7-Day Forecast 41.34°N 89.14°W (Text-Only)
NWS Forecast for: Illinois Valley Rgnl-Walter A Duncan Field Airport IL
Issued by: National Weather Service Chicago, IL
Last Update: 12:59 pm CST Feb 11, 2025
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  • This
    Afternoon

    This Afternoon: Mostly cloudy, with a high near 30. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Cloudy


  • Tonight

    Tonight: A 30 percent chance of snow after midnight.  Cloudy, with a low around 22. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Cloudy then
    Chance Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 29. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 29 °F

    Heavy Snow


  • Wednesday
    Night

    Wednesday Night: Snow, mainly before midnight.  Low around 12. North northeast wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 12 °F

    Snow then
    Slight Chance
    Snow

  • Thursday

    Thursday: Sunny, with a high near 17. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 17 °F

    Sunny


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear


  • Friday

    Friday: A 40 percent chance of snow after noon.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow

  • Friday
    Night

    Friday Night: Snow.  Cloudy, with a low around 25.

    Low: 25 °F

    Snow


  • Saturday

    Saturday: Snow likely, mainly after noon.  Cloudy, with a high near 34.

    High: 34 °F

    Snow Likely




  • This Afternoon: Mostly cloudy, with a high near 30. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Tonight: A 30 percent chance of snow after midnight. Cloudy, with a low around 22. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Wednesday: Snow. The snow could be heavy at times. High near 29. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Wednesday Night: Snow, mainly before midnight. Low around 12. North northeast wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Thursday: Sunny, with a high near 17. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Thursday Night: Mostly clear, with a low around 2.

    Friday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 30.

    Friday Night: Snow. Cloudy, with a low around 25.

    Saturday: Snow likely, mainly after noon. Cloudy, with a high near 34.

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 9.

    Sunday: Partly sunny, with a high near 15.

    Sunday Night: Partly cloudy, with a low around -7.

    Washington's Birthday: A chance of snow. Partly sunny, with a high near 14.



    Illinois Valley Rgnl-Walter A Duncan Field Airport IL
     41.34°N 89.14°W

    Visit your local NWS office at: https://www.weather.gov/lot