Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
643
FNUS56 KSTO 092033
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
133 PM PDT Thu Oct 9 2025
.DISCUSSION...
A weak system will bring cooler temperatures and light rain north
of I-80 today through Saturday, with a 15-20% chance of isolated
mountain thunderstorms. Drier weather expected on Sunday, before a
colder and wetter system arrives Monday bringing widespread
wetting rain, mountain snow, and additional thunderstorm chances.
Uncertainty persists regarding timing and amounts, but snow levels
generally expected above 5500 feet.
CAZ213-102045-
Eastern Portion of Shasta-Trinity NF-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Mostly cloudy. A chance of showers and a
slight chance of thunderstorms in the evening, then showers
likely after midnight.
* Min Temperature........50-55 lower elevations...except 40-48
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........93-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming south up
to 8 mph after midnight.
* Ridges/Upr Slopes....South winds 4 to 9 mph.
* CWR....................30 percent.
* Mixing Height..........900 ft AGL.
* Chance of thunder......14 percent.
.FRIDAY...
* Sky/Weather............A chance of showers in the morning, then
showers likely in the afternoon.
* Max Temperature........59-64 lower elevations...except 49-59
higher elevations.
* 24 HR Trend..........4 degrees cooler.
* Min Humidity...........72-87 percent.
* 24 HR Trend..........6 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 7 to 13 mph with local gusts up
to 25 mph.
* Ridges/Upr Slopes....South winds 7 to 13 mph.
* CWR....................40 percent.
* Mixing Height..........2700 ft AGL.
* Chance of thunder......8 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy. Rain showers in the
evening, then a chance of rain showers after midnight.
* Min Temperature........44-49 lower elevations...except 36-44
higher elevations.
* Max Humidity...........78-93 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Southwest winds up to 8 mph with local gusts
up to 20 mph in the evening becoming variable up to 5 mph.
* Mixing Height..........700 ft AGL.
* CWR....................30 percent.
* Chance of thunder......6 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy with a chance of rain
showers in the morning, then partly cloudy with a slight chance
of rain showers in the afternoon.
* Max Temperature........61-66 lower elevations...except 49-59
higher elevations.
* Min Humidity...........56-71 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming west up
to 7 mph in the afternoon.
* Mixing Height..........5200 ft AGL.
* CWR....................10 percent.
* Chance of thunder......11 percent.
$$
CAZ214-102045-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Partly cloudy in the evening, then mostly
cloudy with a chance of showers after midnight.
* Min Temperature........39-44.
* 24 HR Trend..........Little change.
* Max Humidity...........87-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 8 mph.
* Ridges/Upr Slopes....South winds 4 to 10 mph with local gusts up
to 20 mph shifting to the southeast 5 to 11 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........800 ft AGL.
* Chance of thunder......6 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy. A chance of showers in the
morning, then showers in the afternoon.
* Max Temperature........59-64 lower elevations...except 54-59
higher elevations.
* 24 HR Trend..........6 degrees cooler.
* Min Humidity...........48-61 percent.
* 24 HR Trend..........6 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 7 to 13 mph with local gusts
up to 30 mph.
* Ridges/Upr Slopes....Southwest winds 7 to 13 mph with local gusts
up to 30 mph.
* CWR....................10 percent.
* Mixing Height..........5200 ft AGL.
* Chance of thunder......5 percent.
.FRIDAY NIGHT...
* Sky/Weather............Rain showers.
* Min Temperature........35-40.
* Max Humidity...........92-100 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 5 to 11 mph with local gusts up
to 25 mph in the evening becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Southwest winds 4 to 10 mph with local gusts
up to 25 mph.
* Mixing Height..........1100 ft AGL.
* CWR....................30 percent.
* Chance of thunder......8 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy. A chance of rain showers
until late afternoon, then a chance of rain showers and a slight
chance of thunderstorms late in the afternoon.
* Max Temperature........53-58 lower elevations...except 46-52
higher elevations.
* Min Humidity...........58-73 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..........5300 ft AGL.
* CWR....................10 percent.
* Chance of thunder......15 percent.
$$
CAZ215-102045-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Mostly cloudy. A slight chance of showers
in the evening, then a chance of showers after midnight.
* Min Temperature........52-57.
* 24 HR Trend..........Little change.
* Max Humidity...........89-94 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........South winds 5 to 11 mph with local gusts
up to 25 mph.
* CWR....................10 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......8 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy. A chance of showers in the
morning, then showers likely in the afternoon.
* Max Temperature........66-71.
* 24 HR Trend..........Little change.
* Min Humidity...........54-60 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........South winds 8 to 14 mph with local gusts
up to 30 mph.
* CWR....................10 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......6 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy. Showers likely in the
evening, then a chance of showers after midnight.
* Min Temperature........46-51.
* Max Humidity...........79-94 percent.
* 20-Foot Winds..........North winds 4 to 9 mph. Local gusts up to
25 mph in the evening.
* Mixing Height..........700 ft AGL.
* CWR....................10 percent.
* Chance of thunder......5 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing. A slight chance of showers.
* Max Temperature........66-71.
* Min Humidity...........44-57 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* Mixing Height..........6500 ft AGL.
* CWR....................10 percent.
* Chance of thunder......8 percent.
$$
CAZ216-102045-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Partly cloudy in the evening then becoming
mostly cloudy.
* Min Temperature........50-55.
* 24 HR Trend..........Little change.
* Max Humidity...........86-97 percent.
* 24 HR Trend..........6 percent down.
* 20-Foot Winds..........South winds 5 to 11 mph with local gusts
up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......1 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning, then partly
cloudy with a chance of showers in the afternoon.
* Max Temperature........69-74.
* 24 HR Trend..........Little change.
* Min Humidity...........47-61 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........South winds 8 to 14 mph with local gusts
up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........4500 ft AGL.
* Chance of thunder......2 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy with a chance of showers.
* Min Temperature........47-52.
* Max Humidity...........79-94 percent.
* 20-Foot Winds..........Southwest winds 6 to 12 mph. Local gusts
up to 25 mph in the evening.
* Mixing Height..........600 ft AGL.
* CWR....................10 percent.
* Chance of thunder......4 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny then becoming partly cloudy
late in the morning then becoming mostly sunny. A slight chance
of showers in the morning.
* Max Temperature........65-70.
* Min Humidity...........47-62 percent.
* 20-Foot Winds..........Northwest winds 4 to 9 mph.
* Mixing Height..........6100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
$$
CAZ217-102045-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........50-55.
* 24 HR Trend..........Little change.
* Max Humidity...........85-95 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........South winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing.
* Max Temperature........71-76.
* 24 HR Trend..........Little change.
* Min Humidity...........45-53 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 5 to 11 mph. Local gusts
up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5100 ft AGL.
* Chance of thunder......1 percent.
.FRIDAY NIGHT...
* Sky/Weather............Partly cloudy with a slight chance of
showers.
* Min Temperature........50-55.
* Max Humidity...........74-89 percent.
* 20-Foot Winds..........Southwest winds 4 to 9 mph. Local gusts up
to 20 mph in the evening.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......2 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........67-72.
* Min Humidity...........41-56 percent.
* 20-Foot Winds..........West winds 4 to 10 mph.
* Mixing Height..........6400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
$$
CAZ218-102045-
Carquinez Strait and Delta-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........52-57.
* 24 HR Trend..........Little change.
* Max Humidity...........89-94 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 5 to 11 mph. Local gusts up to
20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........71-76.
* 24 HR Trend..........Little change.
* Min Humidity...........47-55 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........West winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........4700 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear. A slight chance of showers
in the evening.
* Min Temperature........53-58.
* Max Humidity...........78-93 percent.
* 20-Foot Winds..........West winds 6 to 12 mph.
* Mixing Height..........800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........68-73.
* Min Humidity...........51-66 percent.
* 20-Foot Winds..........West winds 7 to 13 mph with local gusts up
to 25 mph.
* Mixing Height..........6200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ219-102045-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........52-57.
* 24 HR Trend..........Little change.
* Max Humidity...........87-99 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........72-77.
* 24 HR Trend..........Little change.
* Min Humidity...........41-47 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts
up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........52-57.
* Max Humidity...........75-90 percent.
* 20-Foot Winds..........Northwest winds 6 to 12 mph. Local gusts
up to 20 mph in the evening.
* Mixing Height..........600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........67-72.
* Min Humidity...........38-53 percent.
* 20-Foot Winds..........Northwest winds 10 to 16 mph with local
gusts up to 25 mph.
* Mixing Height..........6000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ263-279-102045-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Mostly cloudy with a chance of showers.
* Min Temperature........49-54 lower elevations...except 38-46
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........78-92 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 4 to 10 mph.
* Ridges/Upr Slopes....Southwest winds 4 to 10 mph.
* CWR....................10 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......8 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy with a chance of showers in
the morning, then mostly cloudy with showers likely in the
afternoon.
* Max Temperature........61-66 lower elevations...except 46-56
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........63-78 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 6 to 12 mph.
* Ridges/Upr Slopes....South winds 7 to 13 mph.
* CWR....................20 percent.
* Mixing Height..........2900 ft AGL.
* Chance of thunder......8 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy. Showers likely in the
evening. A chance of showers after midnight. At higher
elevations, a chance of snow showers early in the morning.
* Min Temperature........46-51 lower elevations...except 37-43
higher elevations.
* Max Humidity...........75-90 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds 4 to 9 mph. Local gusts up to 20
mph in the evening.
