Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
159
FNUS56 KSTO 290731
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
1230 AM PDT Fri Aug 29 2025
NOTE: THIS PRODUCT HAS UPDATED FORECAST DATA BUT THE FORECAST
DISCUSSION IS FROM THE PREVIOUS DAY.
.DISCUSSION...
High temperatures will gradually warm through the weekend into
next week. Afternoon humidity levels will generally be in the
teens to lower 20s, with areas of poor recovery in the foothills
and mountains. Dry weather is expected, except for a slight chance
of showers and thunderstorms over the Sierra crest south of
Highway 50. Winds will generally be light and terrain driven.
CAZ213-300000-
Eastern Portion of Shasta-Trinity NF-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99 lower elevations...except 83-92
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
south in the afternoon.
* Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
south 4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........9500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........64-69 lower elevations...except 54-64
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........38-53 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 7 mph shifting to the
north up to 8 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100 lower elevations...except 84-94
higher elevations.
* Min Humidity...........12-21 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
south in the afternoon.
* Mixing Height..........8100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ214-300000-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........87-92 lower elevations...except 81-86
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 4 to
9 mph with local gusts up to 20 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 4
to 9 mph with local gusts up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........11200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........50-55.
* 24 HR Trend..........Little change.
* Max Humidity...........47-58 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 8 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........89-94 lower elevations...except 82-88
higher elevations.
* Min Humidity...........16-23 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming west up
to 8 mph in the afternoon.
* Mixing Height..........9900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ215-300000-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........96-101.
* 24 HR Trend..........Little change.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
south 4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........9100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........65-70.
* 24 HR Trend..........Little change.
* Max Humidity...........39-50 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........South winds up to 8 mph shifting to the
north up to 6 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102.
* Min Humidity...........12-22 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
south in the afternoon.
* Mixing Height..........7500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ216-300000-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........94-99.
* 24 HR Trend..........Little change.
* Min Humidity...........21-29 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northeast winds up to 6 mph shifting to
the south 4 to 10 mph with local gusts up to 20 mph in the
afternoon.
* CWR....................0 percent.
* Mixing Height..........4600 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........62-67.
* 24 HR Trend..........Little change.
* Max Humidity...........48-63 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........South winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........96-101.
* Min Humidity...........13-28 percent.
* 20-Foot Winds..........North winds up to 8 mph shifting to the
south in the afternoon.
* Mixing Height..........5800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ217-300000-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........94-99.
* 24 HR Trend..........Little change.
* Min Humidity...........20-26 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 4 to 10 mph. Local gusts
up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4300 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........59-65.
* 24 HR Trend..........Little change.
* Max Humidity...........56-71 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........Southwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........96-101.
* Min Humidity...........12-26 percent.
* 20-Foot Winds..........Southwest winds up to 7 mph.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ218-300000-
Carquinez Strait and Delta-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........86-93.
* 24 HR Trend..........Little change.
* Min Humidity...........28-36 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 8 to 14 mph with local gusts up
to 25 mph.
* CWR....................0 percent.
* Mixing Height..........2000 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-63.
* 24 HR Trend..........Little change.
* Max Humidity...........69-80 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........West winds 7 to 13 mph with local gusts up
to 25 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........90-98.
* Min Humidity...........29-44 percent.
* 20-Foot Winds..........West winds 6 to 12 mph. Local gusts up to
20 mph in the morning.
* Mixing Height..........3000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ219-300000-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97.
* 24 HR Trend..........Little change.
* Min Humidity...........22-28 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........3700 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........61-67.
* 24 HR Trend..........Little change.
* Max Humidity...........50-65 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100.
* Min Humidity...........14-26 percent.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ263-279-300000-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98 lower elevations...except 78-88
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 5 to 11 mph with local gusts
up to 20 mph.
* Ridges/Upr Slopes....South winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........9600 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........68-73 lower elevations...except 59-67
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........30-37 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 5 to 11 mph.
* Ridges/Upr Slopes....West winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........94-99 lower elevations...except 78-88
higher elevations.
* Min Humidity...........14-27 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 9 mph shifting to the
east up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Northwest winds 4 to 10 mph shifting to the
southeast 4 to 9 mph in the afternoon.
* Mixing Height..........7500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ266-300000-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96 lower elevations...except 86-92
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds 5 to 11 mph shifting to the
southwest up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the
southwest up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8700 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........65-72.
* 24 HR Trend..........Little change.
* Max Humidity...........31-41 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 9 mph.
