Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

58°F

14°C

Humidity 41%
Wind Speed SW 13 mph
Barometer 29.78 in (1008.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 13 Jan 5:52 pm CST
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: Showers likely, mainly before 1am.  Mostly cloudy, with a low around 41. Southwest wind 6 to 8 mph becoming west northwest after midnight.  Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 32 by 5pm. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 43 °F

    Mostly Cloudy
    then
    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. North northwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 33. Northwest wind around 6 mph becoming south southwest in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. South wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13. Northwest wind 7 to 9 mph.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before 1am. Mostly cloudy, with a low around 41. Southwest wind 6 to 8 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 32 by 5pm. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 19. North northwest wind 7 to 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 33. Northwest wind around 6 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 25. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 21. West northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 30. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 13. Northwest wind 7 to 9 mph.
Sunday
Sunny, with a high near 31. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 19. West southwest wind 7 to 9 mph.
M.L.King Day
Sunny, with a high near 36. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 14. North northwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 33. North northwest wind 5 to 8 mph becoming south in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
3:17 pm CST Jan 13, 2026
6pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database