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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

66°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Jul 11:55 pm CDT
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming southwest around 5 mph.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Calm wind becoming southeast around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 64. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 66. Calm wind becoming southeast around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Thursday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
A chance of showers. Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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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:
9:56 pm CDT Jul 13, 2025
Forecast Valid:
12am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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