Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
60°F
16°C
| Humidity | 93% |
| Wind Speed | S 13 mph |
| Barometer | 29.63 in (1003.2 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 7.00 mi |
| Last update | 19 Feb 2:52 am CST |
Extended Forecast for
Carbondale IL
Overnight

Low: 56 °F
Mostly Cloudy
Thursday

High: 70 °F
Showers
LikelyThursday Night
Low: 40 °F
Slight Chance
Showers then
ClearFriday

High: 53 °F
Sunny
Friday Night

Low: 33 °F
Partly Cloudy
Saturday
High: 48 °F
Mostly Sunny
then Slight
Chance
ShowersSaturday Night

Low: 26 °F
Mostly Clear
Sunday

High: 41 °F
Sunny
Sunday Night

Low: 20 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 56. South wind around 8 mph.
Thursday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 70. South southwest wind 8 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers before 9pm. Mostly clear, with a low around 40. South southwest wind around 11 mph becoming west after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 53. West wind 6 to 11 mph becoming light northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 33. Calm wind becoming north around 5 mph after midnight.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 48. North wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 26. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 41. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 20. North northwest wind around 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 37. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 19. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 48. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 58. South southwest wind 14 to 17 mph, with gusts as high as 26 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
3:12 am CST Feb 19, 2026
3am CST Feb 19, 2026-6pm CST Feb 25, 2026



