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

Snow Squalls from the Upper Midwest to Great Lakes; High Winds in the Northern and Central Plains

An Arctic front will bring widespread snow squalls through Friday from the Upper Midwest to the Ohio Valley. Heavy snow rates and strong winds will lead to near-zero visibility and dangerous travel conditions. High winds will continue across the northern and central High Plains through Friday, with wind gusts above 60 mph likely, leading to hazardous travel conditions. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

28°F

-2°C

Humidity 99%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 16 Jan 02:52 AM PST
Extended Forecast for

12 Miles W Happy Camp CA

Freezing Fog Advisory January 16, 03:26am until January 16, 12:00pm
Click here for hazard details and duration
Freezing Fog Advisory
  •  
    Freezing Fog Advisory January 16, 03:26am until January 16, 12:00pm

    NOW until 12:00pm Fri

    Freezing Fog Advisory

  • Overnight

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 54. Northeast wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 40. Northeast wind around 11 mph.

    Low: 40 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Northeast wind around 7 mph becoming east southeast in the afternoon.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. East southeast wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 43. Northeast wind around 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 54. Northeast wind 10 to 14 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 40. Northeast wind around 11 mph.
Saturday
Sunny, with a high near 52. Northeast wind around 7 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 40. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 35.
M.L.King Day
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
A slight chance of rain and snow. Snow level 5300 feet. Partly cloudy, with a low around 35.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 42.
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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:
2:11 am PST Jan 16, 2026
Forecast Valid:
3am PST Jan 16, 2026-6pm PST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation