News Headlines
Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Light Rain
83°F
28°C
| Humidity | 70% |
| Wind Speed | SW 10 G 21 mph |
| Barometer | 29.71 in (1006.0 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 21 Jun 6:56 pm CDT |
Extended Forecast for
3 Miles SSE Ewing IL
Flood Watch until June 22, 07:00am
Tornado Watch June 21, 07:05pm until June 21, 09:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 68 °F
Heavy Rain
then T-storms
LikelyMonday
High: 79 °F
Chance
Showers then
Partly SunnyMonday Night

Low: 61 °F
Mostly Clear
Tuesday

High: 83 °F
Sunny
Tuesday Night

Low: 63 °F
Mostly Clear
Wednesday
High: 86 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 68 °F
Slight Chance
T-storms then
Chance
ShowersThursday

High: 88 °F
Chance
T-storms
Detailed Forecast
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Low around 68. South southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Monday
A 30 percent chance of showers and thunderstorms, mainly 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 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. East northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 63. Light north wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light and variable wind.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light west northwest wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light south southwest wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 6 to 8 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Breezy, with a south southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 26 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Ewing IL
38.04°N 88.85°W
38.04°N 88.85°W
5:46 pm CDT Jun 21, 2026
7pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026



