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

29°F

-2°C

Humidity 98%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 18 Jan 08:52 PM PST
Extended Forecast for

7 Miles NE Happy Camp CA

  • Tonight

    Tonight: Clear, with a low around 37. East northeast wind around 6 mph.

    Low: 37 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 58. East wind around 8 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. East northeast wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Light east southeast wind.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Light east southeast wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 37. East northeast wind around 6 mph.
M.L.King Day
Sunny, with a high near 58. East wind around 8 mph.
Monday Night
Mostly clear, with a low around 36. East northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 55. Light east southeast wind.
Tuesday Night
Partly cloudy, with a low around 36. Light east southeast wind.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 37.
Friday
A slight chance of rain. Snow level 4500 feet rising to 5100 feet in the afternoon. Mostly sunny, with a high near 53.
Friday Night
A slight chance of rain. Snow level 4800 feet. Partly cloudy, with a low around 37.
Saturday
A slight chance of rain. Snow level 4200 feet rising to 4900 feet in the afternoon. Partly sunny, with a high near 53.
Saturday Night
A slight chance of rain. Snow level 4800 feet. Mostly cloudy, with a low around 35.
Sunday
A slight chance of rain. Snow level 4500 feet rising to 5200 feet in the afternoon. Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Happy Camp CA
 41.87°N 123.26°W (Elev. 2041 ft)
6:46 pm PST Jan 18, 2026
9pm PST Jan 18, 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