Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

40°F

4°C

Humidity 95%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 01 Apr 09:52 PM PDT
Extended Forecast for

Happy Camp CA

Winter Weather Advisory until April 2, 11:00am
Freeze Warning April 3, 02:00am until April 3, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
Freeze Warning
  •  
    Winter Weather Advisory until April 2, 11:00am

    NOW until 11:00am Thu

    Winter Weather Advisory

  • Tonight

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 10am, then a chance of rain between 10am and 2pm.  Snow level 2400 feet rising to 4000 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind around 5 mph becoming light and variable.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 54 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. North wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Light east northeast wind.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 37. North northeast wind 3 to 5 mph.

    Low: 37 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain and snow showers before 2am, then rain and snow. Some thunder is also possible. Snow level 2500 feet. Low around 34. South southwest wind 7 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 10am, then a chance of rain between 10am and 2pm. Snow level 2400 feet rising to 4000 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind around 5 mph becoming light and variable. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 29. North wind 3 to 5 mph.
Friday
Sunny, with a high near 69. Light east northeast wind.
Friday Night
Clear, with a low around 37. North northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 71.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.81°N 123.36°W (Elev. 1299 ft)
9:56 pm PDT Apr 1, 2026
10pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database