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

47°F

8°C

Humidity 92%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 28 Nov 04:52 AM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a steady temperature around 41. Southwest wind 5 to 9 mph becoming light and variable  in the afternoon.

    High: 41 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Southeast wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48. South southeast wind around 6 mph becoming light and variable  in the morning.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. North wind 3 to 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. Northeast wind 9 to 11 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °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 39.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a steady temperature around 41. Southwest wind 5 to 9 mph becoming light and variable in the afternoon.
Tonight
Partly cloudy, with a low around 39. Southeast wind around 6 mph.
Saturday
Sunny, with a high near 48. South southeast wind around 6 mph becoming light and variable in the morning.
Saturday Night
Mostly cloudy, with a low around 39. North wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 46. Northeast wind 9 to 11 mph.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
3:40 am PST Nov 28, 2025
5am 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