Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
82°F
28°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.3 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 30 Jun 8:56 pm CDT |
Extended Forecast for
3 Miles W Belle Rive IL
Extreme Heat Warning June 30, 09:26pm until July 3, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
Tonight

Low: 73 °F
Clear
Wednesday

High: 95 °F
Sunny
Wednesday Night

Low: 75 °F
Clear
Thursday

High: 96 °F
Sunny
Thursday Night

Low: 76 °F
Mostly Clear
Friday
High: 95 °F
Sunny then
Slight Chance
T-stormsFriday Night

Low: 74 °F
Chance
T-stormsIndependence Day

High: 94 °F
Chance
T-storms
Detailed Forecast
Tonight
Clear, with a low around 73. South wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 96. Heat index values as high as 106. Light southwest wind.
Thursday Night
Mostly clear, with a low around 76. Light and variable wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Light and variable wind.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 74. Light and variable wind.
Independence Day
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light north wind.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light and variable wind.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles W Belle Rive IL
38.24°N 88.81°W
38.24°N 88.81°W
2:20 pm CDT Jun 30, 2026
9pm CDT Jun 30, 2026-6pm CDT Jul 7, 2026



