Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
67°F
19°C
| Humidity | 76% |
| Wind Speed | S 12 mph |
| Barometer | 29.97 in (1014.8 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 8:52 am CDT |
Extended Forecast for
3 Miles SW Vergennes IL
Today
High: 85 °F
Sunny then
Chance
T-stormsTonight
Low: 51 °F
Slight Chance
T-storms then
ShowersSaturday
High: 65 °F⇓
Showers
Saturday Night
Low: 38 °F
Decreasing
CloudsSunday
High: 67 °F
Sunny
Sunday Night
Low: 44 °F
Mostly Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 51 °F
Clear
Tuesday
High: 78 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 85. South wind 8 to 16 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 51. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Temperature falling to around 54 by 8am. North northwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 38. North northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 67. West wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 44. Northwest wind around 6 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 71. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Clear, with a low around 51. South wind around 8 mph.
Tuesday
Mostly sunny, with a high near 78. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 55. South southwest wind 8 to 10 mph.
Wednesday
Sunny, with a high near 80. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 8 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. South wind 8 to 13 mph, with gusts as high as 20 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
7:51 am CDT Apr 17, 2026
9am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
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