Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Carbondale IL
Today
High: 29 °F
Mostly Sunny
then Slight
Chance SnowTonight
Low: 20 °F
Chance Snow
then Mostly
CloudyMonday

High: 39 °F
Mostly Sunny
Monday Night

Low: 26 °F
Mostly Cloudy
Tuesday

High: 37 °F
Slight Chance
Rain/SnowTuesday Night

Low: 20 °F
Mostly Cloudy
Wednesday

High: 31 °F
Partly Sunny
Wednesday Night

Low: 12 °F
Mostly Clear
Thursday

High: 36 °F
Mostly Sunny
Detailed Forecast
Today
A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 29. Wind chill values as low as -3. Calm wind becoming south southwest 5 to 9 mph in the morning.
Tonight
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 20. South southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 39. West southwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 26. Calm wind.
Tuesday
A slight chance of snow showers before 9am, then a slight chance of rain and snow showers between 9am and 3pm, then a slight chance of snow showers after 3pm. Cloudy, with a high near 37. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 20. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 31. North wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 12. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. Southwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 46. West southwest wind 8 to 10 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 22. North northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 33. North wind around 6 mph becoming light and variable in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
4:46 am CST Feb 1, 2026
6am CST Feb 1, 2026-6pm CST Feb 7, 2026



