Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

54°F

12°C

Humidity 72%
Wind Speed S 8 mph
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 27 Feb 8:47 am CST
Extended Forecast for

Carbondale IL

  • Today

    Today: Sunny, with a high near 70. Southwest wind 6 to 11 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 41. South southwest wind 5 to 9 mph.

    Low: 41 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Northwest wind 5 to 8 mph becoming southeast in the morning.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 50. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 50 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight.  Cloudy, with a low around 36. East northeast wind around 9 mph.  Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers, mainly before noon.  Cloudy, with a high near 46. East northeast wind 7 to 9 mph.

    High: 46 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 39. East northeast wind around 7 mph becoming south southeast after midnight.

    Low: 39 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon.  Cloudy, with a high near 58. South southeast wind 7 to 9 mph becoming southwest in the afternoon.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 70. Southwest wind 6 to 11 mph.
Tonight
Clear, with a low around 41. South southwest wind 5 to 9 mph.
Saturday
Mostly sunny, with a high near 69. Northwest wind 5 to 8 mph becoming southeast in the morning.
Saturday Night
Partly cloudy, with a low around 35. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy, with a high near 50. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Showers likely, mainly after midnight. Cloudy, with a low around 36. East northeast wind around 9 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers, mainly before noon. Cloudy, with a high near 46. East northeast wind 7 to 9 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 39. East northeast wind around 7 mph becoming south southeast after midnight.
Tuesday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 58. South southeast wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southwest wind around 7 mph becoming east in the evening.
Wednesday
A chance of showers and thunderstorms. Cloudy, with a high near 66. South wind 7 to 10 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 70. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
8:41 am CST Feb 27, 2026
9am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

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