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Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
A Few Clouds
83°F
28°C
| Humidity | 48% |
| Wind Speed | W 7 mph |
| Barometer | 30.02 in (1016.0 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 20 Jun 11:52 am CDT |
Extended Forecast for
Carbondale IL
This Afternoon
High: 88 °F
Sunny
Tonight
Low: 67 °F
Mostly Clear
Sunday
High: 88 °F
Chance
T-storms then
Showers
LikelySunday Night
Low: 71 °F
Heavy Rain
then ShowersMonday
High: 82 °F
Showers
LikelyMonday Night
Low: 63 °F
Partly Cloudy
Tuesday
High: 83 °F
Mostly Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 86 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 88. Light west northwest wind.
Tonight
Mostly clear, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 88. Light south southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am. Some of the storms could produce heavy rainfall. Low around 71. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Monday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly cloudy, with a high near 82. West southwest wind 8 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 63. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Light and variable wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 64. Light and variable wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Light and variable wind.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
12:06 pm CDT Jun 20, 2026
12pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
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