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 >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

30°F

-1°C

Humidity 99%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 14 Jan 11:52 PM PST
Extended Forecast for

17 Miles NE 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

  • Overnight

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Southeast wind 8 to 10 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. Southeast wind around 9 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 61. South southeast wind 3 to 7 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50. Southeast wind around 10 mph.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 53. East southeast wind around 6 mph.
Thursday
Sunny, with a high near 65. Southeast wind 8 to 10 mph.
Thursday Night
Clear, with a low around 50. Southeast wind around 9 mph.
Friday
Sunny, with a high near 61. South southeast wind 3 to 7 mph.
Friday Night
Clear, with a low around 50. Southeast wind around 10 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 42.
M.L.King Day
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NE Happy Camp CA
 41.98°N 123.14°W (Elev. 4600 ft)
9:41 pm PST Jan 14, 2026
12am PST Jan 15, 2026-6pm PST Jan 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database