Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
71°F
22°C
| Humidity | 46% |
| Wind Speed | Calm |
| Barometer | 30.05 in (1017.5 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 6:52 pm CDT |
Extended Forecast for
3 Miles SE De Soto IL
Tonight

Low: 53 °F
Clear
Friday

High: 87 °F
Sunny
Friday Night

Low: 59 °F
Mostly Clear
Saturday

High: 77 °F
Showers
LikelySaturday Night

Low: 59 °F
Showers
Sunday

High: 75 °F
Chance
ShowersSunday Night

Low: 58 °F
Mostly Clear
Columbus Day

High: 85 °F
Sunny
Monday Night

Low: 64 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 53. Light southeast wind.
Friday
Sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 59. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 77. Light south southeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 60%.
Saturday Night
Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Low around 59. East northeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 75. Northeast wind around 7 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Columbus Day
Sunny, with a high near 85. Light south southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Clear, with a low around 64. South wind 6 to 8 mph.
Tuesday
Sunny, with a high near 85. West wind 7 to 9 mph.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 59. West wind around 6 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 79. East northeast wind 5 to 8 mph becoming south in the afternoon.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 61. South wind 3 to 5 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 81. South southwest wind 6 to 11 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE De Soto IL
37.79°N 89.2°W
37.79°N 89.2°W
6:30 pm CDT Oct 8, 2026
6pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026


