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

47°F

8°C

Humidity 95%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 01:52 AM PST
Extended Forecast for

17 Miles ESE Cave Junction OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. West southwest wind around 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 1pm.  Partly sunny, with a high near 49. West wind around 10 mph.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 10 percent chance of rain before 7pm.  Partly cloudy, with a low around 41. Southwest wind around 9 mph.

    Low: 41 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. West southwest wind 6 to 8 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. South southwest wind 7 to 9 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

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

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. West southwest wind around 10 mph.
Tuesday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 49. West wind around 10 mph.
Tuesday Night
A 10 percent chance of rain before 7pm. Partly cloudy, with a low around 41. Southwest wind around 9 mph.
Wednesday
Mostly sunny, with a high near 55. West southwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 39. South southwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 53.
Saturday Night
A slight chance of rain. Snow level 6800 feet. Partly cloudy, with a low around 38.
Sunday
A chance of rain. Snow level 6500 feet. Partly sunny, with a high near 46.
Sunday Night
A chance of rain. Snow level 6900 feet. Mostly cloudy, with a low around 39.
Monday
Rain likely. Snow level 7600 feet. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Cave Junction OR
 42.05°N 123.37°W (Elev. 4573 ft)
2:21 am PST Dec 9, 2025
2am PST Dec 9, 2025-6pm PST Dec 15, 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