Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
40°F
4°C
| Humidity | 79% |
| Wind Speed | S 9 mph |
| Barometer | 29.96 in (1015.0 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 8.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 6 Dec 5:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
Tonight
Low: 34 °F
Mostly Cloudy
then Slight
Chance
DrizzleSunday
High: 44 °F
Slight Chance
DrizzleSunday Night
Low: 24 °F
Cloudy
Monday
High: 36 °F
Decreasing
CloudsMonday Night
Low: 25 °F
Mostly Clear
Tuesday
High: 49 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Mostly Cloudy
Wednesday
High: 51 °F
Partly Sunny
Wednesday Night
Low: 29 °F
Slight Chance
Showers then
Slight Chance
Rain/Snow
Detailed Forecast
Tonight
A slight chance of drizzle after 4am. Mostly cloudy, with a low around 34. South southeast wind around 5 mph.
Sunday
A slight chance of drizzle before 5pm. Mostly cloudy, with a high near 44. South southwest wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Cloudy, with a low around 24. North wind 8 to 13 mph, with gusts as high as 18 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 25. Light and variable 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 13 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind 16 to 18 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 8 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 29. Northwest wind around 7 mph becoming east after midnight.
Thursday
A chance of rain and snow showers before noon. Mostly cloudy, with a high near 40. East wind 7 to 10 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 22. West northwest wind 8 to 10 mph.
Friday
Partly sunny, with a high near 30. Northwest wind around 11 mph.
Friday Night
Partly cloudy, with a low around 11. Northwest wind around 9 mph.
Saturday
Mostly sunny, with a high near 28. 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
5:11 pm CST Dec 6, 2025
6pm CST Dec 6, 2025-6pm CST Dec 13, 2025
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