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

12 Miles NNE 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: 26 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow likely, mainly before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 8 to 10 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. North wind around 8 mph becoming east northeast after midnight.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. Northeast wind around 7 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 37. North northeast wind around 8 mph becoming southeast after midnight.

    Low: 37 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow showers before 2am, then snow after 2am. The snow could be heavy at times. Some thunder is also possible. Low around 26. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Thursday
Snow likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 35. West wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Mostly clear, with a low around 26. North wind around 8 mph becoming east northeast after midnight.
Friday
Sunny, with a high near 51. Northeast wind around 7 mph.
Friday Night
Clear, with a low around 37. North northeast wind around 8 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 60.
Monday Night
A slight chance of rain. Snow level 8300 feet lowering to 7500 feet after midnight . Partly cloudy, with a low around 44.
Tuesday
A chance of rain. Snow level 7200 feet. Partly sunny, with a high near 54.
Tuesday Night
A chance of rain. Snow level 7400 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 41.
Wednesday
A chance of rain and snow. Snow level 5700 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.95°N 123.31°W (Elev. 4911 ft)
9:56 pm PDT Apr 1, 2026
10pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database