Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

34°F

1°C

Humidity 98%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 29 Nov 12:52 AM PST
Extended Forecast for

13 Miles NNE Happy Camp CA

  • Overnight

    Overnight: Partly cloudy, with a low around 34. South southeast wind around 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46. West wind 3 to 7 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before 1am, then a slight chance of rain after 2am.  Snow level 5400 feet rising to 6800 feet after midnight. Mostly cloudy, with a low around 34. Calm wind becoming north around 6 mph in the evening.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 41. North northeast wind around 6 mph.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. East wind 6 to 11 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. South southeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 46. West wind 3 to 7 mph.
Saturday Night
A slight chance of rain before 1am, then a slight chance of rain after 2am. Snow level 5400 feet rising to 6800 feet after midnight. Mostly cloudy, with a low around 34. Calm wind becoming north around 6 mph in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 41. North northeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 32. East wind 6 to 11 mph.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 37.
Friday
A slight chance of rain. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Happy Camp CA
 41.98°N 123.29°W (Elev. 5000 ft)
12:41 am PST Nov 29, 2025
1am PST Nov 29, 2025-6pm PST Dec 5, 2025
 
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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