Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
40°F
4°C
| Humidity | 60% |
| Wind Speed | S 8 mph |
| Barometer | 30.17 in (1022.1 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 2 Feb 2:52 pm CST |
Extended Forecast for
3 Miles SW Vergennes IL
This Afternoon

High: 38 °F
Mostly Sunny
Tonight

Low: 27 °F
Mostly Cloudy
Tuesday
High: 36 °F
Chance
Drizzle/Freezing
Rain then
Chance
DrizzleTuesday Night

Low: 20 °F
Mostly Cloudy
Wednesday

High: 31 °F
Partly Sunny
Wednesday Night

Low: 14 °F
Mostly Clear
Thursday

High: 36 °F
Mostly Sunny
Thursday Night

Low: 29 °F
Mostly Clear
Friday

High: 46 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 38. South southeast wind around 5 mph.
Tonight
Mostly cloudy, with a low around 27. South southeast wind around 5 mph becoming light and variable.
Tuesday
A chance of drizzle or freezing rain before noon, then a chance of drizzle between noon and 5pm. Mostly cloudy, with a high near 36. Light and variable wind becoming north 5 to 10 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 20. North wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 31. North wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 14. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 29. South wind 8 to 10 mph becoming west southwest after midnight.
Friday
Sunny, with a high near 46. West southwest wind 7 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 23. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 38. Light and variable wind becoming east 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 24. South southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 42. South wind 5 to 7 mph becoming north northeast in the afternoon.
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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
3:16 pm CST Feb 2, 2026
3pm CST Feb 2, 2026-6pm CST Feb 8, 2026



