Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

37°F

3°C

Humidity 89%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 27 Dec 07:52 PM PST
Extended Forecast for

12 Miles ESE Cave Junction OR

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 32. East northeast wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. East wind around 6 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a steady temperature around 39. East southeast wind 9 to 11 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 46. Northeast wind 6 to 10 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. East southeast wind 8 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 10pm.  Snow level 6400 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 32. East northeast wind around 6 mph.
Sunday
Sunny, with a high near 41. East wind around 6 mph.
Sunday Night
Partly cloudy, with a steady temperature around 39. East southeast wind 9 to 11 mph.
Monday
Sunny, with a high near 46. Northeast wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 37. East southeast wind 8 to 10 mph.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A slight chance of rain after 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 38.
New Year's Day
A chance of rain. Snow level 6000 feet. Partly sunny, with a high near 43.
Thursday Night
Rain and snow likely. Snow level 5700 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 36.
Friday
Rain and snow likely. Mostly cloudy, with a high near 39.
Friday Night
A chance of snow. Mostly cloudy, with a low around 34.
Saturday
A chance of snow. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
3:41 pm PST Dec 27, 2025
8pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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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