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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.19 in (1021.9 mb)
Dewpoint 67°F (19°C)
Visibility 3.00 mi
Last update 6 Aug 1:52 am CDT
Extended Forecast for

Du Quoin IL

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Light south wind.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the morning.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 71. South southeast wind 3 to 6 mph.

    Low: 71 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 93. South wind 5 to 8 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South southeast wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 68. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny, with a high near 92. Light south wind.
Thursday Night
Mostly clear, with a low around 70. Light south southeast wind.
Friday
Sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Clear, with a low around 71. South southeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 93. South wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 72. South southeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 94. South wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 72. South wind 3 to 6 mph.
Monday
Sunny, with a high near 94. South wind 5 to 8 mph.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. South wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind 5 to 8 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:
1:45 am CDT Aug 6, 2025
Forecast Valid:
1am CDT Aug 6, 2025-6pm CDT Aug 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation