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

17 Miles SSE Agness OR

  • Today

    Today: A chance of rain between 10am and 1pm.  Mostly sunny, with a high near 54. Southwest wind 3 to 5 mph.  Chance of precipitation is 30%.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light east wind.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. North wind 3 to 5 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. East wind around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. East wind 5 to 7 mph.

    High: 60 °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 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain.  Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
A chance of rain between 10am and 1pm. Mostly sunny, with a high near 54. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 44. Light east wind.
Thursday
Sunny, with a high near 57. North wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 44. East wind around 6 mph.
Friday
Sunny, with a high near 60. East wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 59.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Partly sunny, with a high near 52.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 47.
Monday
Rain. Mostly cloudy, with a high near 51.
Monday Night
Rain. Mostly cloudy, with a low around 47.
Tuesday
Rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 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

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Hourly Weather Forecast

National Digital Forecast Database