Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
105
FNUS56 KSTO 070923
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
122 AM PST Sun Dec 7 2025
.DISCUSSION...
Dry weather, seasonable temperatures, and patchy morning fog
expected over the next several days as high pressure remains in
control. Generally light and terrain driven winds are anticipated.
CAZ213-080100-
Eastern Portion of Shasta-Trinity NF-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy. At lower elevations, widespread fog in the
morning.
* Max Temperature........55-60 lower elevations...except 48-56
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........61-72 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 7 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........1500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........42-47 lower elevations...except 32-42
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........81-96 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph.
* Ridges/Upr Slopes....North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........62-67 lower elevations...except 52-60
higher elevations.
* Min Humidity...........57-72 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....North winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........2200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ214-080100-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........50-55.
* 24 HR Trend..........Little change.
* Min Humidity...........59-68 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2400 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........28-33.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent lower elevations...except
83-98 percent high elevations.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly sunny until late afternoon then
becoming partly cloudy.
* Max Temperature........52-57.
* Min Humidity...........51-66 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* Mixing Height..........2000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ215-080100-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy. Widespread dense fog in the
morning.
* Max Temperature........52-57.
* 24 HR Trend..........Little change.
* Min Humidity...........73-88 percent.
* 24 HR Trend..........6 percent up.
* 20-Foot Winds..........Northwest winds up to 6 mph in the morning
becoming variable less than 5 mph.
* CWR....................0 percent.
* Mixing Height..........1200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........40-45.
* 24 HR Trend..........Little change.
* Max Humidity...........94-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Partly cloudy then becoming mostly sunny
in the late morning and early afternoon then becoming partly
cloudy.
* Max Temperature........61-66.
* Min Humidity...........63-78 percent.
* 20-Foot Winds..........Northeast winds up to 7 mph.
* Mixing Height..........1400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ216-080100-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy. Widespread dense fog in the
morning.
* Max Temperature........50-55.
* 24 HR Trend..........Little change.
* Min Humidity...........78-93 percent.
* 24 HR Trend..........7 percent up.
* 20-Foot Winds..........Northeast winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........1100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........40-45.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
partly cloudy late in the afternoon.
* Max Temperature........55-61.
* Min Humidity...........65-80 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
southeast up to 6 mph in the afternoon.
* Mixing Height..........1100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ217-080100-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy. Widespread dense fog in the
morning.
* Max Temperature........51-56.
* 24 HR Trend..........Little change.
* Min Humidity...........84-91 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........Southeast winds up to 6 mph shifting to
the northwest in the afternoon.
* CWR....................0 percent.
* Mixing Height..........1200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy in the evening then becoming
mostly cloudy.
* Min Temperature........40-45.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
early in the afternoon then becoming mostly sunny.
* Max Temperature........53-58.
* Min Humidity...........68-83 percent.
* 20-Foot Winds..........North winds up to 6 mph shifting to the
southeast in the afternoon.
* Mixing Height..........1200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ218-080100-
Carquinez Strait and Delta-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy. Widespread dense fog in the
morning.
* Max Temperature........52-57.
* 24 HR Trend..........Little change.
* Min Humidity...........79-89 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........East winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........1100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy in the evening then becoming
mostly cloudy.
* Min Temperature........40-45.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
early in the afternoon then becoming mostly sunny.
* Max Temperature........54-59.
* Min Humidity...........75-90 percent.
* 20-Foot Winds..........North winds up to 5 mph.
* Mixing Height..........1100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ219-080100-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy. Widespread dense fog in the
morning.
* Max Temperature........53-58.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........73-88 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 6 mph shifting to
the northwest in the afternoon.
* CWR....................0 percent.
* Mixing Height..........1200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........40-45.
* 24 HR Trend..........Little change.
* Max Humidity...........95-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
early in the afternoon then becoming mostly sunny.
* Max Temperature........53-58.
* Min Humidity...........65-80 percent.
* 20-Foot Winds..........Southeast winds up to 6 mph shifting to
the northwest up to 7 mph in the afternoon.
* Mixing Height..........1100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ263-279-080100-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Partly cloudy. At lower elevations,
widespread dense fog in the morning.
* Max Temperature........56-61 lower elevations...except 49-57
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........56-68 percent.
* 24 HR Trend..........8 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........1300 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........40-47.
* 24 HR Trend..........Little change.
