



Storm Moving from Western into Central U.S. through Wednesday
A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
52°F
11°C
Humidity | 100% |
Wind Speed | Calm |
Barometer | 30.18 in (1021.7 mb) |
Dewpoint | 52°F (11°C) |
Visibility | 0.50 mi |
Last update | 15 Oct 4:52 am CDT |
Extended Forecast for
Murphysboro IL
Today
High: 83 °F
Patchy Fog
then SunnyTonight
Low: 57 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 54 °F
Increasing
CloudsFriday
High: 80 °F
Partly Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 76 °F
Chance
T-storms then
Showers
LikelySaturday Night
Low: 50 °F
Showers
LikelySunday
High: 67 °F
Slight Chance
Showers
Detailed Forecast
Today
Patchy fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. Light east wind.
Thursday
Sunny, with a high near 79. Calm wind becoming east 5 to 8 mph in the morning.
Thursday Night
Increasing clouds, with a low around 54. East southeast wind around 6 mph.
Friday
Partly sunny, with a high near 80. South southeast wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 62. South southeast wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. South southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. South southwest wind 7 to 10 mph becoming west northwest after midnight.
Sunday
A slight chance of showers before 1pm. Mostly sunny, with a high near 67. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 43. West northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 72. Light south southwest wind increasing to 6 to 11 mph in the morning.
Monday Night
A slight chance of showers. Mostly clear, with a low around 50. South southwest wind 6 to 8 mph.
Tuesday
A slight chance of showers. Sunny, with a high near 74. 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 89.31°W
37.77°N 89.31°W
5:32 am CDT Oct 15, 2025
5am CDT Oct 15, 2025-6pm CDT Oct 21, 2025