Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
36°F
2°C
| Humidity | 27% |
| Wind Speed | S 13 mph |
| Barometer | 30.34 in (1028.1 mb) |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 20 Jan 3:52 pm CST |
Extended Forecast for
Carbondale IL
This Afternoon
High: 35 °F
Sunny
Tonight
Low: 28 °F⇑
Mostly Clear
then Slight
Chance SnowWednesday
High: 47 °F
Decreasing
CloudsWednesday Night
Low: 25 °F
Mostly Clear
Thursday
High: 40 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Mostly Cloudy
Friday
High: 22 °F
Mostly Cloudy
Friday Night
Low: 6 °F
Chance Snow
Saturday
High: 15 °F
Snow Likely
Detailed Forecast
This Afternoon
Sunny, with a high near 35. South wind around 9 mph.
Tonight
A 20 percent chance of snow after 3am. Increasing clouds, with a temperature falling to near 28 by 8pm, then rising to around 35 during the remainder of the night. South wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 47. West southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 25. West southwest wind around 5 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 40. North wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 17. Light north northeast wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 18 mph.
Friday
Mostly cloudy, with a high near 22. North wind around 14 mph, with gusts as high as 23 mph.
Friday Night
A chance of snow, mainly after midnight. Cloudy, with a low around 6. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 15. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. North wind 7 to 10 mph.
Sunday
Partly sunny, with a high near 22. North wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 8. Light northwest wind.
Monday
Mostly sunny, with a high near 25. West northwest wind 3 to 6 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
3:16 pm CST Jan 20, 2026
4pm CST Jan 20, 2026-6pm CST Jan 26, 2026
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