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

Carbondale IL

  • Overnight

    Overnight: A 50 percent chance of showers, mainly between 1am and 5am.  Mostly cloudy, with a low around 39. Calm wind becoming north northeast around 6 mph.

    Low: 39 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 58. East northeast wind around 6 mph becoming calm  in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44. South southwest wind 5 to 7 mph.

    Low: 44 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 68. West southwest wind 5 to 9 mph becoming east in the morning.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 36. South wind 8 to 10 mph becoming north in the evening. Winds could gust as high as 18 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after noon.  Cloudy, with a high near 51. East northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain showers likely before midnight, then rain likely, possibly mixed with snow showers.  Cloudy, with a low around 34. East northeast wind around 10 mph.

    Low: 34 °F

    Showers
    Likely then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 39. Calm wind becoming north northeast around 6 mph.
Thursday
Mostly sunny, with a high near 58. East northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 37. Calm wind.
Friday
Sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 44. South southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 68. West southwest wind 5 to 9 mph becoming east in the morning.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. South wind 8 to 10 mph becoming north in the evening. Winds could gust as high as 18 mph.
Sunday
A chance of showers after noon. Cloudy, with a high near 51. East northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
Rain showers likely before midnight, then rain likely, possibly mixed with snow showers. Cloudy, with a low around 34. East northeast wind around 10 mph.
Monday
A chance of rain and snow showers before noon, then a chance of rain showers. Cloudy, with a high near 44. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers. Cloudy, with a low around 33. East northeast wind 6 to 8 mph.
Tuesday
A chance of showers. Cloudy, with a high near 50. East wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 37. North northeast wind around 6 mph.
Wednesday
A chance of showers. Cloudy, with a high near 57. East wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
12:01 am CST Feb 26, 2026
12am CST Feb 26, 2026-6pm CST Mar 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database