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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

41°F

5°C

Humidity 65%
Wind Speed E 6 mph
Barometer 30.34 in (1027.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Mar 7:52 am CDT
Extended Forecast for

Du Quoin IL

  • Today

    Today: Mostly sunny, with a high near 63. Southeast wind 5 to 7 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. East wind around 6 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. South southwest wind around 15 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. North wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Northeast wind around 7 mph.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. Southeast wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 44. East wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 74. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 62. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 86. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Thursday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. South southwest wind around 15 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. North wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 31. North wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 56. Northeast wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 38. East wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 65. South wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 49. South wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 75. South wind 9 to 13 mph, with gusts as high as 20 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:
7:46 am CDT Mar 24, 2026
Forecast Valid:
8am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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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