National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

42°F

6°C

Humidity 81%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Feb 12:52 PM PST
Extended Forecast for

12 Miles NNE Happy Camp CA

Winter Storm Watch February 21, 10:00pm until February 23, 04:00am
Cold Weather Advisory February 20, 12:00am until February 20, 09:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers, mainly between 2pm and 4pm. Partly sunny, with a high near 27. North wind around 8 mph, with gusts as high as 24 mph. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 16. North wind 5 to 9 mph becoming calm after midnight.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 25. South wind 10 to 17 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers. Partly sunny, with a high near 34. Windy, with a south southeast wind 30 to 32 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Snow showers, mainly after 10pm. The snow could be heavy at times. Low around 33. Windy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 33 °F

    Heavy Snow
    and Windy

  • Sunday

    Sunday: Snow showers. The snow could be heavy at times. High near 38. Windy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 38 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow showers, becoming all rain after 1am. Snow level 6000 feet. Cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: Rain showers before 10am, then rain, possibly mixed with snow showers. Snow level 6400 feet. Cloudy, with a high near 39. Breezy.

    High: 39 °F

    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers, mainly between 2pm and 4pm. Partly sunny, with a high near 27. North wind around 8 mph, with gusts as high as 24 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Partly cloudy, with a low around 16. North wind 5 to 9 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 28. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 25. South wind 10 to 17 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow showers. Partly sunny, with a high near 34. Windy, with a south southeast wind 30 to 32 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers, mainly after 10pm. The snow could be heavy at times. Low around 33. Windy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow showers. The snow could be heavy at times. High near 38. Windy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
Rain, possibly mixed with snow showers, becoming all rain after 1am. Snow level 6000 feet. Cloudy, with a low around 37. Breezy.
Monday
Rain showers before 10am, then rain, possibly mixed with snow showers. Snow level 6400 feet. Cloudy, with a high near 39. Breezy.
Monday Night
Rain and snow showers. Snow level 6100 feet. Cloudy, with a low around 37.
Tuesday
Rain and snow showers. Snow level 5300 feet. Mostly cloudy, with a high near 38.
Tuesday Night
Snow showers likely, possibly mixed with rain. Mostly cloudy, with a low around 31.
Wednesday
A chance of snow showers. Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.96°N 123.25°W (Elev. 5138 ft)
Last Update:
1:17 pm PST Feb 19, 2026
Forecast Valid:
1pm PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation