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

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fog/Mist

71°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in (1017.1 mb)
Dewpoint 71°F (22°C)
Visibility 4.00 mi
Last update 18 Aug 5:56 am CDT
Extended Forecast for

5 Miles N Keenes IL

Heat Advisory August 18, 06:47am until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 06:47am until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Today

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. Light southeast wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming north 5 to 8 mph in the morning.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. North northeast wind 5 to 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 86. North northeast wind 5 to 8 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 94. Calm wind becoming south southeast around 6 mph.
Tonight
Mostly clear, with a low around 73. Light southeast wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Light and variable wind.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming north 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 66. North northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 86. North northeast wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Clear, with a low around 65. Calm wind.
Saturday
Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. Light north northwest wind.
Sunday
Sunny, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Keenes IL
 38.41°N 88.65°W
Last Update:
5:46 am CDT Aug 18, 2025
Forecast Valid:
6am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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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