Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Thunderstorm Light Rain Fog/Mist
75°F
24°C
| Humidity | 88% |
| Wind Speed | SW 12 G 36 mph |
| Barometer | 29.99 in (1015.7 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 4.00 mi |
| Last update | 18 May 1:56 pm CDT |
Extended Forecast for
3 Miles E Mount Vernon IL
Lake Wind Advisory until May 18, 04:00pm
NOW until 4:00pm Mon
Lake Wind Advisory
This Afternoon
High: 79 °F
T-storms
LikelyTonight
Low: 69 °F
Chance
T-storms then
Partly CloudyTuesday
High: 86 °F
Chance
T-storms then
T-stormsTuesday Night
Low: 61 °F
Showers
LikelyWednesday
High: 71 °F
Chance
ShowersWednesday Night
Low: 53 °F
Mostly Cloudy
Thursday
High: 73 °F
Partly Sunny
Thursday Night
Low: 57 °F
Mostly Cloudy
then Showers
Likely
Detailed Forecast
This Afternoon
Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a steady temperature around 79. South southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 69. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 86. Southwest wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Southwest wind 5 to 7 mph becoming calm. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 71. North wind around 9 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Northeast wind around 8 mph.
Thursday
Partly sunny, with a high near 73. East northeast wind 7 to 9 mph.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. East northeast wind 6 to 9 mph.
Friday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 76. East wind around 7 mph becoming south southwest in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind 3 to 5 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Calm wind.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Mount Vernon IL
38.33°N 88.86°W
38.33°N 88.86°W
1:26 pm CDT May 18, 2026
2pm CDT May 18, 2026-6pm CDT May 24, 2026
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