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Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Partly Cloudy
78°F
26°C
| Humidity | 76% |
| Wind Speed | SW 6 mph |
| Barometer | 29.98 in (1014.8 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 19 Aug 7:52 pm CDT |
Extended Forecast for
Carbondale/Murphysboro, Southern Illinois Airport IL
Tonight
Low: 72 °F
Chance
T-storms then
Patchy FogWednesday
High: 89 °F
Patchy Fog
then Mostly
SunnyWednesday Night

Low: 66 °F
Partly Cloudy
Thursday

High: 87 °F
Mostly Sunny
Thursday Night

Low: 65 °F
Mostly Clear
Friday

High: 90 °F
Sunny
Friday Night

Low: 65 °F
Mostly Clear
Saturday

High: 91 °F
Sunny
Saturday Night

Low: 63 °F
Mostly Clear
Detailed Forecast
Tonight
A 50 percent chance of showers and thunderstorms before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Calm wind becoming north around 5 mph after midnight.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. North northeast wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 66. North northeast wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 87. North northeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 65. North northeast wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 90. Calm wind becoming north northeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light north northwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 57. North wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Calm wind becoming north northwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 56. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale/Murphysboro, Southern Illinois Airport IL
37.81°N 89.25°W
37.81°N 89.25°W
7:16 pm CDT Aug 19, 2025
8pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025



