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Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 76%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 16 Jan 04:52 PM PST
Extended Forecast for

3 Miles SE Illinois Valley OR

Air Stagnation Advisory January 16, 06:00pm until January 20, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 16, 06:00pm until January 20, 10:00am

    NOW until 10:00am Tue

    Air Stagnation Advisory

  • Tonight

    Low: 28 °F

    Freezing Fog

  • Saturday

    Saturday: Widespread freezing fog before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 49. Calm wind.

    High: 49 °F

    Freezing Fog

  • Saturday Night

    Saturday Night: Widespread freezing fog after 7pm. Increasing clouds, with a low around 29. Calm wind.

    Low: 29 °F

    Freezing Fog

  • Sunday

    Sunday: Widespread freezing fog before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. Calm wind.

    High: 49 °F

    Freezing Fog

  • Sunday Night

    Sunday Night: Widespread freezing fog after 7pm. Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Freezing Fog

  • M.L.King Day

    M.L.King Day: Widespread freezing fog before 1pm. Sunny, with a high near 51.

    High: 51 °F

    Freezing Fog

  • Monday Night

    Monday Night: Widespread freezing fog after 7pm. Clear, with a low around 28.

    Low: 28 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 1pm. Sunny, with a high near 44.

    High: 44 °F

    Freezing Fog

Detailed Forecast

Tonight
Widespread freezing fog after 7pm. Increasing clouds, with a low around 28. Calm wind.
Saturday
Widespread freezing fog before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 49. Calm wind.
Saturday Night
Widespread freezing fog after 7pm. Increasing clouds, with a low around 29. Calm wind.
Sunday
Widespread freezing fog before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. Calm wind.
Sunday Night
Widespread freezing fog after 7pm. Mostly clear, with a low around 28. Calm wind.
M.L.King Day
Widespread freezing fog before 1pm. Sunny, with a high near 51.
Monday Night
Widespread freezing fog after 7pm. Clear, with a low around 28.
Tuesday
Widespread freezing fog before 1pm. Sunny, with a high near 44.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 33.
Thursday
Areas of fog. Otherwise, mostly sunny, with a high near 49.
Thursday Night
A slight chance of rain. Widespread fog. Snow level 5100 feet lowering to 4400 feet after midnight . Otherwise, partly cloudy, with a low around 35.
Friday
A slight chance of rain. Areas of fog. Snow level 4100 feet. Otherwise, mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
Last Update:
3:41 pm PST Jan 16, 2026
Forecast Valid:
6pm PST Jan 16, 2026-6pm PST Jan 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation