Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
48°F
9°C
| Humidity | 61% |
| Wind Speed | E 6 mph |
| Barometer | 30.30 in (1026.2 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 7 Apr 10:52 pm CDT |
Extended Forecast for
3 Miles SW Vergennes IL
Tonight

Low: 40 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 53 °F
Mostly Clear
Thursday

High: 77 °F
Sunny
Thursday Night

Low: 56 °F
Partly Cloudy
Friday
High: 77 °F
Mostly Sunny
then Chance
T-stormsFriday Night

Low: 56 °F
Chance
T-stormsSaturday

High: 78 °F
Partly Sunny
Saturday Night

Low: 60 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 40. East southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 74. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 8 to 10 mph.
Thursday
Sunny, with a high near 77. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. South wind 7 to 9 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. South southwest wind 7 to 10 mph becoming west in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northeast wind around 6 mph.
Saturday
Partly sunny, with a high near 78. East northeast wind 5 to 7 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. East southeast wind around 7 mph.
Sunday
Partly sunny, with a high near 83. South wind 8 to 16 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 17 mph, with gusts as high as 25 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. South southwest wind around 17 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
8:36 pm CDT Apr 7, 2026
11pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026


