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

45°F

7°C

Humidity 98%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 01 Apr 06:52 AM PDT
Extended Forecast for

17 Miles SSE Agness OR

  • Today

    Today: Rain.  Snow level 5300 feet lowering to 3600 feet in the afternoon . High near 42. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 42 °F

    Rain and
    Breezy

  • Tonight

    Tonight: Snow showers, possibly mixed with rain. Some thunder is also possible.  Snow level 2800 feet. Low around 36. Southwest wind 14 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all rain after 11am.  Snow level 2700 feet rising to 3600 feet in the afternoon. High near 44. West southwest wind 5 to 8 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Snow level 3900 feet lowering to 3400 feet after midnight . Mostly clear, with a low around 34. West northwest wind 6 to 9 mph becoming east northeast after midnight.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. East northeast wind around 9 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. Snow level 5300 feet lowering to 3600 feet in the afternoon . High near 42. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tonight
Snow showers, possibly mixed with rain. Some thunder is also possible. Snow level 2800 feet. Low around 36. Southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all rain after 11am. Snow level 2700 feet rising to 3600 feet in the afternoon. High near 44. West southwest wind 5 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 3900 feet lowering to 3400 feet after midnight . Mostly clear, with a low around 34. West northwest wind 6 to 9 mph becoming east northeast after midnight.
Friday
Sunny, with a high near 61. East northeast wind around 9 mph.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 66.
Monday Night
A chance of rain. Partly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
4:41 am PDT Apr 1, 2026
7am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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