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

44°F

7°C

Humidity 72%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 19 Feb 02:52 PM PST
Extended Forecast for

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 chance of rain showers before 4pm, then a slight chance of rain and snow showers between 4pm and 5pm, then a slight chance of rain showers after 5pm. Snow level 2100 feet. Mostly sunny, with a high near 42. Northwest wind around 6 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow showers before 2am, then a chance of snow showers between 2am and 3am, then a chance of rain and snow showers after 3am. Snow level 1600 feet. Mostly cloudy, with a low around 30. Light northeast wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow showers before 10am, then a chance of rain showers. Snow level 2000 feet rising to 4000 feet in the afternoon. Partly sunny, with a high near 50. Southeast wind 9 to 13 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 10pm. Snow level 4200 feet. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Showers. High near 48. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Cloudy, with a low around 41.

    Low: 41 °F

    Showers

  • Monday

    Monday: Showers. Cloudy, with a high near 50.

    High: 50 °F

    Showers

Detailed Forecast

This Afternoon
A chance of rain showers before 4pm, then a slight chance of rain and snow showers between 4pm and 5pm, then a slight chance of rain showers after 5pm. Snow level 2100 feet. Mostly sunny, with a high near 42. Northwest wind around 6 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 16. Calm wind.
Friday
Partly sunny, with a high near 42. Calm wind.
Friday Night
A chance of rain and snow showers before 2am, then a chance of snow showers between 2am and 3am, then a chance of rain and snow showers after 3am. Snow level 1600 feet. Mostly cloudy, with a low around 30. Light northeast wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A chance of rain and snow showers before 10am, then a chance of rain showers. Snow level 2000 feet rising to 4000 feet in the afternoon. Partly sunny, with a high near 50. Southeast wind 9 to 13 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
Showers, mainly after 10pm. Snow level 4200 feet. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. High near 48. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Showers. Cloudy, with a low around 41.
Monday
Showers. Cloudy, with a high near 50.
Monday Night
Showers. Cloudy, with a low around 38.
Tuesday
Showers. Mostly cloudy, with a high near 49.
Tuesday Night
Showers likely. Snow level 4800 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 33.
Wednesday
A chance of showers. Snow level 3600 feet rising to 4700 feet in the afternoon. Partly sunny, with a high near 52.
Wednesday Night
A chance of showers. Snow level 4600 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 33.
Thursday
A chance of showers. Snow level 4000 feet rising to 4900 feet in the afternoon. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.81°N 123.36°W (Elev. 1299 ft)
Last Update:
2:28 pm PST Feb 19, 2026
Forecast Valid:
3pm 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