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 and Breezy

82°F

28°C

Humidity 44%
Wind Speed S 21 G 32 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 Apr 3:52 pm CDT
Extended Forecast for

Du Quoin IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. South southwest wind around 16 mph, with gusts as high as 24 mph.

    High: 82 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, then gradually becoming sunny, with a high near 81. West southwest wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 59. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 69. Southwest wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. South southwest wind around 16 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, then gradually becoming sunny, with a high near 81. West southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 59. South wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 69. Southwest wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 65. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 42. North northwest wind 5 to 7 mph becoming south southeast after midnight.
Monday
Sunny, with a high near 71. South wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 50. South wind around 7 mph.
Tuesday
Sunny, with a high near 76. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
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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:
1:21 pm CDT Apr 15, 2026
Forecast Valid:
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 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