National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair and Breezy

41°F

5°C

Humidity 45%
Wind Speed S 22 G 31 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 11 Nov 10:52 am CST
Extended Forecast for

Carbondale IL

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 50. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Clear, with a low around 37. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. West northwest wind 3 to 7 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. South wind 3 to 6 mph.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 72. South wind 6 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. South southwest wind 7 to 9 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Partly sunny, with a high near 50. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 37. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 64. West northwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 38. Calm wind.
Thursday
Partly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 72. South wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 56. South southwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 74. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
A chance of showers, mainly after midnight. Partly cloudy, with a low around 56. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of showers. Mostly sunny, with a high near 70. West wind 9 to 11 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 47. West wind 5 to 8 mph.
Monday
A chance of showers. Partly sunny, with a high near 59. South southeast wind 7 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
9:16 am CST Nov 11, 2025
Forecast Valid:
11am CST Nov 11, 2025-6pm CST Nov 17, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation