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Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Partly Cloudy
85°F
29°C
| Humidity | 61% |
| Wind Speed | S 14 G 22 mph |
| Barometer | 29.84 in (1010.3 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 21 Jun 12:56 pm CDT |
Extended Forecast for
4 Miles E Bonnie IL
Flood Watch until June 22, 07:00am
Lake Wind Advisory until June 21, 07:00pm
NOW: Multiple hazards in effect

Click HERE for Details
This Afternoon

High: 85 °F
T-storms
LikelyTonight
Low: 68 °F
Heavy Rain
then Chance
T-stormsMonday
High: 79 °F
Slight Chance
T-storms then
Partly SunnyMonday Night

Low: 61 °F
Mostly Clear
Tuesday

High: 83 °F
Sunny
Tuesday Night

Low: 62 °F
Mostly Clear
Wednesday
High: 85 °F
Mostly Sunny
then Chance
T-stormsWednesday Night

Low: 66 °F
Chance
T-storms
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a steady temperature around 85. South wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and midnight, then a chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Low around 68. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 79. North northwest wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 61. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 66. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light west wind.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 65. Calm wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light south southwest wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Light south southwest wind becoming southwest 5 to 9 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles E Bonnie IL
38.2°N 88.84°W
38.2°N 88.84°W
1:06 pm CDT Jun 21, 2026
1pm CDT Jun 21, 2026-6pm CDT Jun 27, 2026



