National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

N/A

Humidity NA
Wind Speed S 10 mph
Barometer 29.57 in
Dewpoint N/A
Visibility 10.00 mi
Last update 24 Feb 2:20 pm CST
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 43. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 43 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 25. West northwest wind 10 to 15 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 38. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 23. Northwest wind around 5 mph becoming north northeast after midnight.

    Low: 23 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon. Partly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 43. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 25. West northwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 38. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23. Northwest wind around 5 mph becoming north northeast after midnight.
Thursday
Mostly sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 30.
Saturday
A chance of snow after noon. Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A chance of snow. Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley Rgnl-Walter A Duncan Field Airport IL
 41.34°N 89.14°W
Last Update:
1:16 pm CST Feb 24, 2026
Forecast Valid:
2pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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