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

33°F

1°C

Humidity 96%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 22 Jan 06:52 PM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

Air Stagnation Advisory January 22, 07:28pm until January 23, 04:00pm
Freezing Fog Advisory January 22, 07:28pm until January 23, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 22, 07:28pm until January 23, 04:00pm
    Freezing Fog Advisory January 22, 07:28pm until January 23, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47. Northeast wind around 16 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 39. East northeast wind 18 to 21 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 50. Breezy, with an east northeast wind 18 to 26 mph, with gusts as high as 40 mph.

    High: 50 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. East wind around 16 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Northeast wind around 14 mph.
Friday
Sunny, with a high near 47. Northeast wind around 16 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 39. East northeast wind 18 to 21 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 50. Breezy, with an east northeast wind 18 to 26 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 39. East wind around 16 mph.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain after 4pm. Snow level 5000 feet. Partly sunny, with a high near 48.
Tuesday Night
A chance of rain. Snow level 5700 feet. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Snow level 5800 feet. Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain. Snow level 6000 feet. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Snow level 6100 feet. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
3:41 pm PST Jan 22, 2026
7pm 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