Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Light Rain Fog/Mist
45°F
7°C
| Humidity | 97% |
| Wind Speed | NE 7 mph |
| Barometer | 29.83 in (1010.3 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 1.50 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 15 Feb 12:52 am CST |
Extended Forecast for
Carbondale IL
Overnight

Low: 45 °F
Rain
Sunday
High: 55 °F
Rain then
Partly SunnySunday Night

Low: 36 °F
Partly Cloudy
Washington's Birthday

High: 62 °F
Mostly Sunny
Monday Night

Low: 44 °F
Mostly Cloudy
Tuesday

High: 65 °F
Mostly Cloudy
Tuesday Night

Low: 59 °F
Mostly Cloudy
and BreezyWednesday

High: 73 °F
Mostly Sunny
Wednesday Night

Low: 49 °F
Partly Cloudy
Detailed Forecast
Overnight
Rain. Low around 45. Northeast wind 5 to 7 mph. Chance of precipitation is 90%.
Sunday
Rain, mainly before 8am. High near 55. North northeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Partly cloudy, with a low around 36. North wind around 6 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 62. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 65. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 59. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 73. West southwest wind 9 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 49. Southwest wind 5 to 8 mph.
Thursday
A chance of showers, mainly after noon. Mostly sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 46. South southwest wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 58. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 33. Northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 52. Northwest wind 6 to 8 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
12:46 am CST Feb 15, 2026
1am CST Feb 15, 2026-6pm CST Feb 21, 2026


