Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

56°F

13°C

Humidity 59%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 15 Mar 07:52 PM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. North wind 6 to 8 mph becoming west northwest after midnight.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. West wind 5 to 8 mph becoming south southwest in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. West wind 5 to 10 mph becoming light northwest.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. West wind 9 to 11 mph becoming south in the morning.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. South southwest wind 9 to 14 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

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

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. North wind 6 to 8 mph becoming west northwest after midnight.
Monday
Sunny, with a high near 65. West wind 5 to 8 mph becoming south southwest in the morning.
Monday Night
Clear, with a low around 48. West wind 5 to 10 mph becoming light northwest.
Tuesday
Sunny, with a high near 65. West wind 9 to 11 mph becoming south in the morning.
Tuesday Night
Mostly clear, with a low around 47. South southwest wind 9 to 14 mph.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 65.
Friday Night
A slight chance of rain. Snow level 9200 feet lowering to 8100 feet after midnight . Partly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 55. Breezy.
Saturday Night
Mostly cloudy, with a low around 37. Breezy.
Sunday
A slight chance of rain and snow. Snow level rising to 6100 feet in the afternoon. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.96°N 123.25°W (Elev. 5138 ft)
4:41 pm PDT Mar 15, 2026
8pm PDT Mar 15, 2026-6pm PDT Mar 22, 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