Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

60°F

16°C

Humidity 93%
Wind Speed S 8 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 5 Mar 8:52 am CST
Extended Forecast for

3 Miles WSW Du Quoin IL

Flood Watch March 5, 09:06am until March 5, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 5, 09:06am until March 5, 12:00pm

    NOW until 12:00pm Thu

    Flood Watch

  • Today

    High: 71 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Widespread fog, mainly after 5am.  Otherwise, mostly cloudy, with a low around 59. Light and variable wind becoming south 5 to 7 mph in the evening.

    Low: 59 °F

    Chance
    T-storms and
    Fog

  • Friday

    Friday: A 30 percent chance of showers after noon.  Widespread fog before 7am.  Otherwise, partly sunny, with a high near 77. South wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 77 °F

    Fog then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, 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
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 70. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming west around 5 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. South southwest wind 3 to 6 mph.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Today
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 71. South wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 50%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Widespread fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 59. Light and variable wind becoming south 5 to 7 mph in the evening.
Friday
A 30 percent chance of showers after noon. Widespread fog before 7am. Otherwise, partly sunny, with a high near 77. South wind 8 to 17 mph, with gusts as high as 28 mph.
Friday Night
A slight chance of showers, 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 and possibly a thunderstorm. High near 70. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 63. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 47. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 60. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 55. South southwest wind around 16 mph, with gusts as high as 28 mph.
Wednesday
Showers. Mostly cloudy, with a high near 63. Southwest wind around 16 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Du Quoin IL
 37.99°N 89.3°W
7:06 am CST Mar 5, 2026
9am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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