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

Low: 39 °F
Chance
ShowersThursday

High: 58 °F
Mostly Sunny
Thursday Night

Low: 37 °F
Mostly Clear
Friday

High: 66 °F
Sunny
Friday Night

Low: 44 °F
Clear
Saturday

High: 68 °F
Sunny
Saturday Night
Low: 36 °F
Slight Chance
Showers then
Mostly CloudySunday
High: 51 °F
Mostly Cloudy
then Chance
ShowersSunday Night
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
37.72°N 89.23°W
12:01 am CST Feb 26, 2026
12am CST Feb 26, 2026-6pm CST Mar 4, 2026


