Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

49°F

9°C

Humidity 90%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 03:52 AM PST
Extended Forecast for

14 Miles ESE Cave Junction OR

  • Today

    Today: A 20 percent chance of rain after noon.  Snow level 8300 feet. Partly sunny, with a high near 46. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. South wind 5 to 10 mph becoming west in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 50. Southeast wind 5 to 10 mph becoming north in the afternoon.

    High: 50 °F

    Sunny

  • Thursday Night

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

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of rain after noon. Snow level 8300 feet. Partly sunny, with a high near 46. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 52. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 39. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 50. Southeast wind 5 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 50.
Saturday Night
A slight chance of rain. Snow level 6800 feet. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Snow level 6500 feet. Partly sunny, with a high near 44.
Sunday Night
A chance of rain. Snow level 6900 feet. Mostly cloudy, with a low around 41.
Monday
Rain likely. Snow level 7600 feet. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Cave Junction OR
 42.09°N 123.38°W (Elev. 5157 ft)
3:41 am PST Dec 9, 2025
4am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database