


Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Mostly Cloudy
86°F
30°C
Humidity | 75% |
Wind Speed | Calm |
Barometer | 29.96 in (1014.1 mb) |
Dewpoint | 77°F (25°C) |
Visibility | 10.00 mi |
Heat Index | 97°F (36°C) |
Last update | 15 Jul 3:52 pm CDT |
Extended Forecast for
Du Quoin IL
This Afternoon
High: 89 °F
Chance
T-stormsTonight
Low: 73 °F
Chance
T-storms then
Chance
ShowersWednesday
High: 93 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night
Low: 75 °F
Partly Cloudy
Thursday
High: 93 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 72 °F
Chance
T-stormsFriday
High: 87 °F
Chance
T-stormsFriday Night
Low: 73 °F
Slight Chance
T-stormsSaturday
High: 90 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. South southwest wind around 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 73. South wind 3 to 6 mph.
Wednesday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 75. South southwest wind 5 to 7 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West southwest wind 6 to 8 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. North wind around 6 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 87. Light and variable wind becoming east southeast around 5 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind 5 to 8 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 6 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 5 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 6 mph becoming light and variable after midnight.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. South wind 5 to 8 mph.
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
4:31 pm CDT Jul 15, 2025
4pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025