Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
65°F
18°C
| Humidity | 90% |
| Wind Speed | S 5 mph |
| Barometer | 29.77 in (1007.6 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 8:52 am CDT |
Extended Forecast for
Carbondale IL
Today
High: 68 °F⇓
Showers
Tonight
Low: 33 °F
Decreasing
CloudsThursday
High: 55 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Clear
then Partly
Cloudy and
BreezyFriday
High: 63 °F
Mostly Sunny
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 67 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Cloudy
Sunday
High: 69 °F
Showers
Likely and
Breezy
Detailed Forecast
Today
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a slight chance of showers after 4pm. Temperature rising to near 68 by 11am, then falling to around 48 during the remainder of the day. Southwest wind 13 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. North northwest wind 9 to 18 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 55. Northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 42. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 23 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 38. West northwest wind around 6 mph becoming light and variable.
Saturday
Sunny, with a high near 67. East wind 6 to 10 mph becoming south southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 55. South southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday
A chance of showers and thunderstorms, then showers likely after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 17 to 23 mph, with gusts as high as 36 mph.
Sunday Night
A chance of showers before 1am. Mostly cloudy, with a low around 28. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 41. Northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 22. North northwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 44. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
8:41 am CDT Mar 11, 2026
9am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
