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/Murphysboro, Southern Illinois Airport IL
Overnight

Low: 64 °F
Patchy Fog
Monday
High: 85 °F
Patchy Fog
then SunnyMonday Night
Low: 63 °F
Mostly Clear
then Patchy
FogTuesday
High: 88 °F
Areas Fog
then SunnyTuesday Night

Low: 64 °F
Mostly Clear
Wednesday

High: 90 °F
Sunny
Wednesday Night

Low: 69 °F
Mostly Clear
Thursday

High: 90 °F
Slight Chance
T-stormsThursday Night
Low: 70 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 64. Calm wind.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 63. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 88. Calm wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 90. Calm wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Light south southwest wind.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Calm wind.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southwest 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Carbondale/Murphysboro, Southern Illinois Airport IL
37.81°N 89.25°W
37.81°N 89.25°W
1:56 am CDT Aug 3, 2026
2am CDT Aug 3, 2026-6pm CDT Aug 9, 2026



