Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog/Mist
31°F
-1°C
| Humidity | 89% |
| Wind Speed | SW 6 mph |
| Barometer | 29.94 in (1014.2 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 6.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 6 Dec 3:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
Today
High: 46 °F
Sunny
Tonight
Low: 34 °F
Mostly Cloudy
Sunday
High: 46 °F
Mostly Cloudy
Sunday Night
Low: 22 °F
Slight Chance
Snow Showers
then Mostly
CloudyMonday
High: 36 °F
Mostly Sunny
Monday Night
Low: 24 °F
Mostly Clear
Tuesday
High: 48 °F
Mostly Sunny
Tuesday Night
Low: 39 °F
Mostly Cloudy
Wednesday
High: 49 °F
Slight Chance
Showers then
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 46. Light and variable wind.
Tonight
Mostly cloudy, with a low around 34. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 46. South southwest wind 5 to 11 mph becoming north in the afternoon.
Sunday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 22. North wind 8 to 11 mph.
Monday
Mostly sunny, with a high near 36. North wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 24. Light and variable wind becoming south southwest 5 to 10 mph after midnight.
Tuesday
Mostly sunny, with a high near 48. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind 14 to 17 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers before noon. Partly sunny, with a high near 49. West southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Northwest wind around 8 mph becoming north northeast after midnight.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 41. Northeast wind 7 to 10 mph becoming southwest in the morning.
Thursday Night
Mostly cloudy, with a low around 24. East wind around 8 mph becoming north northwest in the evening.
Friday
Partly sunny, with a high near 32. North northwest wind 8 to 10 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 am CST Dec 6, 2025
4am CST Dec 6, 2025-6pm CST Dec 12, 2025
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