Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
26°F
-3°C
| Humidity | 37% |
| Wind Speed | S 13 mph |
| Barometer | 30.51 in (1033.7 mb) |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 15°F (-9°C) |
| Last update | 20 Jan 10:52 am CST |
Extended Forecast for
Carbondale IL
Today
High: 35 °F
Decreasing
CloudsTonight
Low: 29 °F⇑
Increasing
CloudsWednesday
High: 46 °F
Slight Chance
Showers then
Mostly SunnyWednesday Night
Low: 25 °F
Mostly Clear
Thursday
High: 40 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Partly Cloudy
Friday
High: 24 °F
Mostly Cloudy
Friday Night
Low: 6 °F
Chance Snow
ShowersSaturday
High: 17 °F
Chance Snow
Showers
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 35. South wind 7 to 10 mph.
Tonight
Increasing clouds, with a temperature falling to near 29 by 11pm, then rising to around 34 during the remainder of the night. South wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 46. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 25. Southwest wind around 5 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 40. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 17. Calm wind becoming north northeast 5 to 7 mph after midnight.
Friday
Mostly cloudy, with a high near 24. North wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 6. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 17. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 9. North northeast wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 24. North wind 6 to 8 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 8. West wind 3 to 5 mph.
Monday
Sunny, with a high near 27. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
10:52 am CST Jan 20, 2026
11am CST Jan 20, 2026-6pm CST Jan 26, 2026
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