Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
68°F
20°C
| Humidity | 73% |
| Wind Speed | S 3 mph |
| Barometer | 29.99 in (1015.4 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 11 Oct 8:52 pm CDT |
Extended Forecast for
Carbondale IL
Tonight

Low: 63 °F
Mostly Clear
Columbus Day

High: 90 °F
Sunny
Monday Night

Low: 67 °F
Mostly Clear
Tuesday

High: 92 °F
Becoming
SunnyTuesday Night
Low: 71 °F
Mostly Clear
then Slight
Chance
T-stormsWednesday

High: 85 °F
Showers
Wednesday Night

Low: 66 °F
Showers
LikelyThursday

High: 81 °F
Showers
LikelyThursday Night

Low: 57 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 63. Calm wind becoming south southwest around 5 mph after midnight.
Columbus Day
Sunny, with a high near 90. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 67. Southwest wind around 7 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 92. Southwest wind 6 to 10 mph.
Tuesday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 71. South southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday
Showers and possibly a thunderstorm. High near 85. South southwest wind 3 to 6 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 68. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 41. North northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 60. North wind 9 to 11 mph.
Saturday Night
Clear, with a low around 37. Light and variable wind.
Sunday
Sunny, with a high near 66. Calm wind becoming south southeast around 6 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
8:52 pm CDT Oct 11, 2026
9pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026


