Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
26°F
-3°C
| Humidity | 57% |
| Wind Speed | W 5 mph |
| Barometer | 30.14 in (1021.0 mb) |
| Dewpoint | 13°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 19 Jan 2:52 am CST |
Extended Forecast for
Carbondale IL
Overnight

Low: 25 °F
Partly Cloudy
M.L.King Day

High: 23 °F
Mostly Sunny
Monday Night

Low: 13 °F
Mostly Clear
Tuesday

High: 38 °F
Sunny
Tuesday Night

Low: 28 °F
Partly Cloudy
Wednesday

High: 48 °F
Mostly Sunny
Wednesday Night

Low: 26 °F
Partly Cloudy
Thursday

High: 38 °F
Mostly Sunny
Thursday Night

Low: 22 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 25. Light and variable wind becoming west northwest 5 to 10 mph. Winds could gust as high as 23 mph.
M.L.King Day
Mostly sunny, with a high near 23. Northwest wind 6 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 13. Calm wind.
Tuesday
Sunny, with a high near 38. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 28. South wind 8 to 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 48. Southwest wind 6 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 26. Southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming north northeast around 6 mph after midnight.
Friday
Mostly cloudy, with a high near 31. North wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 6. North wind around 11 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 18. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 9. North northeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 25. North northeast wind around 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.2°W
37.72°N 89.2°W
3:48 am CST Jan 19, 2026
3am CST Jan 19, 2026-6pm CST Jan 25, 2026



