Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

68°F

20°C

Humidity 73%
Wind Speed S 3 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Oct 8:52 pm CDT
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 63 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 90. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Southwest wind around 7 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 92. Southwest wind 6 to 10 mph.

    High: 92 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Mostly clear, with a low around 71. South southwest wind around 6 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 85. South southwest wind 3 to 6 mph.  Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. West wind 5 to 10 mph.

    Low: 57 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Calm wind becoming south southwest around 5 mph after midnight.
Columbus Day
Sunny, with a high near 90. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 67. Southwest wind around 7 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 92. Southwest wind 6 to 10 mph.
Tuesday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 71. South southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday
Showers and possibly a thunderstorm. High near 85. South southwest wind 3 to 6 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 68. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 41. North northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 60. North wind 9 to 11 mph.
Saturday Night
Clear, with a low around 37. Light and variable wind.
Sunday
Sunny, with a high near 66. Calm wind becoming south southeast around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
8:52 pm CDT Oct 11, 2026
9pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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