Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
44°F
7°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 30.32 in (1026.7 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 5 Apr 11:52 pm CDT |
Extended Forecast for
Murphysboro IL
Overnight

Low: 39 °F
Clear
Monday

High: 66 °F
Sunny
Monday Night

Low: 40 °F
Mostly Clear
Tuesday

High: 58 °F
Partly Sunny
Tuesday Night

Low: 41 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 55 °F
Partly Cloudy
Thursday

High: 72 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Overnight
Clear, with a low around 39. Calm wind.
Monday
Sunny, with a high near 66. Calm wind becoming north northwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 40. North wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 58. East northeast wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 41. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 74. South wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 55. South southeast wind around 9 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 72. South wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 58. South wind around 7 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South southwest wind 6 to 9 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southeast wind around 6 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. South wind 6 to 9 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 62. South southeast wind around 7 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 8 to 14 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
11:27 pm CDT Apr 5, 2026
12am CDT Apr 6, 2026-6pm CDT Apr 12, 2026


