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 94%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 01 Apr 10:52 AM PDT
Extended Forecast for

16 Miles SE Agness OR

  • Today

    Today: Rain, possibly mixed with snow before 4pm, then a chance of rain between 4pm and 5pm, then rain likely, possibly mixed with snow after 5pm.  Snow level 5200 feet lowering to 3600 feet. High near 42. West southwest wind 16 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after midnight. Some thunder is also possible.  Snow level 3000 feet lowering to 2600 feet after midnight . Low around 36. Southwest wind 14 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow, possibly mixed with rain, becoming all rain after 2pm.  Snow level 2600 feet rising to 3700 feet in the afternoon. High near 45. West southwest wind 6 to 9 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Snow level 4000 feet lowering to 3400 feet after midnight . Mostly clear, with a low around 34. Northwest wind around 6 mph becoming east northeast after midnight.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. East wind 6 to 8 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43.

    Low: 43 °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, possibly mixed with snow before 4pm, then a chance of rain between 4pm and 5pm, then rain likely, possibly mixed with snow after 5pm. Snow level 5200 feet lowering to 3600 feet. High near 42. West southwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Rain and snow showers, becoming all snow after midnight. Some thunder is also possible. Snow level 3000 feet lowering to 2600 feet after midnight . Low around 36. Southwest wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow, possibly mixed with rain, becoming all rain after 2pm. Snow level 2600 feet rising to 3700 feet in the afternoon. High near 45. West southwest wind 6 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 4000 feet lowering to 3400 feet after midnight . Mostly clear, with a low around 34. Northwest wind around 6 mph becoming east northeast after midnight.
Friday
Sunny, with a high near 60. East wind 6 to 8 mph.
Friday Night
Clear, with a low around 43.
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 51.
Monday
Mostly sunny, with a high near 68.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
11:21 am PDT Apr 1, 2026
11am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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