Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Carbondale IL
Today
High: 88 °F
Patchy Fog
then SunnyTonight

Low: 65 °F
Mostly Clear
Wednesday

High: 90 °F
Sunny
Wednesday Night

Low: 69 °F
Partly Cloudy
Thursday

High: 90 °F
Chance
ShowersThursday Night
Low: 71 °F
Chance
T-storms then
Showers
LikelyFriday

High: 89 °F
Chance
T-stormsFriday Night

Low: 70 °F
Chance
T-stormsSaturday

High: 90 °F
Chance
T-storms
Detailed Forecast
Today
Patchy fog before 8am. Otherwise, sunny, with a high near 88. Calm wind.
Tonight
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 90. Calm wind.
Wednesday Night
Partly cloudy, with a low around 69. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the morning.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Light south wind.
Sunday
Mostly sunny, with a high near 92. South southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 3 to 8 mph.
Monday
Sunny, with a high near 93. South southwest wind 5 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.2°W
37.72°N 89.2°W
4:16 am CDT Aug 4, 2026
6am CDT Aug 4, 2026-6pm CDT Aug 10, 2026



