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.

A Few Clouds

64°F

18°C

Humidity 84%
Wind Speed NW 9 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Mar 6:52 pm CST
Extended Forecast for

Du Quoin IL

Flood Watch until March 5, 12:00pm
Severe T-storm Watch until March 4, 09:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch until March 5, 12:00pm
    Severe T-storm Watch until March 4, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 58 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 3pm. High near 70. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 90%.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 59. West southwest wind 5 to 7 mph becoming south in the evening. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 77. South wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before noon. Mostly cloudy, with a high near 68. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Calm wind becoming southwest around 5 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Some of the storms could be severe. Low around 58. South southwest wind 5 to 8 mph. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms, mainly before 3pm. High near 70. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 59. West southwest wind 5 to 7 mph becoming south in the evening. Chance of precipitation is 60%.
Friday
A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 77. South wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday
Showers likely, mainly before noon. Mostly cloudy, with a high near 68. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 43. North northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 49. South wind 3 to 6 mph.
Monday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 75. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 76. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 52. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Wednesday
Showers likely. Mostly cloudy, with a high near 61. Southwest wind around 16 mph becoming northwest in the afternoon. Winds could gust as high as 25 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:
4:26 pm CST Mar 4, 2026
Forecast Valid:
7pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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