Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
50°F
10°C
| Humidity | 93% |
| Wind Speed | NE 5 mph |
| Barometer | 29.94 in (1013.7 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 9.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 26 Dec 11:52 pm CST |
Extended Forecast for
Carbondale IL
Dense Fog Advisory until December 27, 09:00am
NOW until 9:00am Sat

Dense Fog Advisory
Tonight

Low: 48 °F
Patchy Fog
Saturday
High: 68 °F
Patchy Fog
then Mostly
CloudySaturday Night

Low: 63 °F⇑
Mostly Cloudy
Sunday
High: 71 °F
Slight Chance
Showers then
Showers
LikelySunday Night
Low: 24 °F
Showers then
Chance
Rain/SnowMonday

High: 29 °F
Sunny
Monday Night

Low: 19 °F
Mostly Clear
Tuesday

High: 36 °F
Sunny
Detailed Forecast
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Light north wind.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a temperature rising to around 66 by 5am. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Showers likely, with thunderstorms also possible after 3pm. Cloudy, with a high near 71. South southwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before midnight, then a chance of rain and snow showers. Some thunder is also possible. Low around 24. Southwest wind around 18 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Monday
Sunny, with a high near 29. West northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 19. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 36. Northwest wind 6 to 8 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 27. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 44. West northwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind around 6 mph.
New Year's Day
Mostly sunny, with a high near 33. North northwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 17. Light north northwest wind.
Friday
Mostly sunny, with a high near 32. Light and variable wind becoming northeast around 6 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
10:06 pm CST Dec 26, 2025
11pm CST Dec 26, 2025-6pm CST Jan 2, 2026



