Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

39°F

4°C

Humidity 95%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 01 Dec 06:52 PM PST
Extended Forecast for

12 Miles W Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 40. North wind around 8 mph.

    Low: 40 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. North wind 6 to 8 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Northeast wind around 14 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Northeast wind 6 to 13 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. Northeast wind 10 to 13 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain after 10am.  Partly sunny, with a high near 46.

    High: 46 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 40. North wind around 8 mph.
Tuesday
Mostly sunny, with a high near 46. North wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 32. Northeast wind around 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 42. Northeast wind 6 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 36. Northeast wind 10 to 13 mph.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 41.
Friday
A chance of rain after 10am. Partly sunny, with a high near 46.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
Rain likely. Snow level 7100 feet. Mostly cloudy, with a high near 42.
Saturday Night
A chance of rain. Snow level 6400 feet. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Snow level 6200 feet. Partly sunny, with a high near 41.
Sunday Night
A slight chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a low around 37.
Monday
A slight chance of rain and snow. Snow level 5400 feet rising to 6100 feet in the afternoon. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
3:40 pm PST Dec 1, 2025
7pm PST Dec 1, 2025-6pm PST Dec 8, 2025
 
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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