Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

32°F

0°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 14 Jan 07:52 PM PST
Extended Forecast for

14 Miles SE Agness OR

Air Stagnation Advisory January 14, 08:21pm until January 20, 10:00am
Freezing Fog Advisory January 14, 10:00pm until January 15, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 14, 08:21pm until January 20, 10:00am

    NOW until 10:00am Tue

    Air Stagnation Advisory

  • Tonight

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. East wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. East wind around 10 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60. South southeast wind around 7 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 47. East southeast wind around 8 mph.

    Low: 47 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 49. East northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 62. East wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 49. East wind around 10 mph.
Friday
Sunny, with a high near 60. South southeast wind around 7 mph.
Friday Night
Clear, with a low around 47. East southeast wind around 8 mph.
Saturday
Sunny, with a high near 59.
Saturday Night
Clear, with a low around 45.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 43.
M.L.King Day
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Agness OR
 42.42°N 123.87°W (Elev. 2461 ft)
6:52 pm PST Jan 14, 2026
8pm PST Jan 14, 2026-6pm PST Jan 21, 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