Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
47°F
8°C
| Humidity | 48% |
| Wind Speed | S 12 mph |
| Barometer | 30.08 in (1018.9 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 12 Mar 8:52 pm CDT |
Extended Forecast for
4 Miles SW Vergennes IL
Tonight
Low: 43 °F
Partly Cloudy
then Partly
Cloudy and
BreezyFriday
High: 63 °F
Mostly Sunny
Friday Night
Low: 36 °F
Partly Cloudy
Saturday
High: 66 °F
Mostly Sunny
Saturday Night
Low: 54 °F
Partly Cloudy
Sunday
High: 70 °F
Breezy.
Slight Chance
Showers then
ShowersSunday Night
Low: 25 °F
Rain/Snow and
BreezyMonday
High: 33 °F
Partly Sunny
and BreezyMonday Night
Low: 14 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 43. Breezy, with a south wind 14 to 24 mph, with gusts as high as 38 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 66. East wind 6 to 11 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. Southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday
A slight chance of showers, then showers and possibly a thunderstorm after 1pm. High near 70. Breezy, with a south wind 18 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Sunday Night
Rain and snow showers, mainly before 1am. Some thunder is also possible. Low around 25. Breezy, with a southwest wind 25 to 29 mph becoming west northwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 33. Breezy, with a west northwest wind 22 to 26 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 14. Northwest wind 9 to 17 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 37. West wind 7 to 9 mph.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 27. Southeast wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 55. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 39. South southwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 67. South southwest wind 7 to 9 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Vergennes IL
37.86°N 89.39°W
37.86°N 89.39°W
5:51 pm CDT Mar 12, 2026
9pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
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