Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 99%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 22 Apr 01:52 AM PDT
Extended Forecast for

Happy Camp CA

  • Overnight

    Overnight: A slight chance of rain before 3am, then a chance of rain after 5am.  Snow level 4100 feet. Mostly cloudy, with a low around 40. Calm wind.  Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly between noon and 2pm.  Snow level 4100 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind.

    High: 72 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38. Light and variable wind.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain after 11am.  Mostly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain, mainly before 11pm.  Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Overnight
A slight chance of rain before 3am, then a chance of rain after 5am. Snow level 4100 feet. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain, mainly between noon and 2pm. Snow level 4100 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 36. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind.
Thursday Night
Clear, with a low around 38. Light and variable wind.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 41.
Saturday
A slight chance of rain after 11am. Mostly sunny, with a high near 70.
Saturday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 40.
Sunday
A chance of rain. Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Partly cloudy, with a low around 40.
Monday
A chance of rain. Partly sunny, with a high near 64.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.81°N 123.36°W (Elev. 1299 ft)
12:41 am PDT Apr 22, 2026
2am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database