Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

34°F

1°C

Humidity 98%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 22 Jan 11:52 AM PST
Extended Forecast for

16 Miles NE Happy Camp CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. Light north wind.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 34. South wind around 6 mph becoming north after midnight.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 50. North northeast wind 7 to 10 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 37. East wind around 9 mph.

    Low: 37 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 51. East southeast wind around 10 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. Light north wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 34. South wind around 6 mph becoming north after midnight.
Friday
Sunny, with a high near 50. North northeast wind 7 to 10 mph.
Friday Night
Clear, with a low around 37. East wind around 9 mph.
Saturday
Sunny, with a high near 51. East southeast wind around 10 mph.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Snow level 5600 feet. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Snow level 5400 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NE Happy Camp CA
 41.97°N 123.17°W (Elev. 2999 ft)
9:40 am PST Jan 22, 2026
12pm PST Jan 22, 2026-6pm PST Jan 28, 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