Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast with Haze
28°F
-2°C
| Humidity | 75% |
| Wind Speed | N 8 mph |
| Barometer | 30.29 in (1026.0 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 6.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 4 Feb 2:52 am CST |
Extended Forecast for
De Soto IL
Overnight

Low: 22 °F
Mostly Cloudy
Wednesday

High: 32 °F
Partly Sunny
Wednesday Night

Low: 14 °F
Partly Cloudy
Thursday

High: 35 °F
Mostly Cloudy
Thursday Night

Low: 28 °F
Partly Cloudy
Friday

High: 49 °F
Mostly Sunny
Friday Night

Low: 26 °F
Partly Cloudy
Saturday

High: 41 °F
Sunny
Saturday Night

Low: 28 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 22. North wind around 7 mph.
Wednesday
Partly sunny, with a high near 32. North wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 14. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 35. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. West southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 49. West southwest wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 26. North northwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 41. Light and variable wind becoming northeast around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 28. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 51. South wind 5 to 8 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 29. Light north northeast wind.
Monday
Mostly sunny, with a high near 51. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 37. South wind around 6 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 58. South wind 6 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
De Soto IL
37.81°N 89.23°W
37.81°N 89.23°W
1:26 am CST Feb 4, 2026
3am CST Feb 4, 2026-6pm CST Feb 10, 2026


