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

27°F

-3°C

Humidity 98%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 16 Jan 05:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

Air Stagnation Advisory January 16, 06:29am until January 20, 10:00am
Freezing Fog Advisory January 16, 06:29am until January 16, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 16, 06:29am until January 20, 10:00am
    Freezing Fog Advisory January 16, 06:29am until January 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. East southeast wind around 10 mph.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 54. East wind 5 to 9 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. East southeast wind around 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. East wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

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

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 56. East wind 6 to 13 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 45. East southeast wind around 10 mph.
Saturday
Sunny, with a high near 54. East wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 41. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 55. East wind 5 to 7 mph becoming light and variable in the afternoon.
Sunday Night
Mostly clear, with a low around 37.
M.L.King Day
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A slight chance of rain. Snow level 5000 feet. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Snow level 4700 feet. Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
Last Update:
3:41 am PST Jan 16, 2026
Forecast Valid:
6am PST Jan 16, 2026-6pm PST Jan 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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