Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
77°F
25°C
| Humidity | 69% |
| Wind Speed | S 9 mph |
| Barometer | 29.98 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 31 Jul 8:47 am CDT |
Extended Forecast for
Murphysboro IL
Today
High: 86 °F
Slight Chance
Showers then
Chance
T-stormsTonight

Low: 70 °F
Showers
Saturday

High: 80 °F
Chance
ShowersSaturday Night

Low: 66 °F
Chance
ShowersSunday

High: 81 °F
Chance
ShowersSunday Night

Low: 66 °F
Partly Cloudy
Monday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-stormsMonday Night

Low: 66 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny then
Chance
Showers
Detailed Forecast
Today
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 86. South southeast wind 3 to 8 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Low around 70. South southeast wind around 9 mph. Chance of precipitation is 80%.
Saturday
A slight chance of showers before 11am, then a chance of showers after noon. Mostly sunny, then becoming cloudy during the afternoon, with a high near 80. West wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 66. Northwest wind 8 to 10 mph.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 81. North northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 66. North wind 5 to 9 mph becoming light in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming north around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 66. Light northeast wind.
Tuesday
A chance of showers after 1pm. Sunny, with a high near 88. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 91. Calm wind.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
Mostly sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
8:06 am CDT Jul 31, 2026
8am CDT Jul 31, 2026-6pm CDT Aug 6, 2026



