Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
55°F
13°C
| Humidity | 51% |
| Wind Speed | NW 10 G 21 mph |
| Barometer | 30.08 in (1018.6 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 18 Apr 4:52 pm CDT |
Extended Forecast for
Carbondale IL
Tonight

Low: 39 °F
Decreasing
CloudsSunday

High: 69 °F
Sunny
Sunday Night

Low: 42 °F
Mostly Clear
Monday

High: 69 °F
Sunny
Monday Night

Low: 50 °F
Clear
Tuesday

High: 77 °F
Sunny
Tuesday Night

Low: 55 °F
Mostly Clear
Wednesday

High: 79 °F
Sunny
Wednesday Night

Low: 59 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 69. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 42. West wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 69. Light and variable wind becoming east around 5 mph.
Monday Night
Clear, with a low around 50. South southeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 79. Southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Thursday
Sunny, with a high near 83. South wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 22 mph.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 78. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. West southwest wind around 10 mph, with gusts as high as 18 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 72. North northwest wind around 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
3:02 pm CDT Apr 18, 2026
5pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026


