Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
80°F
27°C
| Humidity | 90% |
| Wind Speed | E 3 mph |
| Barometer | 30.07 in (1018.0 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 15 Aug 12:56 am CDT |
Extended Forecast for
4 Miles SW Ina IL
Extreme Heat Warning August 15, 01:41am until August 16, 08:00pm
NOW until 8:00pm Sun

Extreme Heat Warning
Overnight

Low: 81 °F
Clear
Saturday

High: 93 °F
Mostly Sunny
Saturday Night

Low: 79 °F
Clear
Sunday

High: 94 °F
Mostly Sunny
Sunday Night

Low: 76 °F
Chance
T-stormsMonday

High: 86 °F
Mostly Sunny
Monday Night

Low: 72 °F
Partly Cloudy
Tuesday

High: 88 °F
Sunny
Detailed Forecast
Overnight
Clear, with a steady temperature around 81. South wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 93. Heat index values as high as 105. South southwest wind around 6 mph becoming northwest in the morning.
Saturday Night
Clear, with a low around 79. Light south southwest wind becoming southwest 5 to 9 mph in the evening.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 107. West wind around 7 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. North wind around 6 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 86. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Calm wind.
Tuesday Night
Mostly clear, with a low around 76. Light east southeast wind becoming south 5 to 9 mph in the evening.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 91. South wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind 9 to 11 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. North northeast wind 6 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. East northeast wind 6 to 8 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. East northeast wind around 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SW Ina IL
38.11°N 88.95°W
38.11°N 88.95°W
1:26 am CDT Aug 15, 2026
1am CDT Aug 15, 2026-6pm CDT Aug 21, 2026



