Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
485
FNUS56 KSTO 030923
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
123 AM PST Wed Dec 3 2025
.DISCUSSION...
Dry conditions and cool to seasonable temperatures are expected
through this week, with patchy morning fog at times. Breezy north
to east winds continue through Wednesday into Thursday morning. A
weak system brushing by the area this weekend may bring light
showers to Shasta County, the southern Cascades and the far
northern Sierra, but only minor accumulations and impacts are
expected.
CAZ213-040100-
Eastern Portion of Shasta-Trinity NF-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........55-60 lower elevations...except 44-54
higher elevations.
* 24 HR Trend..........6 degrees cooler.
* Min Humidity...........40-49 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds 7 to 13 mph. Local gusts up to
25 mph in the morning.
* Ridges/Upr Slopes....Northeast winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........1300 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........39-44 lower elevations...except 29-39
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........54-69 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds 5 to 11 mph.
* Ridges/Upr Slopes....North winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........58-63 lower elevations...except 49-57
higher elevations.
* Min Humidity...........42-57 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 4 to 10 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ214-040100-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Partly cloudy. Widespread frost in the
morning.
* Max Temperature........46-51 lower elevations...except 41-46
higher elevations.
* 24 HR Trend..........7 degrees cooler.
* Min Humidity...........44-51 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....East winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........2200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy. Widespread frost.
* Min Temperature........23-28.
* 24 HR Trend..........Little change.
* Max Humidity...........79-89 percent lower elevations...except
60-75 percent high elevations.
* 24 HR Trend..........19 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph.
* Ridges/Upr Slopes....East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy then becoming mostly sunny
early in the afternoon then becoming partly cloudy. Widespread
frost in the morning.
* Max Temperature........47-52.
* Min Humidity...........37-52 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....East winds up to 7 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ215-040100-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........57-62.
* 24 HR Trend..........Little change.
* Min Humidity...........41-51 percent.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........North winds 7 to 13 mph with local gusts
up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........1500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........37-42.
* 24 HR Trend..........Little change.
* Max Humidity...........65-79 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........North winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........55-60.
* Min Humidity...........46-61 percent.
* 20-Foot Winds..........North winds up to 7 mph.
* Mixing Height..........1400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ216-040100-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly cloudy.
* Max Temperature........57-62.
* 24 HR Trend..........Little change.
* Min Humidity...........43-53 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........North winds 10 to 16 mph with local gusts
up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........1200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........37-42.
* 24 HR Trend..........Little change.
* Max Humidity...........72-87 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........North winds 4 to 10 mph. Local gusts up to
20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing.
* Max Temperature........55-60.
* Min Humidity...........47-62 percent.
* 20-Foot Winds..........North winds up to 7 mph.
* Mixing Height..........1300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ217-040100-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........58-63.
* 24 HR Trend..........Little change.
* Min Humidity...........42-54 percent.
* 24 HR Trend..........20 percent down.
* 20-Foot Winds..........North winds 8 to 14 mph with local gusts
up to 25 mph. West of the Sacramento River, north winds 13 to 25
mph with local gusts up to 40 mph decreasing to 11 to 17 mph with
local gusts up to 30 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........1200 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy dense fog after
midnight.
* Min Temperature........37-42.
* 24 HR Trend..........Little change.
* Max Humidity...........78-93 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........Northeast winds 4 to 10 mph. Local gusts
up to 20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
mostly sunny.
* Max Temperature........54-59.
* Min Humidity...........50-65 percent.
* 20-Foot Winds..........North winds up to 8 mph.
* Mixing Height..........1300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ218-040100-
Carquinez Strait and Delta-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........58-63.
* 24 HR Trend..........Little change.
* Min Humidity...........40-52 percent.
* 24 HR Trend..........23 percent down.
* 20-Foot Winds..........North winds 12 to 18 mph. Local gusts up
to 45 mph decreasing to 30 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........1600 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy. Patchy dense fog after midnight.
* Min Temperature........37-42.
* 24 HR Trend..........Little change.
* Max Humidity...........84-93 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
early in the afternoon then becoming mostly sunny.
* Max Temperature........53-58.
* Min Humidity...........62-77 percent.
* 20-Foot Winds..........Northeast winds up to 8 mph.
* Mixing Height..........1200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ219-040100-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly cloudy. Areas of fog in the
morning.
* Max Temperature........52-57.
* 24 HR Trend..........Little change.
* Min Humidity...........57-72 percent.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........Northwest winds 7 to 13 mph shifting to
the east 4 to 10 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........1500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog after midnight.
* Min Temperature........38-43.
* 24 HR Trend..........Little change.
* Max Humidity...........82-96 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
early in the afternoon then becoming mostly sunny. Patchy fog in
the morning.
* Max Temperature........53-58.
* Min Humidity...........54-69 percent.
* 20-Foot Winds..........Southeast winds up to 6 mph shifting to
the northwest in the afternoon.
* Mixing Height..........1300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ263-279-040100-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........57-62 lower elevations...except 44-53
higher elevations.
* 24 HR Trend..........6 degrees cooler.
* Min Humidity...........30-39 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds 8 to 14 mph.
* Ridges/Upr Slopes....North winds 8 to 14 mph.
* CWR....................0 percent.
* Mixing Height..........1300 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........42-47 lower elevations...except 37-42
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........49-59 percent lower elevations...except
39-47 percent high elevations.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 10 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........58-63 lower elevations...except 49-55
higher elevations.
