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

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

Continuation of gusty winds and low relative humidity will additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

37°F

3°C

Humidity 77%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Feb 05:52 PM PST
Extended Forecast for

Happy Camp CA

Winter Storm Warning February 18, 06:52pm until February 19, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 06:52pm until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Storm Warning

  • Tonight

    Low: 27 °F

    Rain/Snow
    Likely then
    Heavy Snow

  • Thursday

    Thursday: Rain and snow likely before 5pm, then a chance of rain. Snow level rising to 2000 feet in the afternoon. Partly sunny, with a high near 42. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain. Snow level rising to 2400 feet in the afternoon. Partly sunny, with a high near 44. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of rain and snow. Snow level 2200 feet. Mostly cloudy, with a low around 27. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then rain likely. Snow level 2300 feet rising to 3500 feet in the afternoon. Partly sunny, with a high near 48. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain. Snow level 3600 feet. Low around 35. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 4200 feet. Cloudy, with a high near 46.

    High: 46 °F

    Rain

Detailed Forecast

Tonight
Rain and snow likely before 10pm, then snow. The snow could be heavy at times. Low around 27. Light and variable wind. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
Rain and snow likely before 5pm, then a chance of rain. Snow level rising to 2000 feet in the afternoon. Partly sunny, with a high near 42. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of snow before 1pm, then a chance of rain. Snow level rising to 2400 feet in the afternoon. Partly sunny, with a high near 44. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 10pm, then a chance of rain and snow. Snow level 2200 feet. Mostly cloudy, with a low around 27. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A chance of rain and snow before 10am, then rain likely. Snow level 2300 feet rising to 3500 feet in the afternoon. Partly sunny, with a high near 48. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain. Snow level 3600 feet. Low around 35. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. Snow level 4200 feet. Cloudy, with a high near 46.
Sunday Night
Rain. Cloudy, with a low around 38.
Monday
Rain. Cloudy, with a high near 48.
Monday Night
Rain. Snow level 3900 feet. Cloudy, with a low around 35.
Tuesday
Rain. Snow level 3400 feet rising to 3900 feet in the afternoon. Cloudy, with a high near 48.
Tuesday Night
Rain. Snow level 3500 feet. Mostly cloudy, with a low around 33.
Wednesday
Rain likely. Snow level 3000 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 50.
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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:
6:02 pm PST Feb 18, 2026
Forecast Valid:
6pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

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