Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair and Breezy
37°F
3°C
| Humidity | 42% |
| Wind Speed | S 22 G 33 mph |
| Barometer | 30.01 in (1016.4 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 24 Feb 10:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
Today

High: 49 °F
Mostly Cloudy
and BreezyTonight
Low: 39 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyWednesday

High: 55 °F
Mostly Cloudy
Wednesday Night
Low: 39 °F
Mostly Cloudy
then Chance
ShowersThursday
High: 52 °F
Chance
Showers then
Mostly SunnyThursday Night

Low: 31 °F
Mostly Clear
Friday

High: 62 °F
Sunny
Friday Night

Low: 40 °F
Mostly Clear
Saturday

High: 67 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 49. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 38 mph.
Tonight
Mostly cloudy, with a low around 39. Breezy, with a south southwest wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.
Wednesday
Mostly cloudy, with a high near 55. Calm wind becoming northeast around 5 mph.
Wednesday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Northeast wind 5 to 8 mph.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 52. East northeast wind 7 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 31. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 67. South southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 34. South wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers. Partly sunny, with a high near 49. Northeast wind around 11 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 34. East northeast wind around 10 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 53. East wind 9 to 11 mph, with gusts as high as 18 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
10:47 am CST Feb 24, 2026
11am CST Feb 24, 2026-6pm CST Mar 2, 2026



