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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

27°F

-3°C

Humidity 97%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 16 Jan 08:52 AM PST
Extended Forecast for

Illinois Valley OR

Air Stagnation Advisory January 16, 09:21am until January 20, 10:00am
Freezing Fog Advisory January 16, 09:21am until January 16, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 16, 09:21am until January 20, 10:00am
    Freezing Fog Advisory January 16, 09:21am until January 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 56 °F

    Dense
    Freezing Fog
    and Dense Fog
    then Sunny

  • Tonight

    Tonight: Widespread dense fog. Otherwise, clear, with a low around 33. Calm wind.

    Low: 33 °F

    Dense Fog

  • Saturday

    Saturday: Widespread fog before noon. Otherwise, sunny, with a high near 50. Calm wind.

    High: 50 °F

    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

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

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Today
Widespread dense fog before noon. Widespread dense freezing fog before noon. Otherwise, sunny, with a high near 56. Light northeast wind.
Tonight
Widespread dense fog. Otherwise, clear, with a low around 33. Calm wind.
Saturday
Widespread fog before noon. Otherwise, sunny, with a high near 50. Calm wind.
Saturday Night
Partly cloudy, with a low around 37. Calm wind.
Sunday
Mostly sunny, with a high near 58. Calm wind.
Sunday Night
Mostly clear, with a low around 34.
M.L.King Day
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Thursday
A slight chance of rain. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
Last Update:
3:41 am PST Jan 16, 2026
Forecast Valid:
9am 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