Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy

69°F

21°C

Humidity 87%
Wind Speed Calm
Barometer 29.94 in (1013.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 11:52 pm CDT
Extended Forecast for

Bush ILSimilar City Names

Lake Wind Advisory June 21, 12:00pm until June 21, 07:00pm
Click here for hazard details and duration
Lake Wind Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Increasing clouds, with a high near 88. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 70%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could produce heavy rainfall.  Low around 70. Southwest wind 11 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%.

    Low: 70 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm.  Mostly cloudy, with a high near 81. West southwest wind 9 to 11 mph becoming north northwest in the afternoon.  Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light  in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Light north wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Calm wind.
Sunday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 88. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could produce heavy rainfall. Low around 70. Southwest wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 81. West southwest wind 9 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 82. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 63. Light north wind.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. Light and variable wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Bush ILSimilar City Names
 37.85°N 89.14°W
11:46 pm CDT Jun 20, 2026
12am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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