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.

Partly Cloudy

72°F

22°C

Humidity 100%
Wind Speed E 7 mph
Barometer 29.94 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 4 Jul 5:49 pm CDT
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

Flood Watch July 4, 06:38pm until July 4, 10:00pm
Flood Warning until July 7, 04:26pm
Click here for hazard details and duration
...
Flood Warning
  •  
    Flood Watch July 4, 06:38pm until July 4, 10:00pm
    Flood Warning until July 7, 04:26pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 66 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Cloudy
    then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 62. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 10%.

    Low: 62 °F

    Isolated
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 66. Northeast wind around 5 mph.
Sunday
Scattered showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 30%.
Sunday Night
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 62. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 10%.
Monday
Sunny, with a high near 81. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 84.
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:
6:21 pm CDT Jul 4, 2026
Forecast Valid:
6pm CDT Jul 4, 2026-6pm CDT Jul 11, 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