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

44°F

7°C

Humidity 98%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 10 Dec 05:52 AM PST
Extended Forecast for

11 Miles ESE Illinois Valley OR

  • Today

    Today: Sunny, with a high near 52. Southeast wind 5 to 7 mph becoming calm  in the afternoon.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 46. South wind 6 to 8 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51. East southeast wind around 6 mph becoming calm  in the morning.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Southeast wind 5 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. East southeast wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 4am.  Snow level 7000 feet. Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain, mainly after 10am.  Snow level 7000 feet. Partly sunny, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 52. Southeast wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a steady temperature around 46. South wind 6 to 8 mph.
Thursday
Sunny, with a high near 51. East southeast wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 43. Southeast wind 5 to 7 mph.
Friday
Sunny, with a high near 53. East southeast wind 5 to 8 mph becoming light and variable in the afternoon.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 52.
Saturday Night
A slight chance of rain after 4am. Snow level 7000 feet. Partly cloudy, with a low around 41.
Sunday
A chance of rain, mainly after 10am. Snow level 7000 feet. Partly sunny, with a high near 46.
Sunday Night
A chance of rain. Snow level 7600 feet. Mostly cloudy, with a low around 40.
Monday
Rain. Mostly cloudy, with a high near 48.
Monday Night
Rain. Snow level 8100 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 40.
Tuesday
Rain likely. Snow level 6500 feet. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Illinois Valley OR
 42.03°N 123.48°W (Elev. 5197 ft)
3:41 am PST Dec 10, 2025
6am 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