Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

25°F

-4°C

Humidity 97%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 05:52 AM PST
Extended Forecast for

5 Miles NNW Cave Junction OR

Air Stagnation Advisory January 20, 06:03am until January 21, 04:00pm
Freezing Fog Advisory January 20, 06:03am until January 20, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 20, 06:03am until January 21, 04:00pm
    Freezing Fog Advisory January 20, 06:03am until January 20, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 53 °F

    Freezing Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Widespread freezing fog after 1am. Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy
    then Freezing
    Fog

  • Wednesday

    Wednesday: Widespread freezing fog before 7am. Mostly cloudy, with a high near 53. Calm wind.

    High: 53 °F

    Freezing Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. Calm wind.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Today
Widespread freezing fog before 10am. Partly sunny, with a high near 53. Calm wind.
Tonight
Widespread freezing fog after 1am. Mostly cloudy, with a low around 35. Calm wind.
Wednesday
Widespread freezing fog before 7am. Mostly cloudy, with a high near 53. Calm wind.
Wednesday Night
Partly cloudy, with a low around 34. Calm wind.
Thursday
Sunny, with a high near 51. Calm wind.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A chance of rain. Mostly cloudy, with a high near 52.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37.
Monday
A slight chance of rain. Mostly sunny, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.69°W (Elev. 1499 ft)
3:41 am PST Jan 20, 2026
6am PST Jan 20, 2026-6pm PST Jan 26, 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