Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
61°F
16°C
| Humidity | 97% |
| Wind Speed | S 6 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 8.00 mi |
| Last update | 25 Dec 7:52 pm CST |
Extended Forecast for
Carbondale IL
Tonight

Low: 61 °F
Mostly Cloudy
Friday
High: 73 °F
Patchy Fog
then Mostly
SunnyFriday Night

Low: 48 °F
Partly Cloudy
Saturday

High: 68 °F
Partly Sunny
Saturday Night

Low: 62 °F
Slight Chance
ShowersSunday
High: 71 °F
Chance
Showers then
Showers
LikelySunday Night
Low: 25 °F
Showers then
Chance
Rain/SnowMonday

High: 30 °F
Mostly Sunny
Monday Night

Low: 19 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 61. South wind 7 to 10 mph, with gusts as high as 18 mph.
Friday
Patchy fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. South southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 48. Calm wind.
Saturday
Partly sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
A 20 percent chance of showers. Cloudy, with a low around 62. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 71. South southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before midnight, then a chance of rain and snow showers. Low around 25. West southwest wind 16 to 18 mph becoming northwest in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 30. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 19. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 35. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 25. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 41. Southwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 26. Southwest wind around 6 mph.
New Year's Day
Sunny, with a high near 40. West southwest wind around 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
7:21 pm CST Dec 25, 2025
8pm CST Dec 25, 2025-6pm CST Jan 1, 2026



