Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

25°F

-4°C

Humidity 97%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 05:52 AM PST
Extended Forecast for

11 Miles WSW Wilderville OR

Air Stagnation Advisory January 20, 07:00am until January 21, 04:00pm
Freezing Fog Advisory January 20, 07:00am until January 20, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 20, 07:00am until January 21, 04:00pm
    Freezing Fog Advisory January 20, 07:00am until January 20, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51. Southeast wind around 5 mph becoming calm  in the morning.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind around 6 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 47. North wind around 7 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 55. Calm wind.
Tonight
Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.
Wednesday
Mostly cloudy, with a high near 51. Southeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind around 6 mph.
Thursday
Sunny, with a high near 47. North wind around 7 mph.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Snow level 5100 feet. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain and snow. Snow level 5500 feet. Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Wilderville OR
 42.34°N 123.66°W (Elev. 4183 ft)
3:41 am PST Jan 20, 2026
7am PST Jan 20, 2026-6pm PST Jan 26, 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