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 NE 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 20 Jan 03:52 AM PST
Extended Forecast for

12 Miles NE Happy Camp CA

  • Today

    Today: Partly sunny, with a high near 50. Southeast wind 3 to 5 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. South southeast wind 3 to 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. South wind around 5 mph becoming calm  in the afternoon.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. West northwest wind around 7 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 45. Northwest wind around 7 mph.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. Southeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 46. South southeast wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 49. South wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 41. West northwest wind around 7 mph.
Thursday
Sunny, with a high near 45. Northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 43.
Sunday Night
A slight chance of rain and snow. Snow level 5700 feet. Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Happy Camp CA
 41.92°N 123.21°W (Elev. 5666 ft)
3:41 am PST Jan 20, 2026
4am 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