* Ridges/Upr Slopes....West winds 4 to 9 mph.
* Mixing Height..........700 ft AGL.
* CWR....................10 percent.
* Chance of thunder......5 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly sunny. At lower elevations, a slight chance of showers. At
higher elevations, a chance of showers and snow showers in the
morning, then a slight chance of showers in the afternoon.
* Max Temperature........62-67 lower elevations...except 46-56
higher elevations.
* Min Humidity...........43-58 percent lower elevations...except
58-73 percent high elevations.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 9 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph.
* Mixing Height..........5600 ft AGL.
* CWR....................10 percent.
* Chance of thunder......3 percent.
$$
CAZ266-102045-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Partly cloudy in the evening, then mostly
cloudy with a chance of showers after midnight.
* Min Temperature........50-55.
* 24 HR Trend..........Little change.
* Max Humidity...........83-98 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 6 to 12 mph with local gusts
up to 25 mph.
* Ridges/Upr Slopes....Southeast winds 6 to 12 mph.
* CWR....................10 percent.
* Mixing Height..........1000 ft AGL.
* Chance of thunder......3 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy. A chance of showers.
* Max Temperature........64-69 lower elevations...except 59-64
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........52-62 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 9 to 15 mph with local gusts up
to 30 mph.
* Ridges/Upr Slopes....South winds 9 to 15 mph with local gusts up
to 25 mph.
* CWR....................10 percent.
* Mixing Height..........4000 ft AGL.
* Chance of thunder......3 percent.
.FRIDAY NIGHT...
* Sky/Weather............Showers.
* Min Temperature........45-51.
* Max Humidity...........82-97 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds 4 to 10 mph. Local gusts up
to 25 mph in the evening.
* Ridges/Upr Slopes....Southeast winds 4 to 9 mph. Local gusts up
to 25 mph in the evening.
* Mixing Height..........700 ft AGL.
* CWR....................20 percent.
* Chance of thunder......7 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy with a chance of showers in
the morning, then partly cloudy with a slight chance of showers
in the afternoon.
* Max Temperature........59-64 lower elevations...except 54-59
higher elevations.
* Min Humidity...........54-69 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph shifting to the west
in the afternoon.
* Ridges/Upr Slopes....East winds up to 7 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........5300 ft AGL.
* CWR....................10 percent.
* Chance of thunder......12 percent.
$$
CAZ220-267-102045-
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-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Clear in the evening then becoming partly
cloudy.
* Min Temperature........47-52.
* 24 HR Trend..........Little change.
* Max Humidity...........83-98 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
southeast up to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing.
* Max Temperature........64-71.
* 24 HR Trend..........Little change.
* Min Humidity...........43-51 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 8 mph.
* Ridges/Upr Slopes....Southwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........4500 ft AGL.
* Chance of thunder......1 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear. At higher elevations, a
slight chance of showers in the evening, then a chance of showers
after midnight. At lower elevations, a slight chance of showers
after midnight.
* Min Temperature........46-51.
* Max Humidity...........81-96 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...West winds up to 8 mph shifting to the east
up to 7 mph after midnight.
* Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening
becoming variable up to 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......3 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy with a slight chance of
showers in the morning, then mostly sunny in the afternoon.
* Max Temperature........59-65.
* Min Humidity...........46-61 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph shifting to the 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 up
to 8 mph in the afternoon.
* Mixing Height..........5500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......5 percent.
$$
CAZ268-102045-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers after midnight.
* Min Temperature........37-45.
* 24 HR Trend..........Little change.
* Max Humidity...........87-100 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 9 to 15 mph with local gusts up
to 25 mph.
* Ridges/Upr Slopes....South winds 9 to 15 mph.
* CWR....................0 percent.
* Mixing Height..........1100 ft AGL.
* Chance of thunder......1 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy with a slight chance of
showers in the morning, then partly cloudy with a chance of
showers in the afternoon.
* Max Temperature........52-59 lower elevations...except 46-53
higher elevations.
* 24 HR Trend..........5 degrees cooler.
* Min Humidity...........50-65 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 11 to 17 mph with local gusts up
to 30 mph.
* Ridges/Upr Slopes....Southwest winds 11 to 17 mph with local
gusts up to 30 mph.
* CWR....................10 percent.
* Mixing Height..........3600 ft AGL.
* Chance of thunder......3 percent.
.FRIDAY NIGHT...
* Sky/Weather............At lower elevations, a chance of showers
in the evening, then showers likely after midnight. At higher
elevations, showers in the evening, then showers likely and snow
showers after midnight.
* Min Temperature........32-42.
* Max Humidity...........81-96 percent...except 88-100 percent in
the high mountain valleys.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 7 to 13 mph with local gusts
up to 25 mph.
* Ridges/Upr Slopes....Southwest winds 7 to 13 mph with local gusts
up to 25 mph.
