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Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

61°F

16°C

Humidity 53%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Apr 02:52 PM PDT
Extended Forecast for

Happy Camp CA

Winter Weather Advisory April 20, 03:32pm until April 21, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 20, 03:32pm until April 21, 11:00am

    NOW until 11:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 59 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 43. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 59. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm. Low around 40. Southwest wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 57. West wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Snow level 5200 feet lowering to 4100 feet after midnight . Partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

This Afternoon
Rain. High near 59. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 4am. Low around 43. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 59. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain, mainly before 11pm. Low around 40. Southwest wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 57. West wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 5200 feet lowering to 4100 feet after midnight . Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 70.
Thursday Night
Clear, with a low around 39.
Friday
Sunny, with a high near 77.
Friday Night
Clear, with a low around 43.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 43.
Sunday
A slight chance of rain. Mostly sunny, with a high near 73.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Monday
A chance of rain. Mostly sunny, with a high near 72.
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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:
2:38 pm PDT Apr 20, 2026
Forecast Valid:
3pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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