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Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
30°F
-1°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.19 in (1022.7 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 14 Nov 2:52 am CST |
Extended Forecast for
De Soto IL
Overnight
Low: 27 °F
Clear
Saturday
High: 51 °F
Sunny
Saturday Night
Low: 25 °F
Clear
Sunday
High: 55 °F
Sunny
Sunday Night
Low: 26 °F
Mostly Clear
Monday
High: 58 °F
Sunny
Monday Night
Low: 28 °F
Clear
Tuesday
High: 60 °F
Sunny
Tuesday Night
Low: 30 °F
Clear
Detailed Forecast
Overnight
Clear, with a low around 27. Calm wind.
Saturday
Sunny, with a high near 51. Light north wind.
Saturday Night
Clear, with a low around 25. Calm wind.
Sunday
Sunny, with a high near 55. Calm wind.
Sunday Night
Mostly clear, with a low around 26. Calm wind.
Monday
Sunny, with a high near 58. Calm wind.
Monday Night
Clear, with a low around 28. Calm wind.
Tuesday
Sunny, with a high near 60. Light and variable wind.
Tuesday Night
Clear, with a low around 30. Calm wind.
Wednesday
Sunny, with a high near 64. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 37. Light south southeast wind.
Thursday
Partly sunny, with a high near 65. South wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 45. Calm wind.
Friday
Partly sunny, with a high near 70. Calm wind becoming south around 6 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
De Soto IL
37.81°N 89.23°W
37.81°N 89.23°W
1:56 am CST Nov 14, 2026
3am CST Nov 14, 2026-6pm CST Nov 20, 2026
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