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 today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

48°F

9°C

Humidity 88%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 01 Apr 03:52 PM PDT
Extended Forecast for

9 Miles ENE Happy Camp CA

Freeze Watch April 3, 02:00am until April 3, 09:00am
Winter Weather Advisory April 1, 08:00pm until April 2, 11:00am
Click here for hazard details and duration
Freeze Watch
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  Steady temperature around 49. West southwest wind around 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Tonight

    Tonight: Rain and snow showers. Some thunder is also possible.  Snow level 3500 feet lowering to 2400 feet after midnight . Low around 34. West southwest wind 8 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely before 1pm, then a slight chance of rain between 1pm and 3pm.  Snow level 2400 feet rising to 4000 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 54. West southwest wind around 6 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 54 °F

    Rain/Snow
    Likely 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. Light east wind.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38.

    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 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 49. West southwest wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and snow showers. Some thunder is also possible. Snow level 3500 feet lowering to 2400 feet after midnight . Low around 34. West southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow likely before 1pm, then a slight chance of rain between 1pm and 3pm. Snow level 2400 feet rising to 4000 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 54. West southwest wind around 6 mph. Chance of precipitation is 60%. 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. Light east wind.
Friday Night
Clear, with a low around 38.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 78.
Monday Night
A slight chance of rain. 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 43.
Wednesday
A chance of rain. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
2:47 pm PDT Apr 1, 2026
4pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026
 
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Additional Resources

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