Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

47°F

8°C

Humidity 97%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 11:52 PM PST
Extended Forecast for

14 Miles NW Cave Junction OR

  • Overnight

    Overnight: A 10 percent chance of rain after 4am.  Mostly cloudy, with a steady temperature around 50. South southwest wind 3 to 6 mph.

    Low: 50 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain between 10am and 11am.  Mostly sunny, with a high near 52. Southwest wind around 6 mph.

    High: 52 °F

    Slight Chance
    Rain then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. West southwest wind 3 to 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. East wind around 5 mph becoming calm  in the morning.

    High: 52 °F

    Sunny

  • Thursday Night

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

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Saturday Night

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

    Low: 42 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A 10 percent chance of rain after 4am. Mostly cloudy, with a steady temperature around 50. South southwest wind 3 to 6 mph.
Wednesday
A 20 percent chance of rain between 10am and 11am. Mostly sunny, with a high near 52. Southwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 43. West southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 52. East wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 42. East wind around 7 mph.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 54.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 48.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43.
Monday
Rain. Mostly cloudy, with a high near 48.
Monday Night
Rain. Mostly cloudy, with a low around 44.
Tuesday
Rain likely. Snow level 6100 feet. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NW Cave Junction OR
 42.29°N 123.83°W (Elev. 3757 ft)
10:36 pm PST Dec 9, 2025
12am 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