Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 97%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 28 Nov 07:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Today

    Today: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 45. Southwest wind around 6 mph becoming northeast in the afternoon.

    High: 45 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. East southeast wind around 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. South wind around 6 mph becoming light and variable  in the morning.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Light north northwest wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. Northeast wind 8 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 45. Southwest wind around 6 mph becoming northeast in the afternoon.
Tonight
Partly cloudy, with a low around 37. East southeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 49. South wind around 6 mph becoming light and variable in the morning.
Saturday Night
Mostly cloudy, with a low around 37. Light north northwest wind.
Sunday
Mostly sunny, with a high near 46. Northeast wind 8 to 10 mph.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
3:40 am PST Nov 28, 2025
8am PST Nov 28, 2025-6pm PST Dec 4, 2025
 
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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