Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
82°F
28°C
| Humidity | 77% |
| Wind Speed | NE 9 mph |
| Barometer | 30.14 in (1020.6 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 15 Aug 10:56 am CDT |
Extended Forecast for
Ewing ILSimilar City Names
Extreme Heat Warning August 15, 11:11am until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Today
High: 97 °F
Hot
Tonight
Low: 75 °F
Mostly Clear
Sunday
High: 97 °F
Hot
Sunday Night
Low: 72 °F
Slight Chance
T-stormsMonday
High: 88 °F
Slight Chance
T-storms then
Mostly SunnyMonday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy
Detailed Forecast
Today
Sunny and hot, with a high near 97. Heat index values as high as 108. West northwest wind around 7 mph becoming south southwest in the afternoon.
Tonight
Mostly clear, with a low around 75. Calm wind becoming southwest around 6 mph in the evening.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind 5 to 9 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Light north wind. Chance of precipitation is 20%.
Monday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. North northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind.
Tuesday Night
Partly cloudy, with a low around 70. Light south wind.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 93. South wind 5 to 11 mph becoming west northwest in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. North northeast wind 5 to 8 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. North northeast wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 62. East northeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 85. Northeast wind 3 to 7 mph.
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Point Forecast:
Ewing ILSimilar City Names
38.09°N 88.84°W
38.09°N 88.84°W
10:16 am CDT Aug 15, 2026
11am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
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