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

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

52°F

11°C

Humidity 46%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 15 Apr 05:52 PM PDT
Extended Forecast for

Happy Camp CA

Freeze Watch April 17, 03:00am until April 17, 09:00am
Frost Advisory April 16, 03:00am until April 16, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 32. West wind 5 to 9 mph becoming calm in the evening.

    Low: 32 °F

    Frost

  • Thursday

    Thursday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming northeast 5 to 9 mph in the afternoon.

    High: 58 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 2am. Otherwise, clear, with a low around 31. North northeast wind 3 to 8 mph.

    Low: 31 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 69. Light east northeast wind.

    High: 69 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 32. West wind 5 to 9 mph becoming calm in the evening.
Thursday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming northeast 5 to 9 mph in the afternoon.
Thursday Night
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 31. North northeast wind 3 to 8 mph.
Friday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 69. Light east northeast wind.
Friday Night
Partly cloudy, with a low around 39. Light and variable wind.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42.
Monday
Rain likely. Mostly cloudy, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Partly sunny, with a high near 62.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 62.
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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:
4:41 pm PDT Apr 15, 2026
Forecast Valid:
6pm PDT Apr 15, 2026-6pm PDT Apr 22, 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