Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 74%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 22 Jan 04:52 PM PST
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Tonight

    Tonight: Partly cloudy, with a low around 36. North northeast wind around 9 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. Northeast wind around 10 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 30. East northeast wind around 10 mph.

    Low: 30 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 43. East wind 9 to 11 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Southeast wind around 10 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. North northeast wind around 9 mph.
Friday
Sunny, with a high near 42. Northeast wind around 10 mph.
Friday Night
Clear, with a low around 30. East northeast wind around 10 mph.
Saturday
Sunny, with a high near 43. East wind 9 to 11 mph.
Saturday Night
Mostly clear, with a low around 31. Southeast wind around 10 mph.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A slight chance of rain after 4pm. Partly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow. Snow level 5500 feet. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a high near 42.
Wednesday Night
A chance of rain. Snow level 5900 feet. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Snow level 5800 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.95°N 123.31°W (Elev. 4911 ft)
3:41 pm PST Jan 22, 2026
5pm PST Jan 22, 2026-6pm PST Jan 29, 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