Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
80°F
27°C
| Humidity | 52% |
| Wind Speed | S 17 mph |
| Barometer | 29.70 in (1005.4 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 22 Mar 11:52 am CDT |
Extended Forecast for
Murphysboro IL
This Afternoon

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

High: 58 °F
Sunny
Monday Night

Low: 40 °F
Mostly Cloudy
Tuesday

High: 66 °F
Mostly Sunny
Tuesday Night

Low: 45 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 61 °F
Mostly Clear
Thursday

High: 85 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 87. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, then gradually becoming clear, with a low around 37. North wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 58. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 40. Northeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 66. East southeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 45. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 74. South southwest wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 61. South wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 85. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44. South southwest wind around 14 mph becoming north after midnight. Winds could gust as high as 23 mph.
Friday
A chance of showers. Partly sunny, with a high near 55. North wind around 14 mph, with gusts as high as 23 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 34. North wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 58. Northeast 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
12:11 pm CDT Mar 22, 2026
12pm CDT Mar 22, 2026-6pm CDT Mar 28, 2026



