Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Partly Cloudy
24°F
-4°C
| Humidity | 68% |
| Wind Speed | N 9 mph |
| Barometer | 30.22 in (1023.8 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 19 Jan 5:52 am CST |
Extended Forecast for
Murphysboro IL
M.L.King Day

High: 23 °F⇓
Mostly Sunny
Tonight

Low: 12 °F
Mostly Clear
Tuesday

High: 38 °F
Sunny
Tuesday Night

Low: 28 °F
Increasing
CloudsWednesday

High: 48 °F
Mostly Sunny
Wednesday Night

Low: 26 °F
Partly Cloudy
Thursday

High: 38 °F
Mostly Sunny
Thursday Night

Low: 22 °F
Partly Cloudy
Friday

High: 31 °F
Mostly Cloudy
Detailed Forecast
M.L.King Day
Mostly sunny, with a temperature falling to around 18 by 8am. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 12. Light and variable wind.
Tuesday
Sunny, with a high near 38. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 28. South wind 8 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 48. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 26. West southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming north northeast 5 to 7 mph after midnight.
Friday
Mostly cloudy, with a high near 31. North wind 7 to 11 mph, with gusts as high as 18 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 6. North wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 18. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 8. North northeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 25. North wind around 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
5:41 am CST Jan 19, 2026
6am CST Jan 19, 2026-6pm CST Jan 25, 2026



