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.

Thunderstorm Light Rain

80°F

27°C

Humidity 82%
Wind Speed W 16 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 74°F (23°C)
Visibility 4.00 mi
Heat Index85°F (29°C)
Last update 13 Jul 2:52 pm CDT
Extended Forecast for

Du Quoin IL

  • This Afternoon

    This Afternoon: Showers and thunderstorms. High near 88. South southwest wind around 7 mph. Chance of precipitation is 80%.

    High: 88 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm. Cloudy, with a low around 72. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 88 °F

    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. Mostly cloudy, with a low around 73. Light south southeast wind. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 5 to 9 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind 5 to 7 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. South southwest wind 6 to 8 mph.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms. High near 88. South southwest wind around 7 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Cloudy, with a low around 72. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 73. Light south southeast wind. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 5 to 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. South southwest wind 6 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. West southwest wind 5 to 7 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West southwest wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Du Quoin IL
 38.01°N 89.24°W
Last Update:
2:17 pm CDT Jul 13, 2025
Forecast Valid:
3pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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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