Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

29°F

-2°C

Humidity 98%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 21 Jan 01:52 AM PST
Extended Forecast for

12 Miles ESE Cave Junction OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Southeast wind around 7 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. South southeast wind 5 to 8 mph becoming calm  in the morning.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Calm wind becoming southwest 5 to 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. North northwest wind around 6 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. North wind around 6 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Southeast wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 55. South southeast wind 5 to 8 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 46. Calm wind becoming southwest 5 to 7 mph.
Thursday
Sunny, with a high near 52. North northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 39. North wind around 6 mph.
Friday
Sunny, with a high near 46.
Friday Night
Clear, with a low around 36.
Saturday
Sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
2:06 am PST Jan 21, 2026
2am PST Jan 21, 2026-6pm PST Jan 27, 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