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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

56°F

13°C

Humidity 79%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 20 Sep 08:52 AM PDT
Extended Forecast for

Happy Camp CA

  • Today

    Today: Sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 92 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 51. North northeast wind 3 to 7 mph.

    Low: 51 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light north northeast wind.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 93. Light and variable wind.
Tonight
Partly cloudy, with a low around 52. Light and variable wind.
Monday
Increasing clouds, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 51. North northeast wind 3 to 7 mph.
Tuesday
Sunny, with a high near 87. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
A slight chance of rain. Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 77.
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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:
4:40 am PDT Sep 20, 2026
Forecast Valid:
9am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
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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