Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
42°F
6°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.38 in (1028.9 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 9.00 mi |
| Last update | 19 Oct 1:52 am CDT |
Extended Forecast for
Murphysboro IL
Overnight
Low: 38 °F
Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 45 °F
Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 47 °F
Clear
Detailed Forecast
Overnight
Clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 74. Light north wind.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind.
Wednesday Night
Clear, with a low around 45. Calm wind.
Thursday
Sunny, with a high near 77. Light north wind.
Thursday Night
Clear, with a low around 47. Calm wind.
Friday
Sunny, with a high near 76. Calm wind becoming east around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 47. Light east southeast wind.
Saturday
Mostly sunny, with a high near 78. Calm wind becoming south around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 50. Calm wind.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming south southwest around 5 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.75°N 89.34°W
37.75°N 89.34°W
2:06 am CDT Oct 19, 2026
2am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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