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.

Partly Cloudy

30°F

-1°C

Humidity 64%
Wind Speed N 14 mph
Barometer 30.17 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 6 Feb 8:42 pm CST
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

  • Tonight

    Tonight: Mostly clear, with a low around 13. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 27. North northeast wind around 5 mph becoming calm.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 13. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 27. North northeast wind around 5 mph becoming calm.
Saturday Night
Mostly cloudy, with a low around 22. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 37. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 24. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 41.
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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:
8:46 pm CST Feb 6, 2026
Forecast Valid:
9pm CST Feb 6, 2026-6pm CST Feb 13, 2026
 
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Additional Resources

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