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Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog/Mist
71°F
22°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 6.00 mi |
| Last update | 17 Aug 5:52 am CDT |
Extended Forecast for
Du Quoin IL
Heat Advisory August 17, 06:55am until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
Today
High: 99 °F
Sunny then
Slight Chance
T-stormsTonight
Low: 75 °F
Slight Chance
T-storms then
Partly CloudyMonday
High: 100 °F
Hot
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 99 °F
Sunny then
Slight Chance
T-stormsTuesday Night
Low: 72 °F
Chance
T-stormsWednesday
High: 91 °F
Chance
T-stormsWednesday Night
Low: 68 °F
Partly Cloudy
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming east northeast around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Light north wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 89. North wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 68. North northeast wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. North northeast wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 68. North northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Du Quoin IL
38.01°N 89.21°W
38.01°N 89.21°W
6:45 am CDT Aug 17, 2025
6am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
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