Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 98%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 10 Dec 08:52 AM PST
Extended Forecast for

7 Miles W Illinois Valley OR

  • Today

    Today: Mostly sunny, with a high near 54. West southwest wind around 6 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. East northeast wind around 5 mph becoming calm  in the morning.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. East northeast wind around 7 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. East wind 3 to 8 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain.  Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 54. West southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 41. Southwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 55. East northeast wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 42. East northeast wind around 7 mph.
Friday
Sunny, with a high near 57. East wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 57.
Saturday Night
A slight chance of rain after 10pm. Partly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 50.
Sunday Night
Rain likely, mainly after 4am. The rain could be heavy at times. Mostly cloudy, with a low around 44.
Monday
Rain. The rain could be heavy at times. Mostly cloudy, with a high near 49.
Monday Night
Rain. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Snow level 6300 feet. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Illinois Valley OR
 42.09°N 123.83°W (Elev. 3278 ft)
3:41 am PST Dec 10, 2025
9am PST Dec 10, 2025-6pm PST Dec 16, 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