* Max Humidity...........74-88 percent lower elevations...except
60-71 percent high elevations.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 9 mph.
* Ridges/Upr Slopes....West winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........63-68 lower elevations...except 52-60
higher elevations.
* Min Humidity...........54-69 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........2000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ266-080100-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy. At lower elevations, widespread dense fog in the
morning.
* Max Temperature........54-59.
* 24 HR Trend..........Little change.
* Min Humidity...........67-82 percent lower elevations...except
58-68 percent high elevations.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........1100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........42-47.
* 24 HR Trend..........Little change.
* Max Humidity...........71-86 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming
northeast up to 8 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.
.MONDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........59-64.
* Min Humidity...........56-71 percent.
* 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.
* Mixing Height..........1500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ220-267-080100-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy. Widespread dense fog in the morning.
* Max Temperature........55-60.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........72-86 percent lower elevations...except
57-71 percent high elevations.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........1100 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........40-45.
* 24 HR Trend..........Little change.
* Max Humidity...........86-98 percent lower elevations...except
69-84 percent high elevations.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........56-62.
* Min Humidity...........58-73 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* Mixing Height..........1300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ268-080100-
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 Sun Dec 7 2025
.TODAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........51-56 lower elevations...except 45-52
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........53-64 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........1800 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........32-42 lower elevations...except 30-37
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........70-85 percent...except 95-100 percent in
the high mountain valleys.
* 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..........300 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........53-58 lower elevations...except 48-54
higher elevations.
* Min Humidity...........48-63 percent.
* 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.
* Mixing Height..........2100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ221-269-080100-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
122 AM PST Sun Dec 7 2025
.TODAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........58-63 lower elevations...except 47-57
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........42-54 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........1600 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........41-47 lower elevations...except 30-40
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........52-67 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph.
* Ridges/Upr Slopes....East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.MONDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........59-64 lower elevations...except 50-58
higher elevations.
* Min Humidity...........39-54 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....East winds up to 7 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........2000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.MONDAY NIGHT...Mostly clear. Lows 36 to 46. Northwest winds up
to 10 mph.
.TUESDAY...Partly cloudy with a slight chance of showers. Highs
53 to 61. West winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows 39 to 49. West winds 5 to 15 mph.
.WEDNESDAY...Partly cloudy with a slight chance of showers. Highs
54 to 62. Northwest winds up to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 38 to 48. Northwest winds up to 10 mph.
.THURSDAY...Mostly sunny. Highs 57 to 66. North winds up to
10 mph.
.THURSDAY NIGHT...Clear. Lows 37 to 47. North winds up to 10 mph.
...Northern Sierra and Lassen Park
.MONDAY NIGHT...Mostly clear. Lows 36 to 46. Northeast winds up
to 10 mph.
.TUESDAY...Mostly sunny. Highs 57 to 66. Northwest winds up to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 39 to 49. Northeast winds up
to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 58 to 67. Variable less than
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 38 to 48. Variable less
than 5 mph.
.THURSDAY...Mostly sunny. Highs 60 to 69. Variable less than
5 mph.
.THURSDAY NIGHT...Clear. Lows 37 to 47. Northeast winds up to
10 mph.
...Sierra Nevada Foothills
.MONDAY NIGHT...Mostly clear. Lows 42 to 47. Variable less than
5 mph.
.TUESDAY...Mostly sunny. Highs 59 to 64. Northwest winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 44 to 50. Variable less than
5 mph.
.WEDNESDAY...Mostly sunny. Highs 61 to 66. Variable less than
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 44 to 50. Variable less
than 5 mph.
.THURSDAY...Mostly sunny. Highs 61 to 69. Variable less than
5 mph.
.THURSDAY NIGHT...Clear. Lows 44 to 49. Variable less than 5 mph.
...Central Valley and Delta
.MONDAY NIGHT...Partly cloudy. Lows 41 to 46. Variable less than
5 mph.
.TUESDAY...Mostly cloudy. Highs 56 to 61. Variable less than
5 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows 44 to 49. Variable less than
5 mph.
.WEDNESDAY...Mostly cloudy. Highs 58 to 63. Variable less than
5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 49. Variable less
than 5 mph.
.THURSDAY...Partly cloudy. Highs 58 to 68. Variable less than
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows 44 to 49. Variable less than
5 mph.
$$