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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

41°F

5°C

Humidity 90%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 16 Jan 11:52 AM PST
Extended Forecast for

7 Miles SW Illinois Valley OR

Air Stagnation Advisory January 16, 12:26pm until January 20, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 16, 12:26pm until January 20, 10:00am

    NOW until 10:00am Tue

    Air Stagnation Advisory

  • This Afternoon

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. Northeast wind around 7 mph.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 52. East wind 3 to 7 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. East southeast wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Light east wind.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 50. Northeast wind around 6 mph.
Tonight
Clear, with a low around 38. Northeast wind around 7 mph.
Saturday
Sunny, with a high near 52. East wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 40. East southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 56. Light east wind.
Sunday Night
Mostly clear, with a low around 36.
M.L.King Day
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
A slight chance of rain. Snow level 5100 feet. Partly cloudy, with a low around 38.
Thursday
A chance of rain. Snow level 4700 feet. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Illinois Valley OR
 42.03°N 123.78°W (Elev. 2428 ft)
Last Update:
11:41 am PST Jan 16, 2026
Forecast Valid:
12pm PST Jan 16, 2026-6pm PST Jan 22, 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