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

53°F

12°C

Humidity 93%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 09 Dec 07:52 PM PST
Extended Forecast for

5 Miles N Cave Junction OR

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm.  Patchy dense fog after 10pm.  Otherwise, mostly cloudy, with a low around 44. South wind 3 to 6 mph.

    Low: 44 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Patchy dense fog before noon.  Otherwise, mostly sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before noon.  Otherwise, sunny, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm.  Partly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
A 20 percent chance of rain before 10pm. Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 44. South wind 3 to 6 mph.
Wednesday
Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 62. Light and variable wind.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 40. Calm wind.
Thursday
Patchy fog before noon. Otherwise, sunny, with a high near 59. Calm wind.
Thursday Night
Mostly clear, with a low around 39. Calm wind.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 62.
Saturday Night
A slight chance of rain after 10pm. Partly cloudy, with a low around 40.
Sunday
A chance of rain. Patchy fog before 11am. Otherwise, partly sunny, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
Rain. Mostly cloudy, with a high near 55.
Monday Night
Rain. Mostly cloudy, with a low around 42.
Tuesday
Rain likely. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Cave Junction OR
 42.23°N 123.66°W (Elev. 1398 ft)
3:41 pm PST Dec 9, 2025
8pm PST Dec 9, 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