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

26°F

-3°C

Humidity 98%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Jan 12:52 AM PST
Extended Forecast for

8 Miles NW Cave Junction OR

Air Stagnation Advisory January 19, 01:57am until January 21, 04:00pm
Freezing Fog Advisory January 19, 01:57am until January 19, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Freezing Fog Advisory
  •  
    Air Stagnation Advisory January 19, 01:57am until January 21, 04:00pm
    Freezing Fog Advisory January 19, 01:57am until January 19, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 46 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 55. East wind around 6 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Southeast wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Southeast wind 3 to 7 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 46. Calm wind.
M.L.King Day
Sunny, with a high near 55. East wind around 6 mph.
Monday Night
Mostly clear, with a low around 50. Southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 55. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 47. Southeast wind 3 to 7 mph.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 45.
Saturday Night
A slight chance of rain and snow. Snow level 4700 feet. Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Snow level 4600 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cave Junction OR
 42.24°N 123.75°W (Elev. 4163 ft)
12:41 am PST Jan 19, 2026
1am PST Jan 19, 2026-6pm PST Jan 25, 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