to the
northeast up to 8 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny then becoming partly cloudy
early in the afternoon then becoming mostly sunny. At higher
elevations, a slight chance of showers.
* Max Temperature........91-96.
* Min Humidity...........17-29 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph shifting to the
southwest up to 8 mph in the afternoon.
* Ridges/Upr Slopes....East winds up to 8 mph shifting to the
southwest in the afternoon.
* Mixing Height..........5900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......6 percent.
$$
CAZ268-012130-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........52-62.
* 24 HR Trend..........Little change.
* Max Humidity...........28-42 percent...except 45-52 percent in
the high mountain valleys.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 5 to 11 mph.
* Ridges/Upr Slopes....Southeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny.
* Max Temperature........83-90 lower elevations...except 76-83
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 6 to 12 mph.
* Ridges/Upr Slopes....South winds 6 to 12 mph with local gusts up
to 25 mph.
* CWR....................0 percent.
* Mixing Height..........9300 ft AGL.
* Chance of thunder......0 percent.
.MONDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-65.
* Max Humidity...........40-55 percent...except 56-71 percent in
the high mountain valleys.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 4 to 9 mph with local gusts
up to 20 mph shifting to the northeast after midnight.
* Ridges/Upr Slopes....Southwest winds 5 to 11 mph shifting to the
east 4 to 9 mph after midnight.
* Mixing Height..........300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.TUESDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........83-89 lower elevations...except 76-84
higher elevations.
* Min Humidity...........20-35 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 5 to 11 mph shifting to the
south up to 8 mph in the afternoon.
* Ridges/Upr Slopes....East winds 5 to 11 mph shifting to the south
4 to 9 mph in the afternoon.
* Mixing Height..........8900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......8 percent.
$$
CAZ221-269-012130-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
217 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-70 lower elevations...except 51-61
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........33-48 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph.
* Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the
southeast after midnight.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.LABOR DAY...
* Sky/Weather............Sunny. Patchy smoke in the afternoon.
* Max Temperature........90-95 lower elevations...except 75-85
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........17-24 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 4 to 10 mph.
* Ridges/Upr Slopes....Southwest winds 4 to 10 mph. Local gusts up
to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........9800 ft AGL.
* Chance of thunder......1 percent.
.MONDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy smoke.
* Min Temperature........65-73 lower elevations...except 53-63
higher elevations.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 7 mph shifting to the
east up to 8 mph after midnight.
* Ridges/Upr Slopes....West winds up to 8 mph shifting to the east
4 to 10 mph after midnight.
* Mixing Height..........300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
.TUESDAY...
* Sky/Weather............Partly cloudy then becoming mostly sunny
late in the morning then becoming partly cloudy. A slight chance
of showers in the morning. A chance of showers in the afternoon.
A slight chance of thunderstorms late in the afternoon.
* Max Temperature........86-92 lower elevations...except 71-81
higher elevations.
* Min Humidity...........23-38 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 9 mph shifting to the
southwest in the afternoon.
* Ridges/Upr Slopes....East winds 4 to 10 mph shifting to the south
4 to 9 mph in the afternoon.
* Mixing Height..........9000 ft AGL.
* CWR....................10 percent.
* Chance of thunder......16 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 57 to 67. North winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 81 to 91. East winds up to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 67. Northwest winds
up to 10 mph.
.THURSDAY...Mostly sunny. Highs 82 to 92. Southeast winds up to
10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 56 to 66. Variable less
than 5 mph.
.FRIDAY...Mostly sunny. Highs 79 to 89. South winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 53 to 63. Variable less than
5 mph.
...Northern Sierra and Lassen Park
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 56 to 66. Northeast winds 5 to 15 mph.
.WEDNESDAY...Mostly sunny. Highs 82 to 91. Southwest winds 5 to
15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66. Northeast winds
up to 10 mph.
.THURSDAY...Mostly sunny. Highs 82 to 92. Variable less than
5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 55 to 65. Variable less
than 5 mph.
.FRIDAY...Mostly sunny. Highs 80 to 89. Southwest winds up to
10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows 52 to 62. Variable less than
5 mph.
...Sierra Nevada Foothills
.TUESDAY NIGHT...Mostly clear. Lows 65 to 70. East winds up to
10 mph.
.WEDNESDAY...Mostly sunny. Highs 89 to 94. Southwest winds 5 to
15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 65 to 71. East winds up to
10 mph.
.THURSDAY...Mostly sunny. Highs 89 to 95. Variable less than
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows 63 to 69. Variable less than
5 mph.
.FRIDAY...Mostly sunny. Highs 86 to 91. Variable less than 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows 61 to 66. Variable less than
5 mph.
...Central Valley and Delta
.TUESDAY NIGHT...Mostly clear. Lows 61 to 66. Southwest winds
5 to 15 mph.
.WEDNESDAY...Mostly sunny. Highs 93 to 98. West winds 5 to
15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 65. Southwest winds
5 to 15 mph.
.THURSDAY...Mostly sunny. Highs 93 to 98. West winds up to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 59 to 64. Southwest winds up
to 10 mph.
.FRIDAY...Mostly sunny. Highs 89 to 94. Southwest winds up to
10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 58 to 63. South winds up to
10 mph.
$$