* Mixing Height..........1300 ft AGL.
* CWR....................30 percent.
* Chance of thunder......9 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy. At lower elevations, a
chance of showers until late afternoon, then a chance of showers
and a slight chance of thunderstorms late in the afternoon. At
higher elevations, a chance of showers and snow showers until
late afternoon, then a chance of showers, snow showers and a
slight chance of thunderstorms late in the afternoon.
* Max Temperature........47-53 lower elevations...except 40-48
higher elevations.
* Min Humidity...........62-77 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 4 to 10 mph.
* Ridges/Upr Slopes....Southwest winds 4 to 10 mph.
* Mixing Height..........4100 ft AGL.
* CWR....................20 percent.
* Chance of thunder......14 percent.
$$
CAZ221-269-102045-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
133 PM PDT Thu Oct 9 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........43-49 lower elevations...except 35-42
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........76-91 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds 7 to 13 mph.
* Ridges/Upr Slopes....South winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing.
* Max Temperature........60-67 lower elevations...except 50-60
higher elevations.
* 24 HR Trend..........4 degrees cooler.
* Min Humidity...........45-58 percent.
* 24 HR Trend..........8 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 9 to 15 mph.
* Ridges/Upr Slopes....Southwest winds 9 to 15 mph with local gusts
up to 30 mph.
* CWR....................0 percent.
* Mixing Height..........3700 ft AGL.
* Chance of thunder......1 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly clear. At lower elevations, a
slight chance of showers in the evening, then a chance of showers
after midnight. At higher elevations, a chance of showers after
midnight. A chance of showers and snow showers early in the
morning.
* Min Temperature........41-47 lower elevations...except 31-39
higher elevations.
* Max Humidity...........77-92 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds 5 to 11 mph shifting to the
southeast 4 to 9 mph after midnight.
* Ridges/Upr Slopes....Southwest winds 9 to 15 mph with local gusts
up to 30 mph.
* Mixing Height..........600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.
.SATURDAY...
* Sky/Weather............Mostly cloudy in the morning then
clearing. A slight chance of showers at lower elevations....and a
slight chance of showers and snow showers at higher elevations.
* Max Temperature........53-59 lower elevations...except 40-50
higher elevations.
* Min Humidity...........57-72 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest
4 to 9 mph in the afternoon.
* Ridges/Upr Slopes....Southwest winds 8 to 14 mph.
* Mixing Height..........5100 ft AGL.
* CWR....................10 percent.
* Chance of thunder......7 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.SATURDAY NIGHT...Mostly clear. Lows 32 to 42. Northwest winds
5 to 15 mph.
.SUNDAY...Mostly sunny. Highs 54 to 64. Northwest winds 5 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of showers.
Lows 35 to 44. Northwest winds 5 to 15 mph.
.COLUMBUS DAY...Showers likely. Highs 44 to 54. South winds 5 to
10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows
34 to 43. Southeast winds up to 10 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Highs 47 to
57. Northeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
35 to 44. Variable less than 5 mph.
...Northern Sierra and Lassen Park
.SATURDAY NIGHT...Mostly clear. Lows 31 to 41. Northeast winds up
to 10 mph.
.SUNDAY...Sunny. Highs 57 to 65. West winds 5 to 15 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 34 to 44. East winds up to 10 mph.
.COLUMBUS DAY...Mostly cloudy with a chance of showers. Highs
47 to 56. South winds 5 to 10 mph.
.MONDAY NIGHT...Showers likely. Lows 34 to 42. Variable less than
5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Highs 47 to
54. Variable less than 5 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
33 to 42. Variable less than 5 mph.
...Sierra Nevada Foothills
.SATURDAY NIGHT...Clear. Lows 42 to 47. Northeast winds up to
10 mph.
.SUNDAY...Sunny. Highs 64 to 69. Northwest winds 5 to 15 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 45 to 50. East winds up to
10 mph.
.COLUMBUS DAY...Mostly cloudy with a chance of showers. Highs
55 to 61. South winds 5 to 10 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows 44 to 49. Variable less than
5 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Highs 53 to
59. Southeast winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
43 to 49. Variable less than 5 mph.
...Central Valley and Delta
.SATURDAY NIGHT...Clear. Lows 46 to 51. Northwest winds 5 to
15 mph.
.SUNDAY...Sunny. Highs 71 to 76. Northwest winds 5 to 15 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 49 to 54. Southwest winds
5 to 15 mph.
.COLUMBUS DAY...Mostly cloudy with a chance of showers. Highs
64 to 69. South winds 5 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows 49 to 54. Southeast winds
5 to 10 mph.
.TUESDAY...Mostly cloudy with a chance of showers. Highs 61 to
66. Southeast winds 5 to 15 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
49 to 54. Variable less than 5 mph.
$$