Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
25°F
-4°C
| Humidity | 50% |
| Wind Speed | S 9 mph |
| Barometer | 30.06 in (1018.7 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 18 Jan 6:52 pm CST |
Extended Forecast for
Carbondale IL
Tonight
Low: 15 °F
Partly Cloudy
M.L.King Day
High: 19 °F
Mostly Sunny
Monday Night
Low: 12 °F
Mostly Clear
Tuesday
High: 37 °F
Sunny
Tuesday Night
Low: 27 °F
Partly Cloudy
Wednesday
High: 46 °F
Slight Chance
Showers then
Mostly SunnyWednesday Night
Low: 24 °F
Partly Cloudy
Thursday
High: 37 °F
Sunny
Thursday Night
Low: 23 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 15. South southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Mostly sunny, with a steady temperature around 19. Wind chill values as low as zero. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 12. Calm wind.
Tuesday
Sunny, with a high near 37. Calm wind becoming south southwest 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 27. South wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 46. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 24. West southwest wind around 6 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 37. West northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 23. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Partly sunny, with a high near 41. South southwest wind 6 to 9 mph becoming north in the afternoon.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 21. North northeast wind 7 to 10 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers and freezing rain. Mostly cloudy, with a low around 10. North wind around 10 mph.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 22. North wind around 9 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
6:32 pm CST Jan 18, 2026
7pm CST Jan 18, 2026-6pm CST Jan 25, 2026
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