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

13 Miles W Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 37. North wind 7 to 10 mph.

    Low: 37 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. North wind 6 to 9 mph.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Northeast wind around 17 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. North northeast wind 7 to 15 mph, with gusts as high as 18 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Northeast wind around 14 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 10am.  Snow level 8800 feet. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain.  Snow level 8100 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 37. North wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 43. North wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 29. Northeast wind around 17 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 39. North northeast wind 7 to 15 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 34. Northeast wind around 14 mph.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
A chance of rain after 10am. Snow level 8800 feet. Partly sunny, with a high near 43.
Friday Night
A chance of rain. Snow level 8100 feet. Mostly cloudy, with a low around 38.
Saturday
Rain likely. Snow level 7000 feet. Mostly cloudy, with a high near 41.
Saturday Night
A chance of rain and snow. Snow level 6400 feet. Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Snow level 6200 feet. Partly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 35.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Happy Camp CA
 41.84°N 123.61°W (Elev. 5978 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

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Hourly Weather Forecast

National Digital Forecast Database