Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
30°F
-1°C
| Humidity | 88% |
| Wind Speed | N 3 mph |
| Barometer | 30.05 in (1017.9 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 9.00 mi |
| Last update | 1 Dec 8:52 pm CST |
Extended Forecast for
Murphysboro IL
Winter Weather Advisory December 1, 09:24pm until December 2, 06:00am
NOW until 6:00am Tue
Winter Weather Advisory
Tonight
Low: 23 °F
Wintry Mix
then Snow
LikelyTuesday

High: 32 °F
Gradual
ClearingTuesday Night

Low: 21 °F
Mostly Clear
Wednesday

High: 41 °F
Mostly Sunny
Wednesday Night

Low: 19 °F
Mostly Cloudy
Thursday

High: 28 °F
Mostly Sunny
Thursday Night
Low: 16 °F
Partly Cloudy
then Slight
Chance Snow
ShowersFriday
High: 39 °F
Slight Chance
Snow Showers
then Mostly
Sunny
Detailed Forecast
Tonight
Snow and freezing rain likely before 11pm, then snow between 11pm and 2am. Low around 23. Northwest wind 3 to 7 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 32. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 41. South southwest wind 5 to 10 mph becoming light in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 19. Light and variable wind becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 28. North wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 16. Light and variable wind.
Friday
A slight chance of snow showers before noon. Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 25. Calm wind.
Saturday
Mostly sunny, with a high near 43. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 28. Light and variable wind becoming west around 6 mph after midnight.
Sunday
Mostly cloudy, with a high near 41. West northwest wind 6 to 8 mph becoming north in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. North wind 3 to 5 mph.
Monday
Partly sunny, with a high near 39. Light and variable wind becoming north northeast around 5 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
7:32 pm CST Dec 1, 2025
9pm CST Dec 1, 2025-6pm CST Dec 8, 2025



