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

28°C

82°F

Humidity 79%
Wind Speed S 17 km/h
Barometer 1014.1 mb (29.96 in)
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 12 Jul 7:52 pm CDT
Extended Forecast for

Du Quoin IL

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 22. Southwest wind 5 to 8 km/h becoming calm in the evening.

    Low: 22 °C

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 32. Calm wind becoming south southwest 5 to 8 km/h in the afternoon. Chance of precipitation is 70%.

    High: 32 °C

    Slight Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 32. Calm wind becoming south 5 to 10 km/h in the morning.

    High: 32 °C

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 22. South southeast wind 3 to 8 km/h. Chance of precipitation is 20%.

    Low: 22 °C

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 33. Light south wind becoming south southwest 8 to 13 km/h in the morning. Chance of precipitation is 50%.

    High: 33 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. South southwest wind 5 to 10 km/h.

    Low: 23 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34. Southwest wind 8 to 13 km/h.

    High: 34 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23. South southwest wind 8 to 11 km/h.

    Low: 23 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 22. Southwest wind 5 to 8 km/h becoming calm in the evening.
Sunday
Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 32. Calm wind becoming south southwest 5 to 8 km/h in the afternoon. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 32. Calm wind becoming south 5 to 10 km/h in the morning.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 22. South southeast wind 3 to 8 km/h. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 33. Light south wind becoming south southwest 8 to 13 km/h in the morning. Chance of precipitation is 50%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. South southwest wind 5 to 10 km/h.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34. Southwest wind 8 to 13 km/h.
Wednesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23. South southwest wind 8 to 11 km/h.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. South southwest wind 10 to 13 km/h.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Southwest wind 5 to 11 km/h.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. North northwest wind 8 to 11 km/h becoming west in the morning.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 22. West northwest wind 5 to 10 km/h becoming calm after midnight.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. East wind 5 to 10 km/h becoming west 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:
6:32 pm CDT Jul 12, 2025
Forecast Valid:
8pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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