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

45°F

7°C

Humidity 69%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 23 Jan 08:52 PM PST
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Tonight

    Tonight: Clear, with a low around 29. Northeast wind 13 to 15 mph.

    Low: 29 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 43. East wind 9 to 15 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. South southeast wind 13 to 15 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 43. South wind 8 to 15 mph.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. South wind 10 to 14 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Monday Night

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

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 10pm.  Snow level 5600 feet. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Clear, with a low around 29. Northeast wind 13 to 15 mph.
Saturday
Sunny, with a high near 43. East wind 9 to 15 mph.
Saturday Night
Mostly clear, with a low around 33. South southeast wind 13 to 15 mph.
Sunday
Partly sunny, with a high near 43. South wind 8 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 34. South wind 10 to 14 mph.
Monday
Partly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
A slight chance of rain and snow after 10pm. Snow level 5600 feet. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain and snow. Snow level 5400 feet. Partly sunny, with a high near 43.
Wednesday Night
A slight chance of rain and snow. Snow level 5600 feet. Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.96°N 123.25°W (Elev. 5138 ft)
8:31 pm PST Jan 23, 2026
9pm PST Jan 23, 2026-6pm PST Jan 30, 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