Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

De Soto IL

  • Overnight

    Overnight: Clear, with a low around 51. Light north wind.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 77. Northeast wind 3 to 7 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the morning.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Light east wind.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 51. Light north wind.
Monday
Sunny, with a high near 77. Northeast wind 3 to 7 mph.
Monday Night
Clear, with a low around 48. Calm wind.
Tuesday
Sunny, with a high near 78. Light and variable wind.
Tuesday Night
Clear, with a low around 50. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 55. Light and variable wind.
Thursday
Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 54. Light east wind.
Friday
Sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming south southeast 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 57. Light southeast wind.
Sunday
A slight chance of showers. Mostly sunny, with a high near 82. East southeast wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
De Soto IL
 37.81°N 89.23°W
12:00 am CDT Oct 5, 2026
1am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
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Additional Resources

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