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

58°F

14°C

Humidity 41%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 23 Jan 01:52 PM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

Air Stagnation Advisory January 23, 02:33pm until January 23, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 23, 02:33pm until January 23, 04:00pm

    NOW until 4:00pm Fri

    Air Stagnation Advisory

  • This Afternoon

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. East northeast wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. East northeast wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. East wind around 10 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 47. East wind 6 to 8 mph becoming south in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 46. Northeast wind around 10 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 32. East northeast wind 11 to 13 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 47. East northeast wind 9 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 37. East wind around 10 mph.
Sunday
Mostly cloudy, with a high near 47. East wind 6 to 8 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A chance of rain, mainly after 10pm. Snow level 5600 feet. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Snow level 5500 feet. Partly sunny, with a high near 47.
Wednesday Night
A chance of rain. Snow level 5600 feet. Mostly cloudy, with a low around 38.
Thursday
A slight chance of rain. Snow level 5800 feet. Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
2:21 pm PST Jan 23, 2026
2pm PST Jan 23, 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