Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
76°F
24°C
| Humidity | 39% |
| Wind Speed | W 9 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 20 Mar 11:52 am CDT |
Extended Forecast for
3 Miles SW Vergennes IL
Today

High: 84 °F
Sunny
Tonight

Low: 53 °F
Partly Cloudy
Saturday

High: 79 °F
Sunny
Saturday Night

Low: 60 °F
Clear
Sunday

High: 85 °F
Sunny
Sunday Night

Low: 43 °F
Slight Chance
ShowersMonday

High: 59 °F
Sunny
Monday Night

Low: 41 °F
Partly Cloudy
Tuesday

High: 61 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 84. West southwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 53. Southwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 79. East northeast wind around 6 mph becoming calm in the morning.
Saturday Night
Clear, with a low around 60. South wind 5 to 9 mph.
Sunday
Sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 43. West southwest wind 14 to 16 mph becoming north after midnight. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 59. North wind 10 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 41. Northeast wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 61. Southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 43. East southeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 67. East wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 50. South southeast wind 9 to 11 mph.
Thursday
Sunny, with a high near 78. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
11:51 am CDT Mar 20, 2026
11am CDT Mar 20, 2026-6pm CDT Mar 26, 2026



