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

8 Miles WNW Illinois Valley OR

  • Today

    Today: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 46. Southwest wind around 6 mph becoming east northeast in the afternoon.

    High: 46 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. East southeast wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. West southwest wind 3 to 5 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Northeast wind around 9 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °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 46. Southwest wind around 6 mph becoming east northeast in the afternoon.
Tonight
Partly cloudy, with a low around 36. East southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 50. West southwest wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 37. Light northwest wind.
Sunday
Mostly sunny, with a high near 47. Northeast wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 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