Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair and Breezy
78°F
26°C
| Humidity | 28% |
| Wind Speed | S 24 G 33 mph |
| Barometer | 30.06 in (1017.7 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 21 Apr 3:52 pm CDT |
Extended Forecast for
Carbondale IL
This Afternoon

High: 78 °F
Mostly Sunny
Tonight

Low: 54 °F
Clear
Wednesday

High: 78 °F
Sunny
Wednesday Night

Low: 57 °F
Clear
Thursday

High: 81 °F
Sunny
Thursday Night
Low: 63 °F
Partly Cloudy
then Chance
ShowersFriday

High: 77 °F
Showers
Friday Night

Low: 57 °F
Showers
LikelySaturday

High: 78 °F
Slight Chance
Showers
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 78. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 54. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 78. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 57. South wind around 6 mph.
Thursday
Sunny, with a high near 81. South wind 6 to 15 mph, with gusts as high as 24 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm. High near 77. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers. Mostly sunny, with a high near 78. North northeast wind 3 to 7 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 54. North northeast wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. East wind 3 to 7 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. East southeast wind 6 to 9 mph.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 80. South wind 11 to 14 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.2°W
37.72°N 89.2°W
1:26 pm CDT Apr 21, 2026
4pm CDT Apr 21, 2026-6pm CDT Apr 27, 2026



