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

29°F

-2°C

Humidity 98%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 22 Jan 05:52 AM PST
Extended Forecast for

13 Miles NE Happy Camp CA

  • Today

    Today: Increasing clouds, with a high near 47. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 47 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 32. North wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 39. North northeast wind around 11 mph.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 30. East wind around 14 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 40. East wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 47. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 32. North wind 9 to 13 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 39. North northeast wind around 11 mph.
Friday Night
Clear, with a low around 30. East wind around 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 40. East wind 13 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
3:56 am PST Jan 22, 2026
6am 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