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.

Mostly Cloudy

70°F

21°C

Humidity 73%
Wind Speed SW 14 G 23 mph
Barometer 29.82 in (1009.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Nov 1:52 pm CST
Extended Forecast for

3 Miles SE Du Quoin IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 68. Southwest wind 6 to 10 mph.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Increasing clouds, with a low around 49. Light and variable wind.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 61. Calm wind becoming north around 5 mph.

    High: 61 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 3pm. High near 62. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 55. Light and variable wind. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers. High near 63. Light east wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. North northeast wind around 7 mph.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 61. North wind 3 to 8 mph.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 68. Southwest wind 6 to 10 mph.
Tonight
A 30 percent chance of showers, mainly before 7pm. Increasing clouds, with a low around 49. Light and variable wind.
Wednesday
Cloudy, with a high near 61. Calm wind becoming north around 5 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.
Thursday
Showers, with thunderstorms also possible after 3pm. High near 62. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 55. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers. High near 63. Light east wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. North northeast wind around 7 mph.
Saturday
Partly sunny, with a high near 61. North wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 42. Calm wind.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming west around 6 mph in the morning.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 44. Light south southwest wind.
Monday
A chance of showers. Partly sunny, with a high near 62. Calm wind becoming south southwest 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Du Quoin IL
 37.97°N 89.19°W
Last Update:
1:02 pm CST Nov 18, 2025
Forecast Valid:
2pm CST Nov 18, 2025-6pm CST Nov 24, 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