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

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

61°F

16°C

Humidity 45%
Wind Speed SW 13 mph
Barometer 29.93 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 27 Feb 8:52 pm CST
Extended Forecast for

Du Quoin IL

  • Tonight

    Tonight: Clear, with a low around 40. South southwest wind 5 to 7 mph becoming north northeast after midnight.

    Low: 40 °F

    Clear

  • Saturday

    Saturday: A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 68. North northeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers between 7pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 49. Northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 49 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain showers likely before 9pm, then rain likely, possibly mixed with snow showers between 9pm and 3am, then rain showers likely after 3am. Cloudy, with a low around 34. East northeast wind around 10 mph. Chance of precipitation is 70%.

    Low: 34 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A 50 percent chance of showers, mainly before noon. Cloudy, with a high near 45. East wind 8 to 10 mph.

    High: 45 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Cloudy, with a low around 40. East wind around 7 mph becoming south after midnight. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 62. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 62 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 51. South southeast wind around 9 mph.

    Low: 51 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 40. South southwest wind 5 to 7 mph becoming north northeast after midnight.
Saturday
A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 68. North northeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers between 7pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Sunday
Increasing clouds, with a high near 49. Northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
Rain showers likely before 9pm, then rain likely, possibly mixed with snow showers between 9pm and 3am, then rain showers likely after 3am. Cloudy, with a low around 34. East northeast wind around 10 mph. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers, mainly before noon. Cloudy, with a high near 45. East wind 8 to 10 mph.
Monday Night
Showers likely, mainly after midnight. Cloudy, with a low around 40. East wind around 7 mph becoming south after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 62. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 51. South southeast wind around 9 mph.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. South wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 53. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 68. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 54. South wind around 9 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
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:
9:36 pm CST Feb 27, 2026
Forecast Valid:
9pm CST Feb 27, 2026-6pm CST Mar 6, 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