Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Du Quoin IL
Today
High: 89 °F
Patchy Fog
then Mostly
SunnyTonight

Low: 66 °F
Partly Cloudy
Friday

High: 89 °F
Chance
ShowersFriday Night

Low: 69 °F
Showers
Saturday

High: 82 °F
Showers
LikelySaturday Night

Low: 66 °F
Chance
ShowersSunday
High: 84 °F
Mostly Sunny
then Slight
Chance
ShowersSunday Night

Low: 66 °F
Mostly Clear
Monday
High: 87 °F
Sunny then
Slight Chance
Showers
Detailed Forecast
Today
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 89. East wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 89. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 69. South southeast wind around 7 mph. Chance of precipitation is 90%.
Saturday
A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. West southwest wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 66. North wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. North northeast wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 66. North wind 5 to 10 mph.
Monday
A slight chance of showers after 1pm. Mostly sunny, with a high near 87. Northeast wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 89. Light northeast wind.
Tuesday Night
Partly cloudy, with a low around 69. Calm wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light and variable wind.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Du Quoin IL
38.01°N 89.24°W
38.01°N 89.24°W
1:26 am CDT Jul 30, 2026
4am CDT Jul 30, 2026-6pm CDT Aug 5, 2026