* Ridges/Upr Slopes....East winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97 lower elevations...except 87-93
higher elevations.
* Min Humidity...........14-28 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 5 to 11 mph shifting to the
southwest up to 7 mph in the afternoon.
* Ridges/Upr Slopes....East winds 4 to 10 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........7100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ220-267-300000-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........89-94.
* 24 HR Trend..........Little change.
* Min Humidity...........18-23 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 9 mph. Local gusts up
to 20 mph in the afternoon.
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........6100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........64-69.
* 24 HR Trend..........Little change.
* Max Humidity...........39-46 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........94-99 lower elevations...except 89-94
higher elevations.
* Min Humidity...........14-24 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph shifting to the
west up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
west up to 8 mph in the afternoon.
* Mixing Height..........7000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ268-300000-
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 29 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........80-88 lower elevations...except 73-81
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........17-23 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph shifting to the
southwest up to 8 mph in the afternoon.
* Ridges/Upr Slopes....South winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........9600 ft AGL.
* Chance of thunder......1 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........51-61.
* 24 HR Trend..........Little change.
* Max Humidity...........37-52 percent...except 56-71 percent in
the high mountain valleys.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 8 mph shifting to the
east 4 to 9 mph after midnight.
* Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the
east after midnight.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........81-87 lower elevations...except 74-82
higher elevations.
* Min Humidity...........16-31 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph shifting to the
southwest up to 8 mph in the afternoon.
* Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the
southwest in the afternoon.
* Mixing Height..........8300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ221-269-300000-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
1230 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........84-90 lower elevations...except 70-80
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........19-29 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph shifting to the west
4 to 9 mph in the afternoon.
* Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the west
in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8800 ft AGL.
* Chance of thunder......2 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-67 lower elevations...except 48-58
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........40-55 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 10 mph shifting to the
east 5 to 11 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......1 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........85-91 lower elevations...except 71-81
higher elevations.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 9 mph shifting to the west
up to 8 mph in the afternoon.
* Ridges/Upr Slopes....East winds 5 to 11 mph shifting to the
southwest 4 to 9 mph in the afternoon.
* Mixing Height..........8200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.SATURDAY NIGHT...Clear. Lows 55 to 65. West winds 5 to 15 mph.
.SUNDAY...Mostly sunny. Highs 82 to 92. South winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 55 to 65. Northwest winds up to
10 mph.
.LABOR DAY...Sunny. Highs 83 to 93. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 57 to 67. Variable less than
5 mph.
.TUESDAY...Mostly sunny. Highs 86 to 96. East winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 59 to 69. Northwest winds up
to 10 mph.
...Northern Sierra and Lassen Park
.SATURDAY NIGHT...Clear. Lows 56 to 66. Northeast winds up to
10 mph.
.SUNDAY...Mostly sunny. Highs 84 to 93. South winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 56 to 66. East winds up to
10 mph.
.LABOR DAY...Sunny. Highs 84 to 93. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 57 to 67. Variable less than
5 mph.
.TUESDAY...Mostly sunny. Highs 86 to 95. Variable less than
5 mph.
.TUESDAY NIGHT...Mostly clear. Lows 58 to 68. Variable less than
5 mph.
...Sierra Nevada Foothills
.SATURDAY NIGHT...Clear. Lows 66 to 71. Northeast winds up to
10 mph.
.SUNDAY...Mostly sunny. Highs 91 to 97. Southwest winds 5 to
15 mph.
.SUNDAY NIGHT...Clear. Lows 66 to 71. East winds up to 10 mph.
.LABOR DAY...Sunny. Highs 92 to 97. Variable less than 5 mph.
.MONDAY NIGHT...Mostly clear. Lows 67 to 73. Variable less than
5 mph.
.TUESDAY...Sunny. Highs 94 to 99. Variable less than 5 mph.
.TUESDAY NIGHT...Mostly clear. Lows 68 to 73. Variable less than
5 mph.
...Central Valley and Delta
.SATURDAY NIGHT...Clear. Lows 60 to 66. Southwest winds 5 to
15 mph.
.SUNDAY...Sunny. Highs 96 to 101. West winds 5 to 15 mph.
.SUNDAY NIGHT...Clear. Lows 61 to 66. Southwest winds 5 to
15 mph.
.LABOR DAY...Sunny. Highs 97 to 102. Northwest winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 62 to 68. Southwest winds up to
10 mph.
.TUESDAY...Sunny. Highs 99 to 104. Northwest winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 63 to 69. Southwest winds up
to 10 mph.
$$