Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
45°F
7°C
| Humidity | 54% |
| Wind Speed | NE 10 mph |
| Barometer | 30.37 in (1028.6 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 23 Mar 8:52 pm CDT |
Extended Forecast for
Du Quoin IL
Tonight

Low: 37 °F
Mostly Cloudy
Tuesday

High: 62 °F
Decreasing
CloudsTuesday Night

Low: 43 °F
Partly Cloudy
Wednesday

High: 73 °F
Mostly Sunny
Wednesday Night

Low: 61 °F
Partly Cloudy
Thursday

High: 85 °F
Sunny
Thursday Night
Low: 43 °F
Slight Chance
T-storms then
Showers
LikelyFriday

High: 52 °F
Showers
LikelyFriday Night

Low: 32 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 37. East northeast wind 3 to 7 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 62. East wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 43. East southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 73. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 61. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 43. South southwest wind around 17 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 52. North wind around 17 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 32. North wind 9 to 15 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 56. East northeast wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 37. Light southeast wind.
Sunday
Mostly sunny, with a high near 64. South wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 47. South wind around 7 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 71. South wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
Du Quoin IL
38.01°N 89.24°W
38.01°N 89.24°W
8:16 pm CDT Mar 23, 2026
9pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026


