Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
22°F
-6°C
| Humidity | 89% |
| Wind Speed | S 6 mph |
| Barometer | 30.44 in (1031.1 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 12 Jan 1:52 am CST |
Extended Forecast for
Murphysboro IL
Overnight

Low: 24 °F
Mostly Clear
Monday

High: 51 °F
Sunny
Monday Night

Low: 34 °F
Mostly Clear
Tuesday

High: 60 °F
Sunny
Tuesday Night

Low: 40 °F
Chance
ShowersWednesday
High: 45 °F
Slight Chance
Showers then
Slight Chance
Rain/SnowWednesday Night

Low: 19 °F
Mostly Cloudy
Thursday

High: 32 °F
Sunny
Thursday Night

Low: 24 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 24. South southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 51. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 60. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph becoming west northwest after midnight.
Wednesday
A slight chance of rain showers before 3pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 45. Northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 32. North northwest wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 24. South wind 5 to 10 mph.
Friday
Partly sunny, with a high near 44. West wind 9 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 22. West southwest wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 33. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind 8 to 10 mph.
Sunday
Sunny, with a high near 30. West wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.37°W
37.77°N 89.37°W
1:17 am CST Jan 12, 2026
2am CST Jan 12, 2026-6pm CST Jan 18, 2026


