Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair and Windy
85°F
29°C
| Humidity | 45% |
| Wind Speed | S 29 G 39 mph |
| Barometer | 29.77 in (1007.7 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 9.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 26 Mar 3:52 pm CDT |
Extended Forecast for
Murphysboro IL
This Afternoon

High: 87 °F
Sunny
Tonight
Low: 43 °F
Partly Cloudy
then Chance
T-stormsFriday
High: 54 °F
Showers
Likely then
Slight Chance
T-stormsFriday Night

Low: 31 °F
Mostly Clear
then Patchy
FrostSaturday

High: 57 °F
Patchy Frost
then SunnySaturday Night

Low: 39 °F
Partly Cloudy
Sunday

High: 68 °F
Mostly Sunny
Sunday Night

Low: 57 °F
Partly Cloudy
Monday

High: 82 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 87. South southwest wind around 13 mph, with gusts as high as 32 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 43. South southwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 30 mph.
Friday
Showers and thunderstorms likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Friday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 31. North wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 39. South southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 68. South wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 82. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 64. South wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 85. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. South southwest wind 15 to 17 mph, with gusts as high as 26 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
4:02 pm CDT Mar 26, 2026
4pm CDT Mar 26, 2026-6pm CDT Apr 1, 2026



