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

30°F

-1°C

Humidity 92%
Wind Speed W 5 mph
Barometer 30.20 in (1022.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 6 Feb 10:52 pm CST
Extended Forecast for

Du Quoin IL

  • Tonight

    Tonight: Mostly clear, with a low around 22. North wind 6 to 8 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34. North northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Southeast wind 3 to 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. South wind 6 to 9 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. South southeast wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. Calm wind becoming south southwest around 5 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. South wind 3 to 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after noon. Mostly cloudy, with a high near 65. South southwest wind 6 to 10 mph.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 43. South southwest wind around 9 mph becoming northwest after midnight.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 22. North wind 6 to 8 mph.
Saturday
Sunny, with a high near 34. North northeast wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Mostly cloudy, with a low around 24. Southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 48. South wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 30. South southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 58. Calm wind becoming south southwest around 5 mph.
Monday Night
Partly cloudy, with a low around 41. South wind 3 to 6 mph.
Tuesday
A chance of showers after noon. Mostly cloudy, with a high near 65. South southwest wind 6 to 10 mph.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 43. South southwest wind around 9 mph becoming northwest after midnight.
Wednesday
A chance of showers. Mostly cloudy, with a high near 53. North northwest wind 7 to 10 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 33. North wind around 6 mph.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 47. North wind 6 to 8 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 31. North northeast wind around 6 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 46. North northeast wind 6 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:
8:42 pm CST Feb 6, 2026
Forecast Valid:
11pm CST Feb 6, 2026-6pm CST Feb 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation