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.

Mostly Cloudy

47°F

8°C

Humidity 62%
Wind Speed W 18 G 36 mph
Barometer 29.98 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Apr 1:15 pm CDT
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • This Afternoon

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 54. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Frost then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Widespread frost after 4am. Otherwise, mostly clear, with a low around 31. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 58. Northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 58 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of showers after 1pm. Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 54. West wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 31. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 58. Northeast wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Showers likely. Mostly cloudy, with a low around 61.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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:
6:46 am CDT Apr 18, 2026
Forecast Valid:
1pm CDT Apr 18, 2026-6pm CDT Apr 24, 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