Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
407
FNUS56 KSTO 010730
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
1230 AM PDT Fri Aug 1 2025
NOTE: THIS PRODUCT HAS UPDATED FORECAST DATA BUT THE FORECAST
DISCUSSION IS FROM THE PREVIOUS DAY.
...ISOLATED HIGH ELEVATION THUNDERSTORM CHANCES THROUGH THE
WEEKEND..
.DISCUSSION...
Isolated thunderstorm chances continue through the weekend across
the Coast Range and Shasta County mountains. Gusty outflow winds
and isolated lightning strikes will result in elevated fire
weather conditions. Near normal temperatures and breezy onshore
winds continue into the weekend, with winds becoming breezier on
Sunday.
CAZ213-020000-
Eastern Portion of Shasta-Trinity NF-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99 lower elevations...except 84-93
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........16-22 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south up
to 8 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
south in the afternoon.
* CWR....................0 percent.
* Mixing Height..........11400 ft AGL.
* Chance of thunder......8 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........64-69 lower elevations...except 55-65
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........58-73 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......8 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97 lower elevations...except 81-91
higher elevations.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....North winds up to 7 mph shifting to the
south in the afternoon.
* Mixing Height..........8400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ214-020000-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Sunny in the morning then becoming partly
cloudy.
* Max Temperature........87-92 lower elevations...except 79-86
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........22-27 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 4 to
9 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 4
to 9 mph with local gusts up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........10600 ft AGL.
* Chance of thunder......6 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........53-58 lower elevations...except 48-57
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........65-77 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds up to 8 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........800 ft AGL.
* Chance of thunder......5 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........85-90 lower elevations...except 78-84
higher elevations.
* Min Humidity...........21-36 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming west up
to 7 mph in the afternoon.
* Mixing Height..........9000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ215-020000-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* 24 HR Trend..........Little change.
* Min Humidity...........19-26 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 6 mph shifting to the
south 4 to 10 mph with local gusts up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........10100 ft AGL.
* Chance of thunder......3 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........65-70.
* 24 HR Trend..........Little change.
* Max Humidity...........61-73 percent.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........South winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......3 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100.
* Min Humidity...........21-36 percent.
* 20-Foot Winds..........Northeast winds up to 6 mph shifting to
the south up to 7 mph in the afternoon.
* Mixing Height..........7200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ216-020000-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97.
* 24 HR Trend..........Little change.
* Min Humidity...........25-34 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........5100 ft AGL.
* Chance of thunder......1 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........60-65.
* 24 HR Trend..........Little change.
* Max Humidity...........72-87 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........Southeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......1 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........93-98.
* Min Humidity...........24-39 percent.
* 20-Foot Winds..........Southeast winds up to 8 mph.
* Mixing Height..........5000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ217-020000-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........91-96.
* 24 HR Trend..........Little change.
* Min Humidity...........26-34 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........South winds 5 to 11 mph. Local gusts up to
20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4900 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........78-93 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........South winds 5 to 11 mph. Local gusts up to
20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97.
* Min Humidity...........23-38 percent.
* 20-Foot Winds..........South winds 4 to 9 mph.
* Mixing Height..........4200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ218-020000-
Carquinez Strait and Delta-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........83-92.
* 24 HR Trend..........Little change.
* Min Humidity...........36-49 percent.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........West winds 8 to 14 mph with local gusts up
to 25 mph.
* CWR....................0 percent.
* Mixing Height..........2800 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........86-93 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 8 to 14 mph with local
gusts up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........84-92.
* Min Humidity...........45-60 percent.
* 20-Foot Winds..........Southwest winds 7 to 13 mph.
* Mixing Height..........2700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ219-020000-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97.
* 24 HR Trend..........Little change.
* Min Humidity...........24-32 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........5200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........72-87 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........Northwest winds 9 to 15 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........Northwest winds 6 to 12 mph.
* Mixing Height..........4000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ263-279-020000-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........92-97 lower elevations...except 77-87
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........23-33 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
southeast up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
southeast 4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........9100 ft AGL.
* Chance of thunder......10 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........68-73 lower elevations...except 58-66
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........50-60 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 6 to 12 mph.
* Ridges/Upr Slopes....Northwest winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......4 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96 lower elevations...except 75-85
higher elevations.
* Min Humidity...........27-42 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph shifting to the
southeast in the afternoon.
* Ridges/Upr Slopes....North winds 4 to 10 mph shifting to the
southeast 4 to 9 mph in the afternoon.
* Mixing Height..........7200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ266-020000-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........90-95 lower elevations...except 85-92
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........19-27 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph shifting to the
southwest 4 to 9 mph with local gusts up to 20 mph in the
afternoon.
* Ridges/Upr Slopes....North winds up to 7 mph shifting to the
southwest 4 to 9 mph with local gusts up to 20 mph in the
afternoon.
* CWR....................0 percent.
