Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
81°F
27°C
| Humidity | 58% |
| Wind Speed | N 3 mph |
| Barometer | 30.14 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 28 Aug 10:52 am CDT |
Extended Forecast for
Carbondale IL
Today

High: 88 °F
Sunny
Tonight

Low: 64 °F
Mostly Clear
Saturday

High: 90 °F
Increasing
CloudsSaturday Night

Low: 66 °F
Partly Cloudy
Sunday

High: 93 °F
Sunny
Sunday Night

Low: 72 °F
Mostly Clear
Monday

High: 95 °F
Sunny
Monday Night

Low: 74 °F
Mostly Clear
Tuesday

High: 96 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 88. North northeast wind around 6 mph.
Tonight
Mostly clear, with a low around 64. Calm wind.
Saturday
Increasing clouds, with a high near 90. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 93. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 72. South wind 3 to 5 mph.
Monday
Sunny, with a high near 95. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 74. South wind 3 to 6 mph.
Tuesday
Sunny, with a high near 96. South southwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind 3 to 6 mph.
Wednesday
Sunny and hot, with a high near 97. South southwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 3 to 5 mph.
Thursday
A slight chance of showers. Sunny and hot, with a high near 98. Calm wind becoming southwest 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
5:41 am CDT Aug 28, 2026
11am CDT Aug 28, 2026-6pm CDT Sep 3, 2026


