Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
34°F
1°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.32 in (1027.0 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 12 Mar 6:52 am CDT |
Extended Forecast for
Murphysboro IL
Today

High: 54 °F
Sunny
Tonight
Low: 42 °F
Mostly Clear
then Mostly
Clear and
BreezyFriday

High: 64 °F
Mostly Sunny
Friday Night

Low: 38 °F
Partly Cloudy
Saturday

High: 66 °F
Mostly Sunny
Saturday Night

Low: 55 °F
Partly Cloudy
Sunday
High: 71 °F
Breezy.
Slight Chance
Showers then
Showers
LikelySunday Night

Low: 26 °F
Rain/Snow
Likely and
BreezyMonday

High: 37 °F
Mostly Sunny
and Breezy
Detailed Forecast
Today
Sunny, with a high near 54. Calm wind becoming west 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 42. Breezy, with a south southwest wind 8 to 13 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph.
Friday
Mostly sunny, with a high near 64. West wind 11 to 17 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 66. East northeast wind 6 to 10 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Sunday Night
Rain and snow showers likely, mainly before 1am. Some thunder is also possible. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 22 to 24 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 37. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 42. North northwest wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. South wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 58. South wind 8 to 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
6:36 am CDT Mar 12, 2026
7am CDT Mar 12, 2026-6pm CDT Mar 18, 2026



