Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
A Few Clouds
86°F
30°C
| Humidity | 65% |
| Wind Speed | SW 16 mph |
| Barometer | 29.92 in (1012.6 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 15 Oct 2:52 pm CDT |
Extended Forecast for
Carbondale IL
This Afternoon

High: 87 °F
Showers
LikelyTonight
Low: 49 °F
Chance
T-storms then
Chance
ShowersFriday
High: 58 °F
Slight Chance
Showers then
Partly SunnyFriday Night

Low: 40 °F
Mostly Cloudy
Saturday

High: 60 °F
Sunny
Saturday Night

Low: 36 °F
Clear
Sunday

High: 66 °F
Areas Frost
then SunnySunday Night

Low: 40 °F
Mostly Clear
Monday

High: 70 °F
Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 87. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 49. West southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Friday
A 10 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 40. North wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 60. North northeast wind 6 to 9 mph.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming southeast around 5 mph.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
Sunny, with a high near 70. Calm wind becoming south around 5 mph.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 74. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 77. Light and variable wind.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
1:51 pm CDT Oct 15, 2026
3pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026



