Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
46°F
8°C
| Humidity | 66% |
| Wind Speed | Calm |
| Barometer | 29.89 in (1012.3 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 7 Jan 12:52 am CST |
Extended Forecast for
Carbondale IL
Overnight

Low: 38 °F
Clear
Wednesday
High: 60 °F
Patchy Fog
then Mostly
SunnyWednesday Night

Low: 45 °F
Mostly Cloudy
Thursday
High: 66 °F
Slight Chance
Showers then
Showers
LikelyThursday Night

Low: 58 °F
Showers
Friday

High: 65 °F
Chance
ShowersFriday Night

Low: 44 °F
Chance
ShowersSaturday

High: 49 °F
Partly Sunny
Saturday Night

Low: 28 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 38. Calm wind.
Wednesday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming south around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 45. South southeast wind 3 to 6 mph.
Thursday
Showers likely, mainly after noon. Cloudy, with a high near 66. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 58. South southwest wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 65. South southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44. North wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 49. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 28. West wind around 10 mph.
Sunday
Sunny, with a high near 37. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 44. Light south southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 30. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 50. Southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
12:51 am CST Jan 7, 2026
1am CST Jan 7, 2026-6pm CST Jan 13, 2026



