Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
77°F
25°C
| Humidity | 90% |
| Wind Speed | S 7 mph |
| Barometer | 30.01 in (1015.9 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 15 Oct 10:52 am CDT |
Extended Forecast for
Du Quoin IL
Today

High: 87 °F
T-storms
LikelyTonight

Low: 48 °F
Showers
LikelyFriday
High: 58 °F
Breezy.
Chance
Showers then
Partly SunnyFriday Night

Low: 40 °F
Mostly Cloudy
Saturday

High: 61 °F
Sunny
Saturday Night

Low: 36 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 39 °F
Mostly Clear
Monday

High: 71 °F
Mostly Sunny
Detailed Forecast
Today
Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. South southeast wind 5 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 48. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 40. Northwest wind 11 to 16 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 61. North wind 7 to 10 mph.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming south southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 39. Calm wind.
Monday
Mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 74. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 77. Light and variable wind.
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ABOUT THIS FORECAST
Point Forecast:
Du Quoin IL
38.01°N 89.24°W
38.01°N 89.24°W
11:31 am CDT Oct 15, 2026
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026



