Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
80°F
27°C
| Humidity | 67% |
| Wind Speed | SW 7 mph |
| Barometer | 29.92 in (1012.7 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 15 Oct 6:52 pm CDT |
Extended Forecast for
Murphysboro IL
Tonight
Low: 48 °F
Chance
T-storms then
Chance
ShowersFriday

High: 58 °F
Gradual
ClearingFriday Night

Low: 39 °F
Mostly Cloudy
Saturday

High: 60 °F
Becoming
SunnySaturday Night

Low: 35 °F
Clear then
Patchy FrostSunday

High: 66 °F
Areas Frost
then SunnySunday Night

Low: 39 °F
Mostly Clear
Monday

High: 71 °F
Sunny
Monday Night

Low: 43 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 48. Light and variable wind becoming northwest 11 to 16 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 58. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 39. North northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 60. North northeast wind 6 to 9 mph.
Saturday Night
Patchy frost after 5am. Otherwise, clear, with a low around 35. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 66. Light south southeast wind.
Sunday Night
Mostly clear, with a low around 39. Calm wind.
Monday
Sunny, with a high near 71. Calm wind becoming south around 5 mph.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Mostly sunny, with a high near 75. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 77. Light and variable wind.
Wednesday Night
Clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
6:31 pm CDT Oct 15, 2026
7pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026



