Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
43°F
6°C
| Humidity | 43% |
| Wind Speed | Vrbl 7 mph |
| Barometer | 29.94 in (1013.8 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 20 Feb 11:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon

High: 48 °F
Sunny
Tonight

Low: 30 °F
Partly Cloudy
Saturday

High: 43 °F
Partly Sunny
Saturday Night

Low: 24 °F
Mostly Clear
Sunday

High: 38 °F
Sunny and
BreezySunday Night

Low: 17 °F
Clear
Monday

High: 34 °F
Sunny
Monday Night

Low: 17 °F
Mostly Clear
Tuesday

High: 46 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 48. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 30. North northwest wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 43. Northwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 38. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 17. North northwest wind around 15 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 34. North northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 17. North northwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 46. South wind 6 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 35. Southwest wind 7 to 9 mph becoming north northwest after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 55. North northwest wind 7 to 9 mph becoming east northeast in the afternoon.
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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
11:42 am CST Feb 20, 2026
12pm CST Feb 20, 2026-6pm CST Feb 26, 2026


