Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
277
FNUS56 KSTO 180923
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
122 AM PST Tue Nov 18 2025
.DISCUSSION...
Drier weather today through Wednesday afternoon, then a new
weather system is forecast to bring additional rain and mountain
snow to the region through early Friday morning. Drier weather
returns over the weekend.
CAZ213-190100-
Eastern Portion of Shasta-Trinity NF-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........62-67 lower elevations...except 52-60
higher elevations.
* 24 HR Trend..........10 degrees warmer.
* Min Humidity...........60-74 percent.
* 24 HR Trend..........23 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....North winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........2400 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........42-47 lower elevations...except 34-41
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....North winds up to 7 mph in the evening
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy. A chance of rain showers
late in the afternoon.
* Max Temperature........50-55 lower elevations...except 41-49
higher elevations.
* Min Humidity...........77-92 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming south up
to 7 mph in the afternoon.
* Mixing Height..........1400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ214-190100-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........52-57.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........66-72 percent.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....East winds up to 7 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........3100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........29-34.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy. A slight chance of rain
showers late in the afternoon.
* Max Temperature........45-50.
* Min Humidity...........81-96 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* Mixing Height..........2400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ215-190100-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........61-66.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........62-77 percent.
* 24 HR Trend..........22 percent down.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
southeast up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........1800 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........44-49.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 6 mph in the evening
becoming variable less than 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy. A chance of showers late in
the afternoon.
* Max Temperature........54-59.
* Min Humidity...........81-96 percent.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* Mixing Height..........1700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ216-190100-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........59-64.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........72-85 percent.
* 24 HR Trend..........16 percent down.
* 20-Foot Winds..........West winds up to 7 mph shifting to the
southeast up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........2100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........44-49.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy. A slight chance of showers
late in the afternoon.
* Max Temperature........54-59.
* Min Humidity...........80-95 percent.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* Mixing Height..........2100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ217-190100-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........58-63.
* 24 HR Trend..........Little change.
* Min Humidity...........71-86 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........Southwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2900 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........45-50.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........56-61.
* Min Humidity...........75-90 percent.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ218-190100-
Carquinez Strait and Delta-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........60-65.
* 24 HR Trend..........Little change.
* Min Humidity...........73-80 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........Southwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........2800 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........45-50.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........57-62.
* Min Humidity...........74-89 percent.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* Mixing Height..........2600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ219-190100-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly sunny. Patchy fog in the morning.
* Max Temperature........56-61.
* 24 HR Trend..........Little change.
* Min Humidity...........74-89 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........Northwest winds up to 7 mph shifting to
the southwest in the afternoon.
* CWR....................0 percent.
* Mixing Height..........2500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........44-49.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing.
* Max Temperature........56-61.
* Min Humidity...........73-88 percent.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* Mixing Height..........3100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ263-279-190100-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........60-65 lower elevations...except 47-55
higher elevations.
* 24 HR Trend..........10 degrees warmer.
* Min Humidity...........60-65 percent lower elevations...except
66-78 percent high elevations.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....North winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........2100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........44-49 lower elevations...except 35-41
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........94-100 percent.
* 24 HR Trend..........8 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Northwest winds up to 7 mph shifting to the
east after midnight.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy. A chance of rain showers
late in the afternoon.
* Max Temperature........51-56 lower elevations...except 40-46
higher elevations.
* Min Humidity...........80-95 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast
up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Southeast winds up to 8 mph.
* Mixing Height..........1400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ266-190100-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........54-61.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........70-85 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 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..........1700 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........42-47.
* 24 HR Trend..........Little change.
* Max Humidity...........94-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy. A chance of rain showers
late in the afternoon.
* Max Temperature........47-53.
* Min Humidity...........79-94 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* Mixing Height..........1900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ220-267-190100-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy. Patchy fog in the morning.
* Max Temperature........52-57.
* 24 HR Trend..........Little change.
* Min Humidity...........84-92 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly cloudy.
* Min Temperature........40-45.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly cloudy.
* Max Temperature........54-59 lower elevations...except 49-54
higher elevations.
* Min Humidity...........78-93 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* Mixing Height..........2900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ268-190100-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny. Areas of fog in the morning.
* Max Temperature........50-55 lower elevations...except 44-50
higher elevations.
* 24 HR Trend..........9 degrees warmer.
* Min Humidity...........70-83 percent.
* 24 HR Trend..........15 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....East winds 5 to 11 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........2300 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........28-36.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Partly cloudy until late afternoon then
becoming mostly cloudy. At lower elevations, a chance of showers
late in the afternoon. At higher elevations, a chance of showers
and snow showers late in the afternoon.
* Max Temperature........40-48.
* Min Humidity...........77-92 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..........1600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ221-269-190100-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
122 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy. Patchy fog in the morning.
* Max Temperature........49-55 lower elevations...except 38-48
higher elevations.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........72-87 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........1800 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........34-40 lower elevations...except 23-32
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........89-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph.
* Ridges/Upr Slopes....East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
mostly cloudy.
* Max Temperature........46-51 lower elevations...except 37-45
higher elevations.
* Min Humidity...........73-88 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....East winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.WEDNESDAY NIGHT...Showers. Lows 33 to 42. South winds up to
10 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Highs 40 to
48. East winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 30 to 40. North winds 5 to
15 mph.
.FRIDAY...Not as cool. Sunny. Highs 48 to 58. North winds 5 to
10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 32 to 42. North winds 5 to
10 mph.
.SATURDAY...Mostly sunny. Highs 53 to 62. North winds up to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 33 to 43. Variable less than
5 mph.
...Northern Sierra and Lassen Park
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
33 to 40. South winds up to 10 mph.
.THURSDAY...Showers likely. Highs 40 to 48. South winds up to
10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 29 to 38. Northeast winds 5 to 15 mph.
.FRIDAY...Not as cool. Mostly sunny. Highs 48 to 57. Northeast
winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 31 to 41. Northeast winds 5 to
10 mph.
.SATURDAY...Mostly sunny. Highs 53 to 61. Northeast winds up to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 32 to 42. Variable less than
5 mph.
...Sierra Nevada Foothills
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
41 to 46. Southeast winds up to 10 mph.
.THURSDAY...Showers likely. Highs 47 to 52. Southeast winds up to
10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 38 to 43. Northeast winds up to 10 mph.
.FRIDAY...Not as cool. Mostly sunny. Highs 55 to 61. North winds
5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 40 to 45. Variable less than
5 mph.
.SATURDAY...Mostly sunny. Highs 57 to 63. Variable less than
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows 41 to 46. Variable less than
5 mph.
...Central Valley and Delta
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
47 to 52. Southeast winds up to 10 mph.
.THURSDAY...Showers likely. Highs 55 to 60. Southeast winds 5 to
15 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 42 to 47. North winds up to
10 mph.
.FRIDAY...Mostly sunny. Highs 59 to 64. Northwest winds 5 to
10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 41 to 46. Variable less than
5 mph.
.SATURDAY...Mostly sunny. Highs 60 to 65. Variable less than
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows 41 to 46. Variable less than
5 mph.
$$