Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
45°F
7°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 29.92 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 26 Feb 8:52 pm CST |
Extended Forecast for
Carbondale IL
Tonight

Low: 36 °F
Clear
Friday
High: 68 °F
Patchy Fog
then SunnyFriday Night

Low: 43 °F
Clear
Saturday

High: 67 °F
Mostly Sunny
Saturday Night

Low: 35 °F
Mostly Clear
Sunday
High: 46 °F
Mostly Cloudy
then Chance
ShowersSunday Night

Low: 34 °F
Rain/Snow
LikelyMonday
High: 44 °F
Chance
Rain/Snow
then Slight
Chance
ShowersMonday Night

Low: 33 °F
Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 36. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 68. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 43. South southwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 67. Northwest wind 5 to 7 mph becoming south southeast in the morning.
Saturday Night
Mostly clear, with a low around 35. South wind 7 to 10 mph becoming north in the evening. Winds could gust as high as 18 mph.
Sunday
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 46. Northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
Rain and snow showers likely. Cloudy, with a low around 34. Northeast wind around 10 mph. Chance of precipitation is 70%.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Mostly cloudy, with a high near 44. East northeast wind 7 to 10 mph.
Monday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 33. East northeast wind around 6 mph.
Tuesday
A chance of showers. Cloudy, with a high near 51. East wind 5 to 8 mph becoming south in the morning.
Tuesday Night
Showers likely. Cloudy, with a low around 41. South wind around 7 mph.
Wednesday
A chance of showers. Cloudy, with a high near 61. South wind 7 to 10 mph.
Wednesday Night
Showers likely. Cloudy, with a low around 52. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms likely. Cloudy, with a high near 68. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
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
9:13 pm CST Feb 26, 2026
10pm CST Feb 26, 2026-6pm CST Mar 5, 2026


