Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog/Mist
37°F
3°C
| Humidity | 93% |
| Wind Speed | SE 5 mph |
| Barometer | 29.94 in (1014.1 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 4.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 7 Dec 4:52 am CST |
Extended Forecast for
Carbondale IL
Today

High: 45 °F
Slight Chance
DrizzleTonight

Low: 26 °F
Cloudy
Monday

High: 37 °F
Gradual
ClearingMonday Night

Low: 27 °F
Mostly Clear
Tuesday

High: 49 °F
Mostly Sunny
Tuesday Night

Low: 42 °F
Mostly Cloudy
Wednesday

High: 52 °F
Partly Sunny
Wednesday Night
Low: 30 °F
Slight Chance
Rain then
Slight Chance
Rain/SnowThursday
High: 40 °F
Chance
Rain/Snow
then Chance
Rain
Detailed Forecast
Today
A slight chance of drizzle. Mostly cloudy, with a high near 45. Light and variable wind becoming north 5 to 10 mph in the morning.
Tonight
Cloudy, with a low around 26. North wind 8 to 10 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 37. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 27. Light south southeast wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 49. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southwest wind around 15 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 52. Southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Northwest wind around 6 mph becoming calm.
Thursday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 40. East wind 6 to 8 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 21. North northwest wind 6 to 10 mph.
Friday
Partly sunny, with a high near 29. North northwest wind around 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 9. Northwest wind around 9 mph.
Saturday
Mostly sunny, with a high near 24. Northwest wind 6 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
5:06 am CST Dec 7, 2025
5am CST Dec 7, 2025-6pm CST Dec 13, 2025


