Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
39°F
4°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.31 in (1026.5 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 6 Apr 1:52 am CDT |
Extended Forecast for
Du Quoin IL
Overnight

Low: 40 °F
Clear
Monday

High: 65 °F
Sunny
Monday Night

Low: 41 °F
Increasing
CloudsTuesday

High: 56 °F
Partly Sunny
Tuesday Night

Low: 40 °F
Partly Cloudy
Wednesday

High: 72 °F
Partly Sunny
Wednesday Night

Low: 53 °F
Mostly Cloudy
Thursday

High: 71 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Overnight
Clear, with a low around 40. Light west wind.
Monday
Sunny, with a high near 65. West wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Increasing clouds, with a low around 41. North wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 56. East northeast wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 40. East southeast wind around 7 mph.
Wednesday
Partly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 53. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 71. South wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. South wind around 7 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. South wind 6 to 8 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming east in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 61. South southeast wind around 7 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 8 to 15 mph, with gusts as high as 22 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
1:26 am CDT Apr 6, 2026
2am CDT Apr 6, 2026-6pm CDT Apr 12, 2026


