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

3 Miles SE Illinois Valley OR

Air Stagnation Advisory January 22, 06:58am until January 23, 04:00pm
Freezing Fog Advisory January 22, 06:58am until January 22, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 22, 06:58am until January 23, 04:00pm
    Freezing Fog Advisory January 22, 06:58am until January 22, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 54 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Light northeast wind.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48. North northeast wind 3 to 6 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 24. East northeast wind 3 to 5 mph.

    Low: 24 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Sunday Night

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

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 54. Light and variable wind.
Tonight
Mostly clear, with a low around 30. Light northeast wind.
Friday
Sunny, with a high near 48. North northeast wind 3 to 6 mph.
Friday Night
Clear, with a low around 24. East northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 50. Northeast wind around 6 mph.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A slight chance of rain. Partly sunny, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 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