* Min Humidity...........35-50 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 7 mph.
* Ridges/Upr Slopes....Northwest winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ266-040100-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........53-58.
* 24 HR Trend..........Little change.
* Min Humidity...........38-46 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds 11 to 17 mph decreasing to up to
8 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........1300 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........38-43.
* 24 HR Trend..........Little change.
* Max Humidity...........45-59 percent.
* 24 HR Trend..........15 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 6 to 12 mph.
* Ridges/Upr Slopes....Northeast winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........53-58.
* Min Humidity...........42-57 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 5 to 11 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 10 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ220-267-040100-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Partly cloudy. At lower elevations, areas
of dense fog in the morning.
* Max Temperature........54-59.
* 24 HR Trend..........Little change.
* Min Humidity...........46-61 percent lower elevations...except
34-48 percent high elevations.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the
west up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........1300 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........36-41.
* 24 HR Trend..........Little change.
* Max Humidity...........63-78 percent lower elevations...except
49-64 percent high elevations.
* 24 HR Trend..........27 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 9 mph.
* Ridges/Upr Slopes....East winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........54-59.
* Min Humidity...........43-58 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Northeast winds up to 7 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ268-040100-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........42-49 lower elevations...except 37-43
higher elevations.
* 24 HR Trend..........9 degrees cooler.
* Min Humidity...........36-48 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 10 to 16 mph with local
gusts up to 30 mph.
* Ridges/Upr Slopes....Northeast winds 10 to 16 mph with local
gusts up to 30 mph.
* CWR....................0 percent.
* Mixing Height..........1500 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Widespread frost after
midnight.
* Min Temperature........26-36 lower elevations...except 24-31
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........48-63 percent...except 76-89 percent in
the high mountain valleys.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 8 to 14 mph with local gusts
up to 25 mph.
* Ridges/Upr Slopes....Northeast winds 7 to 13 mph with local gusts
up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny. Widespread frost early in
the morning.
* Max Temperature........45-53.
* Min Humidity...........35-50 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 5 to 11 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ221-269-040100-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
123 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........50-56 lower elevations...except 36-46
higher elevations.
* 24 HR Trend..........7 degrees cooler.
* Min Humidity...........29-42 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 10 to 16 mph with local
gusts up to 25 mph.
* Ridges/Upr Slopes....Breezy. Northeast winds 13 to 25 mph
decreasing to 9 to 15 mph in the afternoon. Local gusts up to
40 mph.
* CWR....................0 percent.
* Mixing Height..........1600 ft AGL.
* Chance of thunder......0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........34-39 lower elevations...except 22-32
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........40-55 percent.
* 24 HR Trend..........24 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 8 to 14 mph.
* Ridges/Upr Slopes....East winds 8 to 14 mph with local gusts up
to 30 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.
.THURSDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........52-57 lower elevations...except 43-51
higher elevations.
* Min Humidity...........32-47 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 10 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........1800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.THURSDAY NIGHT...Mostly clear. Lows 35 to 45. North winds up to
10 mph.
.FRIDAY...Mostly sunny. Highs 52 to 61. North winds up to 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 36 to 46. Northwest winds up to 10 mph.
.SATURDAY...Partly cloudy with a chance of showers. Highs 49 to
58. Variable less than 5 mph.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows 36 to 46. Variable less than 5 mph.
.SUNDAY...Mostly cloudy with a slight chance of showers. Highs
50 to 58. Variable less than 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 35 to 45. Variable less than
5 mph.
...Northern Sierra and Lassen Park
.THURSDAY NIGHT...Mostly clear. Lows 34 to 44. Northeast winds
5 to 15 mph.
.FRIDAY...Mostly sunny. Highs 54 to 62. Northeast winds 5 to
15 mph.
.FRIDAY NIGHT...Mostly clear. Lows 35 to 45. Variable less than
5 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Highs
51 to 61. Variable less than 5 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 36 to 46. Variable less than 5 mph.
.SUNDAY...Partly cloudy. Highs 54 to 62. Variable less than
5 mph.
.SUNDAY NIGHT...Mostly clear. Lows 35 to 45. Variable less than
5 mph.
...Sierra Nevada Foothills
.THURSDAY NIGHT...Mostly clear. Lows 39 to 45. Northeast winds up
to 10 mph.
.FRIDAY...Mostly sunny. Highs 56 to 63. Northeast winds 5 to
15 mph.
.FRIDAY NIGHT...Mostly clear. Lows 41 to 47. Variable less than
5 mph.
.SATURDAY...Mostly sunny. Highs 57 to 62. Variable less than
5 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 43 to 48. Variable less than 5 mph.
.SUNDAY...Partly cloudy. Highs 58 to 63. Variable less than
5 mph.
.SUNDAY NIGHT...Mostly clear. Lows 42 to 47. Variable less than
5 mph.
...Central Valley and Delta
.THURSDAY NIGHT...Mostly clear. Lows 39 to 44. Variable less than
5 mph.
.FRIDAY...Mostly sunny. Highs 57 to 62. North winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 41 to 46. Variable less than
5 mph.
.SATURDAY...Partly cloudy. Highs 58 to 63. Variable less than
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows 43 to 48. Variable less than
5 mph.
.SUNDAY...Mostly cloudy. Highs 60 to 65. Variable less than
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 44 to 49. Variable less than
5 mph.
$$