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

47°F

8°C

Humidity 95%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 01 Apr 01:52 PM PDT
Extended Forecast for

8 Miles WNW Illinois Valley OR

Freeze Watch April 3, 02:00am until April 3, 09:00am
Click here for hazard details and duration
Freeze Watch
  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow showers, mainly before 5pm. The rain could be heavy at times. Some thunder is also possible.  Snow level 4600 feet lowering to 3900 feet. High near 41. West southwest wind around 20 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Tonight

    Tonight: Snow showers, possibly mixed with rain, becoming all snow after 8pm. The snow could be heavy at times. Some thunder is also possible.  Low around 33. West southwest wind 16 to 21 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 33 °F

    Rain/Snow
    then Heavy
    Snow

  • Thursday

    Thursday: Snow, possibly mixing with rain after noon, then gradually ending. The snow could be heavy at times.  Snow level rising to 3900 feet in the afternoon. High near 41. West southwest wind 6 to 11 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 41 °F

    Heavy Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. West northwest wind 5 to 7 mph becoming northeast after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Northeast wind around 9 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow showers, mainly before 5pm. The rain could be heavy at times. Some thunder is also possible. Snow level 4600 feet lowering to 3900 feet. High near 41. West southwest wind around 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, possibly mixed with rain, becoming all snow after 8pm. The snow could be heavy at times. Some thunder is also possible. Low around 33. West southwest wind 16 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow, possibly mixing with rain after noon, then gradually ending. The snow could be heavy at times. Snow level rising to 3900 feet in the afternoon. High near 41. West southwest wind 6 to 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Mostly clear, with a low around 29. West northwest wind 5 to 7 mph becoming northeast after midnight.
Friday
Sunny, with a high near 58. Northeast wind around 9 mph.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 62.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
2:21 pm PDT Apr 1, 2026
2pm PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database