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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

59°F

15°C

Humidity 55%
Wind Speed NW 9 mph
Barometer 29.89 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 May 2:20 am CDT
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

  • Overnight

    Overnight: Mostly clear, with a low around 51. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. North northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. North wind 10 to 15 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 53. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Northwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 67. North northwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 43. North wind 10 to 15 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 72. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 53. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 59.
Saturday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63.
Tuesday
Showers likely. Mostly cloudy, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley Rgnl-Walter A Duncan Field Airport IL
 41.34°N 89.14°W
Last Update:
1:45 am CDT May 13, 2026
Forecast Valid:
2am CDT May 13, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation