Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog/Mist
32°F
0°C
| Humidity | 88% |
| Wind Speed | N 14 G 22 mph |
| Barometer | 30.26 in (1024.8 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 4.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 4 Dec 2:52 am CST |
Extended Forecast for
Murphysboro IL
Overnight

Low: 24 °F
Slight Chance
SnowThursday

High: 27 °F
Partly Sunny
Thursday Night

Low: 17 °F
Decreasing
CloudsFriday

High: 41 °F
Sunny
Friday Night

Low: 26 °F
Partly Cloudy
Saturday

High: 44 °F
Mostly Sunny
Saturday Night
Low: 29 °F
Mostly Cloudy
then Slight
Chance
Rain/Freezing
RainSunday
High: 39 °F
Slight Chance
Showers then
Mostly CloudySunday Night

Low: 21 °F
Mostly Cloudy
Detailed Forecast
Overnight
A 20 percent chance of snow before 3am. Mostly cloudy, with a low around 24. Light and variable wind becoming north 5 to 10 mph.
Thursday
Partly sunny, with a steady temperature around 27. North wind 5 to 10 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Light north wind.
Friday
Sunny, with a high near 41. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 26. South wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 44. Light and variable wind.
Saturday Night
A slight chance of rain showers between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 29. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of showers before noon. Mostly cloudy, with a high near 39. North wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 21. North wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 36. North wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 7 mph after midnight.
Tuesday
Mostly sunny, with a high near 46. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 33. South southwest wind 7 to 10 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 51. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
2:01 am CST Dec 4, 2025
2am CST Dec 4, 2025-6pm CST Dec 10, 2025


