Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
28°F
-2°C
| Humidity | 43% |
| Wind Speed | S 15 mph |
| Barometer | 30.05 in (1018.0 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 18 Jan 3:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon
High: 31 °F
Partly Sunny
Tonight
Low: 14 °F
Partly Cloudy
M.L.King Day
High: 23 °F
Increasing
CloudsMonday Night
Low: 12 °F
Mostly Clear
Tuesday
High: 37 °F
Sunny
Tuesday Night
Low: 27 °F
Partly Cloudy
Wednesday
High: 46 °F
Slight Chance
Showers then
Mostly SunnyWednesday Night
Low: 23 °F
Partly Cloudy
Thursday
High: 37 °F
Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 31. South southwest wind around 11 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 14. South southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Increasing clouds, with a high near 23. Wind chill values as low as -2. Northwest wind 6 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 12. Light and variable wind.
Tuesday
Sunny, with a high near 37. South southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 27. South wind 9 to 16 mph, with gusts as high as 24 mph.
Wednesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 46. Southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 37. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 23. South wind 3 to 7 mph.
Friday
Partly sunny, with a high near 40. South southwest wind 7 to 10 mph becoming north in the afternoon.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 19. North northeast wind 8 to 13 mph, with gusts as high as 18 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. North northeast wind 11 to 13 mph, with gusts as high as 20 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
3:16 pm CST Jan 18, 2026
4pm CST Jan 18, 2026-6pm CST Jan 24, 2026
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