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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Du Quoin IL

  • Overnight

    Overnight: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. South wind 5 to 9 mph becoming north northeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Northeast wind 5 to 7 mph becoming south in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 33. South wind 7 to 11 mph becoming north in the evening. Winds could gust as high as 20 mph.

    Low: 33 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 48. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain showers likely before midnight, then rain likely, possibly mixed with snow showers. Cloudy, with a low around 35. East northeast wind around 10 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow showers before noon, then a slight chance of rain showers. Mostly cloudy, with a high near 45. East northeast wind 8 to 10 mph.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 38. East wind around 7 mph.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 36. Calm wind.
Friday
Sunny, with a high near 70. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 42. South wind 5 to 9 mph becoming north northeast after midnight.
Saturday
Mostly sunny, with a high near 67. Northeast wind 5 to 7 mph becoming south in the afternoon.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 33. South wind 7 to 11 mph becoming north in the evening. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy, with a high near 48. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Rain showers likely before midnight, then rain likely, possibly mixed with snow showers. Cloudy, with a low around 35. East northeast wind around 10 mph. Chance of precipitation is 70%.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Mostly cloudy, with a high near 45. East northeast wind 8 to 10 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 38. East wind around 7 mph.
Tuesday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 57. South southeast wind 7 to 9 mph becoming west southwest in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 45. West wind 6 to 8 mph becoming east in the evening.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. South wind 8 to 10 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 69. South southwest wind 10 to 14 mph, with gusts as high as 22 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:
12:17 am CST Feb 27, 2026
Forecast Valid:
2am CST Feb 27, 2026-6pm CST Mar 5, 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