Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
47°F
8°C
| Humidity | 63% |
| Wind Speed | Calm |
| Barometer | 29.89 in (1012.2 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 6 Jan 11:52 pm CST |
Extended Forecast for
Murphysboro IL
Overnight
Low: 38 °F
Clear
Wednesday
High: 60 °F
Mostly Sunny
Wednesday Night
Low: 45 °F
Increasing
CloudsThursday
High: 65 °F
Chance
Showers then
ShowersThursday Night
Low: 55 °F
Showers
Likely then
Chance
ShowersFriday
High: 61 °F
Chance
ShowersFriday Night
Low: 44 °F
Chance
ShowersSaturday
High: 50 °F
Partly Sunny
Saturday Night
Low: 28 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 38. Light and variable wind.
Wednesday
Mostly sunny, with a high near 60. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 45. South southeast wind 3 to 6 mph.
Thursday
Showers, with thunderstorms also possible after 3pm. High near 65. South southeast wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 55. South southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 61. West southwest wind 6 to 9 mph becoming north northeast in the afternoon.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44. Northeast wind 6 to 9 mph becoming west northwest after midnight.
Saturday
Partly sunny, with a high near 50. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 28. West wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 39. West northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 26. Light and variable wind becoming southwest around 5 mph after midnight.
Monday
Sunny, with a high near 47. South southwest wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 31. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 49. West southwest wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
12:11 am CST Jan 7, 2026
12am CST Jan 7, 2026-6pm CST Jan 13, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
