Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

68°F

20°C

Humidity 70%
Wind Speed S 9 mph
Barometer 29.76 in (1007.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Mar 2:52 am CDT
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: Clear, with a steady temperature around 67. South southwest wind around 8 mph.

    Low: 67 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 38. North wind 14 to 17 mph, with gusts as high as 31 mph.

    Low: 38 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 58. North northeast wind around 11 mph, with gusts as high as 21 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Northeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Southeast wind 3 to 6 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Light southeast wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 62. South wind 7 to 9 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a steady temperature around 67. South southwest wind around 8 mph.
Sunday
Sunny, with a high near 87. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 38. North wind 14 to 17 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 58. North northeast wind around 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 40. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 66. Southeast wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 46. Light southeast wind.
Wednesday
Partly sunny, with a high near 74. Light south wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 7 to 9 mph.
Thursday
Sunny, with a high near 85. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. South southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 55. North northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 34. North northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 58. East northeast wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
1:26 am CDT Mar 22, 2026
3am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
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Additional Resources

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