Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
68°F
20°C
| Humidity | 87% |
| Wind Speed | S 14 G 23 mph |
| Barometer | 29.99 in (1015.2 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 3 Apr 3:52 am CDT |
Extended Forecast for
3 Miles SW Vergennes IL
Today
High: 82 °F
Chance
Showers then
Slight Chance
T-stormsTonight
Low: 59 °F
Slight Chance
T-storms then
Heavy RainSaturday
High: 69 °F⇓
Heavy Rain
Saturday Night
Low: 40 °F
Decreasing
CloudsSunday
High: 60 °F
Sunny
Sunday Night
Low: 39 °F
Clear
Monday
High: 64 °F
Sunny
Monday Night
Low: 37 °F
Partly Cloudy
Tuesday
High: 56 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 82. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 59. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm before 1pm, then showers likely. Some of the storms could produce heavy rainfall. Temperature falling to around 60 by 4pm. Southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 60. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 39. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 64. Northwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 37. North wind around 9 mph.
Tuesday
Mostly sunny, with a high near 56. North northeast wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 38. East southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 69. South wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. South wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 75. South wind 11 to 15 mph, with gusts as high as 23 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
3:21 am CDT Apr 3, 2026
4am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
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