Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
28°F
-2°C
| Humidity | 51% |
| Wind Speed | NW 5 mph |
| Barometer | 30.46 in (1032.1 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 23 Feb 5:52 pm CST |
Extended Forecast for
Murphysboro IL
Tonight

Low: 20 °F
Mostly Clear
Tuesday

High: 49 °F
Partly Sunny
and BreezyTuesday Night

Low: 40 °F
Mostly Cloudy
Wednesday

High: 56 °F
Partly Sunny
Wednesday Night
Low: 40 °F
Slight Chance
Showers then
Chance
ShowersThursday
High: 52 °F
Chance
Showers then
Mostly SunnyThursday Night

Low: 32 °F
Mostly Clear
Friday

High: 60 °F
Sunny
Friday Night

Low: 39 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Partly sunny, with a high near 49. Breezy, with a south southwest wind 8 to 13 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
Partly sunny, with a high near 56. West southwest wind around 6 mph becoming northeast in the afternoon.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. East wind 5 to 8 mph.
Thursday
A 50 percent chance of showers before noon. Partly sunny, with a high near 52. North northwest wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 32. North northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 60. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 39. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 66. South southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 36. South wind around 9 mph becoming north after midnight.
Sunday
A chance of showers. Partly sunny, with a high near 53. East northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 36. East northeast wind around 9 mph.
Monday
A chance of showers. Partly sunny, with a high near 54. North wind 9 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.75°N 89.31°W
37.75°N 89.31°W
5:21 pm CST Feb 23, 2026
6pm CST Feb 23, 2026-6pm CST Mar 2, 2026