* Mixing Height..........7600 ft AGL.
* Chance of thunder......1 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........63-68.
* 24 HR Trend..........Little change.
* Max Humidity...........45-59 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph.
* Ridges/Upr Slopes....East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......1 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........90-95 lower elevations...except 84-90
higher elevations.
* Min Humidity...........22-37 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
southwest in the afternoon.
* Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
southwest in the afternoon.
* Mixing Height..........6400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ220-267-020000-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........87-92.
* 24 HR Trend..........Little change.
* Min Humidity...........21-27 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest
up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming
southwest up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........59-64.
* 24 HR Trend..........Little change.
* Max Humidity...........54-69 percent lower elevations...except
48-57 percent high elevations.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 8 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........87-93.
* Min Humidity...........15-27 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 8 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming
southwest up to 8 mph in the afternoon.
* Mixing Height..........5500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ268-020000-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........79-87 lower elevations...except 72-80
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........21-30 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the
southwest 5 to 11 mph in the afternoon.
* Ridges/Upr Slopes....East winds up to 8 mph shifting to the
southwest 5 to 11 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........9100 ft AGL.
* Chance of thunder......5 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........49-59.
* 24 HR Trend..........Little change.
* Max Humidity...........50-65 percent...except 67-76 percent in
the high mountain valleys.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 8 mph shifting to the
northeast up to 7 mph after midnight.
* Ridges/Upr Slopes....Southwest winds 4 to 10 mph shifting to the
northeast up to 8 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........78-84 lower elevations...except 71-79
higher elevations.
* Min Humidity...........23-38 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph shifting to the
southwest in the afternoon.
* Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
west up to 8 mph in the afternoon.
* Mixing Height..........7200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ221-269-020000-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
1230 AM PDT Fri Aug 1 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........82-88 lower elevations...except 70-80
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........22-29 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds up to 8 mph.
* Ridges/Upr Slopes....Southwest winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........6700 ft AGL.
* Chance of thunder......1 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........56-64 lower elevations...except 44-54
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........48-63 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 8 mph shifting to the
east after midnight.
* Ridges/Upr Slopes....Southwest winds 5 to 11 mph shifting to the
east up to 8 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........82-88 lower elevations...except 68-78
higher elevations.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph shifting to the
southwest 4 to 9 mph in the afternoon.
* Ridges/Upr Slopes....Southeast winds up to 8 mph shifting to the
southwest 5 to 11 mph in the afternoon.
* Mixing Height..........5900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.SATURDAY NIGHT...Clear. Lows 55 to 65. Northwest winds 5 to
15 mph.
.SUNDAY...Sunny. Highs 76 to 86. West winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 51 to 59. Northwest winds 5 to
15 mph.
.MONDAY...Sunny. Highs 75 to 85. Variable less than 5 mph.
.MONDAY NIGHT...Clear. Lows 53 to 63. Northwest winds up to
10 mph.
.TUESDAY...Sunny. Highs 80 to 90. Variable less than 5 mph.
.TUESDAY NIGHT...Clear. Lows 55 to 65. Northwest winds up to
10 mph.
...Northern Sierra and Lassen Park
.SATURDAY NIGHT...Clear. Lows 53 to 63. East winds up to 10 mph.
.SUNDAY...Sunny. Highs 78 to 86. Southwest winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 49 to 59. Southeast winds up to
10 mph.
.MONDAY...Sunny. Highs 75 to 84. Southwest winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 51 to 61. Variable less than 5 mph.
.TUESDAY...Sunny. Highs 80 to 88. Southwest winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 53 to 63. Variable less than 5 mph.
...Sierra Nevada Foothills
.SATURDAY NIGHT...Clear. Lows 60 to 67. East winds up to 10 mph.
.SUNDAY...Sunny. Highs 85 to 90. Southwest winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 57 to 62. Southeast winds up to
10 mph.
.MONDAY...Sunny. Highs 82 to 87. Variable less than 5 mph.
.MONDAY NIGHT...Clear. Lows 59 to 65. Variable less than 5 mph.
.TUESDAY...Sunny. Highs 86 to 92. Variable less than 5 mph.
.TUESDAY NIGHT...Clear. Lows 63 to 68. Variable less than 5 mph.
...Central Valley and Delta
.SATURDAY NIGHT...Clear. Lows 58 to 64. Southwest winds 5 to
15 mph.
.SUNDAY...Sunny. Highs 89 to 94. Southwest winds 5 to 15 mph.
.SUNDAY NIGHT...Clear. Lows 57 to 62. Southwest winds 10 to
20 mph.
.MONDAY...Sunny. Highs 87 to 92. West winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 58 to 63. Southwest winds up to
10 mph.
.TUESDAY...Sunny. Highs 93 to 98. Variable less than 5 mph.
.TUESDAY NIGHT...Clear. Lows 61 to 67. Southwest winds up to
10 mph.
$$