Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
25°F
-4°C
| Humidity | 69% |
| Wind Speed | SW 8 mph |
| Barometer | 30.26 in (1025.3 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 1 Feb 8:52 pm CST |
Extended Forecast for
De Soto IL
Tonight
Low: 17 °F
Slight Chance
Snow Showers
then Partly
CloudyMonday
High: 38 °F
Mostly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy
Tuesday
High: 36 °F
Chance Wintry
MixTuesday Night
Low: 19 °F
Mostly Cloudy
Wednesday
High: 31 °F
Mostly Sunny
Wednesday Night
Low: 13 °F
Partly Cloudy
Thursday
High: 36 °F
Mostly Sunny
Thursday Night
Low: 28 °F
Mostly Clear
Detailed Forecast
Tonight
A 20 percent chance of snow showers before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 17. South southwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 38. West wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
A chance of snow before 9am, then a chance of snow and freezing rain between 9am and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 36. Calm wind becoming north northeast 5 to 8 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 19. North wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 31. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 13. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 28. Southwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 46. West southwest wind 7 to 10 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 21. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 36. Light and variable wind becoming northeast 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 24. East wind around 6 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 41. South southeast wind 6 to 8 mph becoming northwest in the afternoon.
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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
8:46 pm CST Feb 1, 2026
8pm CST Feb 1, 2026-6pm CST Feb 8, 2026
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