Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Snow Freezing Fog
29°F
-2°C
| Humidity | 96% |
| Wind Speed | W 7 mph |
| Barometer | 30.07 in (1018.5 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 0.50 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 1 Dec 10:52 pm CST |
Extended Forecast for
3 Miles SE De Soto IL
Winter Weather Advisory December 1, 11:44pm until December 2, 06:00am
NOW until 6:00am Tue

Winter Weather Advisory
Tonight

Low: 22 °F
Heavy Snow
Tuesday

High: 32 °F
Decreasing
CloudsTuesday Night

Low: 21 °F
Mostly Clear
Wednesday

High: 41 °F
Mostly Sunny
Wednesday Night

Low: 20 °F
Mostly Cloudy
Thursday

High: 28 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Partly Cloudy
then Slight
Chance Snow
ShowersFriday
High: 38 °F
Slight Chance
Snow Showers
then Slight
Chance
Rain/Snow
Detailed Forecast
Tonight
Snow, mainly before 1am. The snow could be heavy at times. Low around 22. Northwest wind 5 to 7 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 32. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Light south wind.
Wednesday
Mostly sunny, with a high near 41. South southwest wind 5 to 9 mph becoming light in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 20. Light and variable wind becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 28. North wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 17. Light and variable wind.
Friday
A slight chance of snow showers before noon, then a slight chance of rain and snow showers. Mostly sunny, with a high near 38. Calm wind becoming south southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 25. Calm wind.
Saturday
Mostly sunny, with a high near 42. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 29. Light and variable wind becoming west northwest around 6 mph after midnight.
Sunday
Mostly cloudy, with a high near 41. West northwest wind 6 to 8 mph becoming north in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. North wind 3 to 5 mph.
Monday
Partly sunny, with a high near 38. Light and variable wind becoming north northeast around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles SE De Soto IL
37.79°N 89.2°W
37.79°N 89.2°W
11:31 pm CST Dec 1, 2025
11pm CST Dec 1, 2025-6pm CST Dec 8, 2025



