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 NE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Dec 02:52 AM PST
Extended Forecast for

14 Miles W Illinois Valley OR

  • Overnight

    Overnight: Mostly clear, with a low around 43. West wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. East wind around 5 mph becoming calm  in the morning.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a steady temperature around 50. East wind 6 to 9 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. East northeast wind 6 to 10 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. East northeast wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am.  Snow level 6800 feet. Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain, mainly between 10am and 4pm.  Snow level 7300 feet. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 43. West wind around 7 mph.
Thursday
Sunny, with a high near 54. East wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a steady temperature around 50. East wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 57. East northeast wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 45. East northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
A 10 percent chance of rain after 4am. Snow level 6800 feet. Partly cloudy, with a low around 42.
Sunday
A chance of rain, mainly between 10am and 4pm. Snow level 7300 feet. Partly sunny, with a high near 48.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 45.
Monday
Rain. Cloudy, with a high near 49.
Monday Night
Rain. Cloudy, with a low around 44.
Tuesday
Rain. Snow level 6600 feet. Cloudy, with a high near 47.
Tuesday Night
Rain. The rain could be heavy at times. Snow level 6000 feet. Mostly cloudy, with a low around 42.
Wednesday
Rain. Snow level 6100 feet. Mostly cloudy, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles W Illinois Valley OR
 42.14°N 123.93°W (Elev. 4121 ft)
2:21 am PST Dec 11, 2025
3am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database