Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

27°F

-3°C

Humidity 97%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 28 Dec 11:52 PM PST
Extended Forecast for

8 Miles N Cave Junction OR

Air Stagnation Advisory until December 31, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until December 31, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Overnight

    Low: 31 °F

    Freezing Fog

  • Monday

    Monday: Widespread dense freezing fog before 11am. Mostly sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Dense
    Freezing Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Widespread fog after 10pm.  Otherwise, mostly clear, with a low around 33. North northeast wind around 6 mph.

    Low: 33 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog before noon.  Otherwise, sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Widespread fog after 10pm. Widespread freezing fog after 10pm.  Otherwise, mostly clear, with a low around 34. Light southeast wind.

    Low: 34 °F

    Freezing Fog
    and Fog

  • Wednesday

    Wednesday: Widespread fog before 11am. Widespread freezing fog before 10am.  Otherwise, partly sunny, with a high near 53.

    High: 53 °F

    Freezing Fog
    and Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 10pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • New Year's Day

    New Year's Day: A chance of rain.  Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Widespread freezing fog. Partly cloudy, with a low around 31. North northeast wind around 8 mph.
Monday
Widespread dense freezing fog before 11am. Mostly sunny, with a high near 50. Northeast wind around 6 mph.
Monday Night
Widespread fog after 10pm. Otherwise, mostly clear, with a low around 33. North northeast wind around 6 mph.
Tuesday
Widespread fog before noon. Otherwise, sunny, with a high near 54. Light and variable wind.
Tuesday Night
Widespread fog after 10pm. Widespread freezing fog after 10pm. Otherwise, mostly clear, with a low around 34. Light southeast wind.
Wednesday
Widespread fog before 11am. Widespread freezing fog before 10am. Otherwise, partly sunny, with a high near 53.
Wednesday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 37.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 48.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39.
Friday
Rain likely. Mostly cloudy, with a high near 49.
Friday Night
Rain likely. Mostly cloudy, with a low around 36.
Saturday
Rain likely. Snow level 4300 feet. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely. Snow level 4200 feet. Mostly cloudy, with a low around 37.
Sunday
Rain likely. Snow level 4300 feet. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Cave Junction OR
 42.28°N 123.64°W (Elev. 1398 ft)
9:41 pm PST Dec 28, 2025
12am PST Dec 29, 2025-6pm PST Jan 4, 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