Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast with Haze
45°F
7°C
| Humidity | 80% |
| Wind Speed | N 9 mph |
| Barometer | 30.04 in (1017.5 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 5.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 7 Dec 12:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon
High: 46 °F
Slight Chance
DrizzleTonight
Low: 26 °F
Cloudy
Monday
High: 37 °F
Decreasing
CloudsMonday Night
Low: 26 °F
Mostly Clear
Tuesday
High: 49 °F
Mostly Sunny
Tuesday Night
Low: 42 °F
Mostly Cloudy
Wednesday
High: 51 °F
Partly Sunny
Wednesday Night
Low: 29 °F
Slight Chance
Rain then
Slight Chance
Rain/SnowThursday
High: 40 °F
Chance
Rain/Snow
then Chance
Rain
Detailed Forecast
This Afternoon
A slight chance of drizzle before 5pm. Mostly cloudy, with a high near 46. North wind 8 to 11 mph.
Tonight
Cloudy, with a low around 26. North wind 9 to 11 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 26. Light south southeast wind becoming south southwest 8 to 13 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 49. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southwest wind 16 to 18 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 8 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming light and variable.
Thursday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 40. East wind 6 to 9 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 20. North northwest wind 7 to 11 mph.
Friday
Mostly sunny, with a high near 29. Northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 9. Northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 24. West northwest wind 7 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
10:56 am CST Dec 7, 2025
1pm CST Dec 7, 2025-6pm CST Dec 13, 2025
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