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

90°F

32°C

Humidity 37%
Wind Speed SW 15 G 29 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 12 Oct 2:52 pm CDT
Extended Forecast for

Du Quoin IL

  • Columbus Day

    Columbus Day: Sunny, with a high near 92. Southwest wind around 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. Southwest wind 6 to 9 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. South southwest wind 6 to 11 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. South southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Clear then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 84. West wind 3 to 7 mph. Chance of precipitation is 90%.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 55. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 55 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 66. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 29 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Sunny, with a high near 92. Southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 65. Southwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 95. South southwest wind 6 to 11 mph.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. South southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 84. West wind 3 to 7 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 55. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 66. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 41. North wind 7 to 17 mph.
Saturday
Sunny, with a high near 63. Northeast wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 38. Light and variable wind.
Sunday
Sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Du Quoin IL
 38.01°N 89.24°W
Last Update:
2:36 pm CDT Oct 12, 2026
Forecast Valid:
3pm CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation