Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

53°F

12°C

Humidity 56%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 20 Jan 03:52 PM PST
Extended Forecast for

12 Miles W Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. East northeast wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Northeast wind 5 to 7 mph becoming calm  in the afternoon.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Light north wind becoming northwest 5 to 9 mph in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. Northwest wind around 9 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. North wind around 13 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. East northeast wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 49. Northeast wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 41. Light north wind becoming northwest 5 to 9 mph in the evening.
Thursday
Sunny, with a high near 49. Northwest wind around 9 mph.
Thursday Night
Mostly clear, with a low around 35. North wind around 13 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 44.
Friday Night
Clear, with a low around 34.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Snow level 5200 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
3:41 pm PST Jan 20, 2026
4pm PST Jan 20, 2026-6pm PST Jan 27, 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