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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Mostly Cloudy

72°F

22°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 4 Jul 4:46 pm CDT
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

Flood Watch July 4, 05:27pm until July 4, 10:00pm
Flood Advisory until July 4, 05:45pm
Flood Warning until July 7, 04:26pm
Click here for hazard details and duration
Flood Watch
Flood Advisory
Flood Warning
  •  
    Flood Watch July 4, 05:27pm until July 4, 10:00pm
    Flood Advisory until July 4, 05:45pm
    Flood Warning until July 7, 04:26pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Independence Day

    High: 70 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Severe
    Thunderstorms

  • 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.

    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

Detailed Forecast

Independence Day
Scattered showers and thunderstorms. Some of the storms could be severe. Cloudy, with a steady temperature around 70. Northeast wind around 5 mph. Chance of precipitation is 50%.
Tonight
Isolated showers and thunderstorms before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 20%.
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.
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. 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.
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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:
4:46 pm CDT Jul 4, 2026
Forecast Valid:
5pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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