Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
31°F
-1°C
| Humidity | 54% |
| Wind Speed | NW 13 mph |
| Barometer | 30.50 in (1033.1 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 11 Jan 9:52 am CST |
Extended Forecast for
Carbondale IL
Today

High: 40 °F
Sunny
Tonight

Low: 27 °F
Clear
Monday

High: 51 °F
Sunny
Monday Night

Low: 36 °F
Partly Cloudy
Tuesday

High: 59 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Mostly Cloudy
then Slight
Chance
ShowersWednesday

High: 46 °F
Slight Chance
ShowersWednesday Night

Low: 20 °F
Mostly Cloudy
Thursday

High: 37 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 40. North northwest wind 5 to 9 mph becoming light west northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
Clear, with a low around 27. Calm wind becoming south southwest around 6 mph after midnight.
Monday
Sunny, with a high near 51. Southwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 36. South southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 59. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. West wind 6 to 10 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 46. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 20. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 37. North northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 27. South wind 5 to 8 mph.
Friday
Partly sunny, with a high near 44. West wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 25. West wind around 7 mph.
Saturday
Partly sunny, with a high near 36. West northwest wind 7 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.2°W
37.72°N 89.2°W
10:36 am CST Jan 11, 2026
10am CST Jan 11, 2026-6pm CST Jan 17, 2026


