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

58°F

14°C

Humidity 83%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 09 Dec 04:52 PM PST
Extended Forecast for

19 Miles WNW Cave Junction OR

  • This Afternoon

    This Afternoon: Rain likely.  Mostly cloudy, with a high near 52. Calm wind.  Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely before 1am, then a chance of rain after 4am.  Mostly cloudy, with a low around 49. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 8am.  Mostly sunny, with a high near 56. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 56 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Sunny, with a high near 57. East northeast wind 3 to 6 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °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 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely. Mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 60%.
Tonight
Rain likely before 1am, then a chance of rain after 4am. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 8am. Mostly sunny, with a high near 56. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 43. Light and variable wind.
Thursday
Sunny, with a high near 57. East northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 60.
Saturday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Partly sunny, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain. Mostly cloudy, with a high near 51.
Monday Night
Rain. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles WNW Cave Junction OR
 42.26°N 124°W (Elev. 2323 ft)
3:41 pm PST Dec 9, 2025
5pm 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