Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Partly Cloudy
40°F
4°C
| Humidity | 77% |
| Wind Speed | S 18 mph |
| Barometer | 29.96 in (1014.7 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 8.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 9 Dec 11:52 am CST |
Extended Forecast for
Carbondale IL
This Afternoon

High: 47 °F
Partly Sunny
Tonight

Low: 43 °F⇑
Mostly Cloudy
and BreezyWednesday

High: 49 °F⇓
Decreasing
Clouds and
BreezyWednesday Night

Low: 28 °F
Mostly Cloudy
Thursday

High: 42 °F
Mostly Cloudy
Thursday Night

Low: 32 °F
Mostly Cloudy
Friday

High: 47 °F
Partly Sunny
Friday Night

Low: 22 °F
Mostly Cloudy
Saturday

High: 33 °F
Partly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 47. South southwest wind 16 to 18 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a temperature rising to around 49 by 4am. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 38 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 49 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a west northwest wind 17 to 22 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 42. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 32. Southeast wind around 6 mph.
Friday
Partly sunny, with a high near 47. Southeast wind 6 to 9 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 22. North northwest wind around 7 mph.
Saturday
Partly sunny, with a high near 33. North northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 13. North wind around 6 mph.
Sunday
Mostly sunny, with a high near 26. North wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 16. North northeast wind around 5 mph becoming light and variable.
Monday
A slight chance of rain and snow showers. Partly sunny, with a high near 37. Southeast wind 5 to 7 mph becoming south southwest in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
10:31 am CST Dec 9, 2025
12pm CST Dec 9, 2025-6pm CST Dec 15, 2025


