Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

58°F

14°C

Humidity 49%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 21 Jan 03:52 PM PST
Extended Forecast for

6 Miles N Cave Junction OR

Air Stagnation Advisory January 21, 04:48pm until January 23, 04:00pm
Freezing Fog Advisory January 21, 07:00pm until January 22, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 21, 04:48pm until January 23, 04:00pm

    NOW until 4:00pm Fri

    Air Stagnation Advisory

  • Tonight

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. East wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43. Northeast wind 5 to 8 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 29. East northeast wind around 9 mph.

    Low: 29 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Calm wind.
Thursday
Sunny, with a high near 45. Light and variable wind.
Thursday Night
Mostly clear, with a low around 31. East wind around 5 mph.
Friday
Sunny, with a high near 43. Northeast wind 5 to 8 mph.
Friday Night
Clear, with a low around 29. East northeast wind around 9 mph.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
A slight chance of showers. Snow level 5800 feet. Mostly cloudy, with a low around 36.
Wednesday
A chance of showers. Snow level 5900 feet. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Cave Junction OR
 42.25°N 123.67°W (Elev. 3409 ft)
3:41 pm PST Jan 21, 2026
4pm PST Jan 21, 2026-6pm PST Jan 28, 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