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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Mostly Cloudy

68°F

20°C

Humidity 88%
Wind Speed S 14 mph
Barometer 29.87 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 May 8:01 am CDT
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between noon and 2pm. Mostly cloudy, with a high near 75. Breezy, with a south southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 75 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between noon and 2pm. Mostly cloudy, with a high near 75. Breezy, with a south southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 65. North northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 44. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 68. East wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 52.
Saturday
Mostly cloudy, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 58.
Memorial Day
Partly sunny, with a high near 82.
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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:
4:06 am CDT May 19, 2026
Forecast Valid:
8am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation