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

39°F

4°C

Humidity 94%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 02 Apr 12:52 AM PDT
Extended Forecast for

9 Miles ENE Happy Camp CA

Winter Weather Advisory April 2, 01:51am 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 April 2, 01:51am until April 2, 11:00am

    NOW until 11:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 34 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow before 11am, then a chance of rain between 11am and 1pm.  Snow level 2300 feet rising to 3900 feet in the afternoon. Mostly sunny, with a high near 53. West northwest wind 3 to 5 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 53 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Calm wind.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38. Light north northeast wind.

    Low: 38 °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

Overnight
Rain and snow likely. Some thunder is also possible. Snow level 2400 feet. Mostly cloudy, with a low around 34. West wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 11am, then a chance of rain between 11am and 1pm. Snow level 2300 feet rising to 3900 feet in the afternoon. Mostly sunny, with a high near 53. West northwest wind 3 to 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 29. Light and variable wind.
Friday
Sunny, with a high near 69. Calm wind.
Friday Night
Clear, with a low around 38. Light north northeast wind.
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
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
A chance of rain. Partly sunny, with a high near 71.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
12:21 am PDT Apr 2, 2026
1am PDT Apr 2, 2026-6pm PDT Apr 8, 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