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.

Partly Cloudy

47°F

8°C

Humidity 54%
Wind Speed SW 18 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Mar 7:52 am CDT
Extended Forecast for

Du Quoin IL

  • Today

    Today: Partly sunny, with a high near 63. West northwest wind 14 to 17 mph, with gusts as high as 32 mph.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind around 6 mph becoming east after midnight.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. East wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 16 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.

    High: 72 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind 22 to 24 mph becoming west northwest after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 32. Breezy, with a west northwest wind around 22 mph, with gusts as high as 37 mph.

    High: 32 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 29 mph.

    Low: 15 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Northwest wind around 9 mph.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 63. West northwest wind 14 to 17 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind around 6 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 67. East wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 55. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 16 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind 22 to 24 mph becoming west northwest after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 32. Breezy, with a west northwest wind around 22 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 15. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 27. South southeast wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, with a high near 57. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40. South wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 68. South southwest wind 6 to 9 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:
6:11 am CDT Mar 13, 2026
Forecast Valid:
8am CDT Mar 13, 2026-6pm CDT Mar 19, 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