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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

52°F

11°C

Humidity 73%
Wind Speed S 7 mph
Barometer 29.92 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 30 Mar 6:35 am CDT
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

  • Today

    Today: Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly after 4pm. High near 79. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Breezy.
    Partly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 41. West northwest wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Cloudy, with a high near 48. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 48 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: Showers. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers after 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday
Showers and possibly a thunderstorm, mainly after 4pm. High near 79. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 41. West northwest wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly after 1pm. Cloudy, with a high near 48. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Showers. Low around 40. Chance of precipitation is 90%.
Thursday
Showers. High near 64. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 44.
Friday
A chance of showers after 1pm. Partly sunny, with a high near 66.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 47.
Saturday
Showers likely. Mostly cloudy, with a high near 63. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 52. Breezy.
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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:
5:21 am CDT Mar 30, 2026
Forecast Valid:
7am CDT Mar 30, 2026-6pm CDT Apr 5, 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