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.

76°F

24°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 29 Jun 2:56 am CDT
Extended Forecast for

4 Miles ESE Radom IL

Extreme Heat Warning June 29, 11:00am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Mostly clear, with a low around 73. South southwest wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 95. Heat index values as high as 111. South wind 5 to 13 mph, with gusts as high as 18 mph.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 18 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 109. South southwest wind 3 to 8 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. South wind 5 to 7 mph becoming calm after midnight.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Light south southwest wind.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 73. South southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 95. Heat index values as high as 111. South wind 5 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 95. Heat index values as high as 109. South southwest wind 3 to 8 mph.
Tuesday Night
Clear, with a low around 73. South wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 97. Light south southwest wind.
Thursday Night
Mostly clear, with a low around 76. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. Light and variable wind.
Friday Night
Partly cloudy, with a low around 76. Calm wind.
Independence Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light west southwest wind.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Radom IL
 38.25°N 89.14°W
Last Update:
1:21 am CDT Jun 29, 2026
Forecast Valid:
3am CDT Jun 29, 2026-6pm CDT Jul 5, 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