Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
3°F
-16°C
| Humidity | 85% |
| Wind Speed | W 7 mph |
| Barometer | 30.46 in |
| Dewpoint | 0°F (-18°C) |
| Visibility | 10.00 mi |
| Wind Chill | -9°F (-23°C) |
| Last update | 1 Feb 6:52 am CST |
Extended Forecast for
3 Miles SW Vergennes IL
Today
High: 30 °F
Mostly Sunny
then Slight
Chance SnowTonight
Low: 19 °F
Chance Snow
then Mostly
CloudyMonday
High: 38 °F
Mostly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy
Tuesday
High: 36 °F
Slight Chance
Snow ShowersTuesday Night
Low: 19 °F
Mostly Cloudy
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 11 °F
Mostly Clear
Thursday
High: 36 °F
Mostly Sunny
Detailed Forecast
Today
A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 30. Wind chill values as low as -1. Light west southwest wind becoming south 5 to 10 mph in the morning.
Tonight
A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 19. South wind 6 to 9 mph becoming west southwest after midnight.
Monday
Mostly sunny, with a high near 38. West southwest wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 36. Calm wind becoming north 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 19. North wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 30. North wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 11. 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
Partly cloudy, with a low around 28. Southwest wind around 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 45. West southwest wind 9 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 21. North northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 33. North wind around 6 mph becoming east in the afternoon.
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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
4:46 am CST Feb 1, 2026
7am CST Feb 1, 2026-6pm CST Feb 7, 2026
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