Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
64°F
18°C
| Humidity | 81% |
| Wind Speed | S 8 mph |
| Barometer | 29.73 in (1006.3 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 22 Mar 4:52 am CDT |
Extended Forecast for
Murphysboro IL
Today

High: 87 °F
Sunny
Tonight
Low: 37 °F
Chance
T-storms then
Mostly ClearMonday

High: 58 °F
Mostly Sunny
Monday Night

Low: 40 °F
Mostly Cloudy
Tuesday

High: 66 °F
Mostly Sunny
Tuesday Night

Low: 45 °F
Mostly Cloudy
Wednesday

High: 74 °F
Partly Sunny
Wednesday Night
Low: 61 °F
Partly Cloudy
then Slight
Chance
T-stormsThursday

High: 85 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 87. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 37. North wind 15 to 18 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 58. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 40. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 66. Southeast wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Light southeast wind.
Wednesday
Partly sunny, with a high near 74. Light south wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind 7 to 9 mph.
Thursday
Sunny, with a high near 85. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Southwest wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 55. North northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 34. North northeast wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 58. East northeast wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
1:26 am CDT Mar 22, 2026
5am CDT Mar 22, 2026-6pm CDT Mar 28, 2026


