Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
82°F
28°C
| Humidity | 82% |
| Wind Speed | SW 3 mph |
| Barometer | 30.04 in (1017.2 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 15 Aug 8:56 pm CDT |
Extended Forecast for
Keenes ILSimilar City Names
Extreme Heat Warning August 15, 09:11pm until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Tonight
Low: 75 °F
Mostly Clear
Sunday
High: 95 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Chance
T-storms then
Chance
ShowersMonday
High: 87 °F
Slight Chance
Showers then
Mostly SunnyMonday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 90 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 75. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 106. West southwest wind 5 to 7 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 71. Light north northwest wind.
Monday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 87. North northwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 64. Light north wind.
Tuesday
Sunny, with a high near 88. Calm wind.
Tuesday Night
Mostly clear, with a low around 68. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 8 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. North northeast wind around 6 mph.
Thursday
A slight chance of showers before 1pm. Partly sunny, with a high near 83. North northeast wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Light east northeast wind.
Saturday
Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Keenes ILSimilar City Names
38.35°N 88.63°W
38.35°N 88.63°W
8:15 pm CDT Aug 15, 2026
9pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026
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