Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

59°F

15°C

Humidity 46%
Wind Speed E 8 mph
Barometer 30.29 in (1025.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 7 Apr 4:52 pm CDT
Extended Forecast for

Du Quoin IL

  • Tonight

    Tonight: Mostly clear, with a low around 40. East wind around 7 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. East southeast wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind 7 to 9 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. South wind around 8 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 76. South southwest wind 7 to 10 mph becoming west in the afternoon.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Northeast wind 3 to 5 mph.

    Low: 55 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 77. East northeast wind around 7 mph becoming southeast in the afternoon.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. East southeast wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. East southeast wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 7 to 9 mph.
Thursday
Sunny, with a high near 77. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. South wind around 8 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. South southwest wind 7 to 10 mph becoming west in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northeast wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 77. East northeast wind around 7 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. East southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 83. South wind 7 to 16 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 11 to 15 mph, with gusts as high as 25 mph.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 29 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. South southwest wind 14 to 17 mph, with gusts as high as 25 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
4:07 pm CDT Apr 7, 2026
5pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database