Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
34°F
1°C
| Humidity | 67% |
| Wind Speed | SW 8 mph |
| Barometer | 30.08 in (1018.8 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 11 Dec 10:52 am CST |
Extended Forecast for
Carbondale IL
Today

High: 40 °F
Slight Chance
Snow ShowersTonight
Low: 38 °F
Slight Chance
Rain/Snow
then Mostly
CloudyFriday

High: 43 °F
Partly Sunny
Friday Night

Low: 25 °F
Mostly Cloudy
Saturday

High: 34 °F
Mostly Cloudy
Saturday Night

Low: 6 °F
Mostly Cloudy
Sunday

High: 17 °F
Sunny
Sunday Night

Low: 8 °F
Mostly Clear
Monday

High: 35 °F
Sunny
Detailed Forecast
Today
A slight chance of snow showers between 2pm and 5pm. Mostly cloudy, with a high near 40. Southwest wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.
Tonight
A slight chance of rain and snow showers before 7pm. Mostly cloudy, with a steady temperature around 38. South southeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 10%.
Friday
Partly sunny, with a high near 43. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 25. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 34. Calm wind becoming north 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 6. North wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 17. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 8. Light and variable wind.
Monday
Sunny, with a high near 35. Light south wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 25. South southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 43. South wind 5 to 8 mph.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35. South southwest wind 7 to 9 mph.
Wednesday
Mostly cloudy, with a high near 50. South southwest wind 8 to 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
10:36 am CST Dec 11, 2025
11am CST Dec 11, 2025-6pm CST Dec 17, 2025



