Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
29°F
-2°C
| Humidity | 72% |
| Wind Speed | N 8 mph |
| Barometer | 30.31 in (1026.7 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 22 Feb 12:52 am CST |
Extended Forecast for
Carbondale IL
Overnight

Low: 23 °F
Mostly Clear
Sunday

High: 34 °F
Mostly Sunny
and BreezySunday Night

Low: 16 °F
Mostly Clear
Monday

High: 34 °F
Becoming
SunnyMonday Night

Low: 19 °F
Mostly Clear
Tuesday

High: 50 °F
Partly Sunny
Tuesday Night

Low: 40 °F
Mostly Cloudy
Wednesday

High: 59 °F
Mostly Cloudy
Wednesday Night

Low: 42 °F
Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 23. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 34. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 16. North northwest wind around 14 mph, with gusts as high as 23 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 34. North northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 19. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 50. South southwest 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 40. Southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 59. West southwest wind 6 to 8 mph.
Wednesday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 42. South wind 6 to 9 mph.
Thursday
A chance of showers. Partly sunny, with a high near 55. Southwest wind 8 to 10 mph becoming north northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 30. North northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny, with a high near 59. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South wind around 7 mph.
Saturday
A slight chance of showers. Sunny, with a high near 64. South wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.2°W
37.72°N 89.2°W
1:21 am CST Feb 22, 2026
1am CST Feb 22, 2026-6pm CST Feb 28, 2026


