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

38°F

3°C

Humidity 98%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 02 Apr 03:52 AM PDT
Extended Forecast for

11 Miles NNE Happy Camp CA

Winter Weather Advisory April 2, 04:00am 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, 04:00am until April 2, 11:00am

    NOW until 11:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 26 °F

    Heavy Snow

  • Thursday

    Thursday: Snow likely, mainly before 9am. The snow could be heavy at times.  Partly sunny, with a high near 36. West wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. North wind around 7 mph becoming east after midnight.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. East northeast wind around 7 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 37. North northeast wind around 7 mph becoming southeast after midnight.

    Low: 37 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 26. West wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 7 inches possible.
Thursday
Snow likely, mainly before 9am. The snow could be heavy at times. Partly sunny, with a high near 36. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Mostly clear, with a low around 25. North wind around 7 mph becoming east after midnight.
Friday
Sunny, with a high near 52. East northeast wind around 7 mph.
Friday Night
Clear, with a low around 37. North northeast wind around 7 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 61.
Monday Night
A slight chance of rain. Snow level 8500 feet lowering to 7600 feet after midnight . Partly cloudy, with a low around 44.
Tuesday
A chance of rain. Snow level 7300 feet. Partly sunny, with a high near 56.
Tuesday Night
A chance of rain. Snow level 7500 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Snow level 6000 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
3:31 am PDT Apr 2, 2026
4am PDT Apr 2, 2026-6pm PDT Apr 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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