Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
77°F
25°C
| Humidity | 83% |
| Wind Speed | S 7 mph |
| Barometer | 30.05 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 16 Aug 6:52 am CDT |
Extended Forecast for
Du Quoin IL
Extreme Heat Warning August 16, 07:23am until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Today
High: 97 °F
Partly Sunny
then Slight
Chance
T-stormsTonight
Low: 73 °F
Chance
T-stormsMonday
High: 88 °F
Slight Chance
Showers then
Mostly SunnyMonday Night
Low: 66 °F
Partly Cloudy
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
then Chance
T-stormsWednesday
High: 92 °F
Chance
ShowersWednesday Night
Low: 68 °F
Chance
T-storms
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny and hot, with a high near 97. Heat index values as high as 113. Calm wind becoming west southwest 5 to 7 mph in the morning.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light north northwest wind. Chance of precipitation is 40%.
Monday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 88. North northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91. Calm wind.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Light south wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind 3 to 6 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. North northeast wind 3 to 7 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 64. Light north wind.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming north northwest 5 to 7 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Du Quoin IL
38.01°N 89.24°W
38.01°N 89.24°W
6:51 am CDT Aug 16, 2026
7am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
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