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

11 Miles NW Cave Junction OR

  • Overnight

    Overnight: A slight chance of rain between 4am and 5am.  Mostly cloudy, with a steady temperature around 50. South southwest wind around 6 mph.  Chance of precipitation is 10%.

    Low: 50 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain between 10am and 11am.  Mostly sunny, with a high near 52. West southwest wind around 6 mph.  Chance of precipitation is 20%.

    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 51. East wind around 6 mph becoming calm  in the morning.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. East wind around 8 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °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 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm.  Snow level 6900 feet. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A slight chance of rain between 4am and 5am. Mostly cloudy, with a steady temperature around 50. South southwest wind around 6 mph. Chance of precipitation is 10%.
Wednesday
A slight chance of rain between 10am and 11am. Mostly sunny, with a high near 52. West southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 43. West southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 51. East wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 42. East wind around 8 mph.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 53.
Saturday Night
A slight chance of rain after 10pm. Snow level 6900 feet. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Snow level 6900 feet. Partly sunny, with a high near 47.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43.
Monday
Rain. Mostly cloudy, with a high near 48.
Monday Night
Rain. Snow level 7600 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 43.
Tuesday
Rain likely. Snow level 6200 feet. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Cave Junction OR
 42.27°N 123.82°W (Elev. 4019 ft)
10:36 pm PST Dec 9, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

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