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

54°F

12°C

Humidity 93%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 09 Dec 09:52 PM PST
Extended Forecast for

5 Miles NW Cave Junction OR

  • Tonight

    Tonight: Patchy dense fog after 1am.  Otherwise, mostly cloudy, with a low around 45. South wind around 5 mph becoming calm  after midnight.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Patchy dense fog before noon.  Otherwise, mostly sunny, with a high near 60. Light south wind.

    High: 60 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 40. Light west northwest wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 11am.  Otherwise, sunny, with a high near 56. Calm wind.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °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 59.

    High: 59 °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
Patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 45. South wind around 5 mph becoming calm after midnight.
Wednesday
Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 60. Light south wind.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 40. Light west northwest wind.
Thursday
Patchy fog before 11am. Otherwise, sunny, with a high near 56. Calm wind.
Thursday Night
Mostly clear, with a low around 40. Calm wind.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 59.
Saturday Night
A slight chance of rain after 10pm. Partly cloudy, with a low around 40.
Sunday
A chance of rain. Partly sunny, with a high near 54.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
Rain. Mostly cloudy, with a high near 52.
Monday Night
Rain. Mostly cloudy, with a low around 43.
Tuesday
Rain likely. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Cave Junction OR
 42.22°N 123.69°W (Elev. 2182 ft)
10:36 pm PST Dec 9, 2025
10pm PST Dec 9, 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