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 74%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 19 Feb 04:52 PM PST
Extended Forecast for

13 Miles NE 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

  • Tonight

    Tonight: Partly cloudy, with a low around 13. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27. South wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 23. South southeast wind 13 to 18 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers. Partly sunny, with a high near 32. Breezy, with a south southeast wind 26 to 29 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 10pm. Mostly cloudy, with a low around 31. Windy, with a south southeast wind around 32 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Snow Showers
    Likely 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 5 to 9 inches possible.

    High: 38 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow showers before 10pm, then rain, possibly mixed with snow showers. Snow level 6000 feet. Low around 36. Breezy. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 36 °F

    Rain/Snow and
    Breezy

  • Monday

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

    High: 39 °F

    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Rain and snow showers. Snow level 6100 feet. Cloudy, with a low around 35.

    Low: 35 °F

    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 13. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 27. South wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 23. South southeast wind 13 to 18 mph, with gusts as high as 30 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 32. Breezy, with a south southeast wind 26 to 29 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers likely, mainly after 10pm. Mostly cloudy, with a low around 31. Windy, with a south southeast wind around 32 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. 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 5 to 9 inches possible.
Sunday Night
Snow showers before 10pm, then rain, possibly mixed with snow showers. Snow level 6000 feet. Low around 36. Breezy. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Monday
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 35.
Tuesday
Snow showers. Mostly cloudy, with a high near 37.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 30.
Wednesday
A chance of snow showers. Partly sunny, with a high near 39.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 31.
Thursday
A chance of snow showers. Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
Last Update:
3:42 pm PST Feb 19, 2026
Forecast Valid:
5pm PST Feb 19, 2026-6pm PST Feb 26, 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