Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
66°F
19°C
| Humidity | 68% |
| Wind Speed | S 7 mph |
| Barometer | 29.88 in (1011.4 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 11:52 pm CDT |
Extended Forecast for
Carbondale IL
Overnight

Low: 56 °F
Partly Cloudy
Saturday

High: 85 °F
Sunny
Saturday Night

Low: 62 °F
Clear
Sunday

High: 87 °F
Sunny
Sunday Night

Low: 40 °F
Chance
ShowersMonday

High: 59 °F
Mostly Sunny
Monday Night

Low: 42 °F
Mostly Cloudy
Tuesday

High: 61 °F
Partly Sunny
Tuesday Night

Low: 46 °F
Slight Chance
Showers
Detailed Forecast
Overnight
Partly cloudy, with a low around 56. Light and variable wind becoming west southwest around 6 mph.
Saturday
Sunny, with a high near 85. Light and variable wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 62. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 87. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Sunday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 40. North wind 13 to 17 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 59. North northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 42. Northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 61. East wind 3 to 6 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 46. Light south southeast wind.
Wednesday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 71. South wind 5 to 8 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 56. South wind around 8 mph.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 82. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. North wind around 11 mph, with gusts as high as 20 mph.
Friday
A chance of showers. Partly sunny, with a high near 63. North northeast wind around 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
12:46 am CDT Mar 21, 2026
12am CDT Mar 21, 2026-6pm CDT Mar 27, 2026



