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

75°F

24°C

Humidity 52%
Wind Speed S 18 G 24 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 10:52 am CDT
Extended Forecast for

Du Quoin IL

  • Today

    Today: A slight chance of showers between 3pm and 4pm. Partly sunny, with a high near 81. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 65. South southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 82. South southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    High: 82 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 8 to 10 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers between 3pm and 4pm. Partly sunny, with a high near 81. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tonight
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 65. South southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Monday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 82. South southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Monday Night
Partly cloudy, with a low around 68. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 8 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 62. South southwest wind 5 to 7 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 18 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Du Quoin IL
 38.01°N 89.24°W
Last Update:
11:31 am CDT Apr 12, 2026
Forecast Valid:
11am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation