Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
31°F
-1°C
| Humidity | 79% |
| Wind Speed | SW 10 mph |
| Barometer | 29.95 in (1014.7 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 8.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 5 Dec 9:52 pm CST |
Extended Forecast for
Carbondale IL
Tonight

Low: 28 °F
Increasing
CloudsSaturday

High: 45 °F
Partly Sunny
Saturday Night

Low: 34 °F
Cloudy
Sunday

High: 46 °F
Mostly Cloudy
Sunday Night
Low: 23 °F
Chance Snow
Showers then
Mostly CloudyMonday

High: 35 °F
Mostly Sunny
Monday Night

Low: 24 °F
Partly Cloudy
Tuesday

High: 47 °F
Mostly Sunny
Tuesday Night

Low: 38 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 28. Southwest wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 45. Light and variable wind.
Saturday Night
Cloudy, with a low around 34. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 46. South wind 5 to 10 mph becoming north in the afternoon.
Sunday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 23. North wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 35. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 8 mph after midnight.
Tuesday
Mostly sunny, with a high near 47. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers, mainly before noon. Partly sunny, with a high near 48. West northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 28. West northwest wind around 7 mph.
Thursday
Partly sunny, with a high near 43. North wind 6 to 8 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 25. South southwest wind around 7 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 36. Northwest wind 7 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
7:27 pm CST Dec 5, 2025
10pm CST Dec 5, 2025-6pm CST Dec 12, 2025


