Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fog
32°F
0°C
| Humidity | 100% |
| Wind Speed | NE 3 mph |
| Barometer | 29.88 in (1012.1 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 0.50 mi |
| Last update | 2 Jan 2:52 am CST |
Extended Forecast for
Murphysboro IL
Overnight

Low: 31 °F
Areas Fog
Friday
High: 38 °F
Areas
Freezing Fog
and Patchy
Fog then
CloudyFriday Night

Low: 30 °F
Mostly Cloudy
Saturday

High: 42 °F
Decreasing
CloudsSaturday Night

Low: 25 °F
Mostly Clear
Sunday

High: 41 °F
Mostly Sunny
Sunday Night

Low: 31 °F
Partly Cloudy
Monday

High: 55 °F
Sunny
Monday Night

Low: 44 °F
Partly Cloudy
Detailed Forecast
Overnight
Areas of fog. Otherwise, cloudy, with a low around 31. Light north northeast wind.
Friday
Patchy fog between 7am and 10am. Areas of freezing fog before 7am. Otherwise, cloudy, with a high near 38. Northeast wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 30. Northeast wind 5 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 42. North wind around 7 mph.
Saturday Night
Mostly clear, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 41. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 31. Calm wind becoming south southwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 55. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 44. South southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 62. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southwest wind around 6 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 61. Calm wind becoming west southwest around 5 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 47. Southeast wind 3 to 6 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 61. South southeast wind 6 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Murphysboro IL
37.77°N 89.34°W
37.77°N 89.34°W
2:52 am CST Jan 2, 2026
3am CST Jan 2, 2026-6pm CST Jan 8, 2026



