National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

28°F

-2°C

Humidity 98%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 16 Jan 09:52 PM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

Air Stagnation Advisory January 16, 10:54pm until January 20, 10:00am
Freezing Fog Advisory until January 17, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 16, 10:54pm until January 20, 10:00am
    Freezing Fog Advisory until January 17, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. East southeast wind around 6 mph becoming light and variable in the morning.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. South southeast wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. South southeast wind around 5 mph becoming light and variable.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. East northeast wind 10 to 14 mph.

    Low: 49 °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: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 51. East southeast wind 6 to 9 mph.
Saturday
Sunny, with a high near 57. East southeast wind around 6 mph becoming light and variable in the morning.
Saturday Night
Partly cloudy, with a low around 50. South southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 56. South southeast wind around 5 mph becoming light and variable.
Sunday Night
Mostly clear, with a low around 49. East northeast wind 10 to 14 mph.
M.L.King Day
Sunny, with a high near 57.
Monday Night
Clear, with a low around 50.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
A slight chance of rain and snow. Snow level 4600 feet. Partly cloudy, with a low around 36.
Friday
A slight chance of snow. Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
Last Update:
10:16 pm PST Jan 16, 2026
Forecast Valid:
10pm PST Jan 16, 2026-6pm PST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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