Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
25°F
-4°C
| Humidity | 78% |
| Wind Speed | NE 10 G 18 mph |
| Barometer | 30.48 in (1032.5 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 15°F (-9°C) |
| Last update | 1 Dec 1:52 am CST |
Extended Forecast for
Carbondale IL
Overnight

Low: 21 °F
Mostly Cloudy
Monday
High: 35 °F
Mostly Cloudy
then Chance
Snow ShowersMonday Night
Low: 22 °F
Snow/Sleet
then Snow
Showers
LikelyTuesday

High: 33 °F
Decreasing
CloudsTuesday Night

Low: 22 °F
Mostly Clear
Wednesday

High: 41 °F
Mostly Sunny
Wednesday Night

Low: 22 °F
Mostly Cloudy
Thursday

High: 30 °F
Partly Sunny
Thursday Night
Low: 21 °F
Mostly Cloudy
then Chance
Snow Showers
Detailed Forecast
Overnight
Mostly cloudy, with a low around 21. Northeast wind around 5 mph.
Monday
A 30 percent chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 35. East southeast wind 3 to 6 mph.
Monday Night
Snow showers and sleet before 1am, then a chance of snow showers between 1am and 3am. Low around 22. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 90%. New snow and sleet accumulation of around an inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 33. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 22. Light south wind.
Wednesday
Mostly sunny, with a high near 41. Light south wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 22. Calm wind becoming north northwest 5 to 9 mph after midnight.
Thursday
Partly sunny, with a high near 30. North northwest wind 5 to 9 mph becoming light north northeast in the afternoon.
Thursday Night
A chance of snow showers after midnight. Mostly cloudy, with a low around 21. Calm wind.
Friday
A chance of snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 37. Light and variable wind.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 27. Light southwest wind.
Saturday
Partly sunny, with a high near 42. Southwest wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 30. Light and variable wind.
Sunday
Partly sunny, with a high near 40. West northwest wind 3 to 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
1:56 am CST Dec 1, 2025
2am CST Dec 1, 2025-6pm CST Dec 7, 2025



