Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
42°F
6°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 30.26 in (1024.7 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 8 Apr 3:52 am CDT |
Extended Forecast for
3 Miles SW Vergennes IL
Today
High: 74 °F
Mostly Sunny
Tonight
Low: 54 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 56 °F
Partly Cloudy
Friday
High: 78 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 56 °F
Chance
T-stormsSaturday
High: 78 °F
Partly Sunny
then Slight
Chance
T-stormsSaturday Night
Low: 59 °F
Partly Cloudy
Sunday
High: 81 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 74. South wind 6 to 11 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 54. South wind around 9 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. Mostly sunny, with a high near 78. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind around 6 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. East northeast wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. East southeast wind around 7 mph.
Sunday
Partly sunny, with a high near 81. South wind 8 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 65. South wind 13 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 22 mph, with gusts as high as 31 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind around 18 mph, with gusts as high as 26 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind 16 to 18 mph, with gusts as high as 26 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
2:21 am CDT Apr 8, 2026
4am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
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