National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

31°F

-1°C

Humidity 99%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 14 Jan 10:52 PM PST
Extended Forecast for

12 Miles W Happy Camp CA

Freezing Fog Advisory until January 15, 12:00pm
Click here for hazard details and duration
Freezing Fog Advisory
  •  
    Freezing Fog Advisory until January 15, 12:00pm

    NOW until 12:00pm Thu

    Freezing Fog Advisory

  • Tonight

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 56. East northeast wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44. Northeast wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 54. East northeast wind 6 to 8 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45. East wind around 9 mph.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 48. Northeast wind around 11 mph.
Thursday
Sunny, with a high near 56. East northeast wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Clear, with a low around 44. Northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 54. East northeast wind 6 to 8 mph.
Friday Night
Clear, with a low around 45. East wind around 9 mph.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 53.
Sunday Night
Clear, with a low around 39.
M.L.King Day
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
Last Update:
9:41 pm PST Jan 14, 2026
Forecast Valid:
11pm PST Jan 14, 2026-6pm PST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation