Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
55°F
13°C
| Humidity | 64% |
| Wind Speed | S 3 mph |
| Barometer | 30.19 in (1022.1 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 1:52 am CDT |
Extended Forecast for
Carbondale IL
Overnight

Low: 54 °F
Clear
Thursday

High: 78 °F
Sunny
Thursday Night

Low: 57 °F
Mostly Clear
Friday
High: 79 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 56 °F
Chance
T-storms then
Chance
ShowersSaturday
High: 80 °F
Partly Sunny
then Chance
T-stormsSaturday Night

Low: 61 °F
Partly Cloudy
Sunday

High: 82 °F
Partly Sunny
Sunday Night
Low: 65 °F
Slight Chance
T-storms then
Chance
Showers
Detailed Forecast
Overnight
Clear, with a low around 54. South wind around 8 mph.
Thursday
Sunny, with a high near 78. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 57. South wind around 7 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Light and variable wind becoming south southeast around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 61. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 82. South southwest wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. South wind 13 to 15 mph, with gusts as high as 25 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. South southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 68. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. South southwest wind 11 to 15 mph, with gusts as high as 23 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
1:21 am CDT Apr 9, 2026
2am CDT Apr 9, 2026-6pm CDT Apr 15, 2026


