National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

53°F

12°C

Humidity 77%
Wind Speed SE 6 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 9 Nov 7:52 pm CST
Extended Forecast for

Du Quoin IL

  • Tonight

    Tonight: Clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. West northwest wind around 5 mph becoming calm in the afternoon.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 40 percent chance of showers after noon. Mostly sunny, with a high near 71. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. North northwest wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Northwest wind 13 to 17 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. North northwest wind 7 to 13 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. North northwest wind 7 to 14 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. North northwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 43. Light and variable wind.
Tuesday
Sunny, with a high near 70. West northwest wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Veterans Day
A 40 percent chance of showers after noon. Mostly sunny, with a high near 71. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 44. North northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 53. Northwest wind 13 to 17 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 31. North northwest wind 7 to 13 mph.
Friday
Mostly sunny, with a high near 48. North northwest wind 7 to 14 mph.
Friday Night
Mostly clear, with a low around 28. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 52. Light northwest wind.
Saturday Night
Mostly clear, with a low around 31. Calm wind.
Sunday
A slight chance of showers. Mostly sunny, with a high near 57. Calm wind becoming south 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 38. South southeast wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Du Quoin IL
 38.01°N 89.24°W
Last Update:
7:11 pm CST Nov 9, 2026
Forecast Valid:
7pm CST Nov 9, 2026-6pm CST Nov 16, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation