Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy

24°F

-4°C

Humidity 68%
Wind Speed N 9 mph
Barometer 30.22 in (1023.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 19 Jan 5:52 am CST
Extended Forecast for

Murphysboro IL

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a temperature falling to around 18 by 8am. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 23 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 12. Light and variable wind.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 28. South wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. West southwest wind around 6 mph becoming northwest after midnight.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Northwest wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Calm wind becoming north northeast 5 to 7 mph after midnight.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. North wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 31 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Mostly sunny, with a temperature falling to around 18 by 8am. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 12. Light and variable wind.
Tuesday
Sunny, with a high near 38. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 28. South wind 8 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 48. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 26. West southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming north northeast 5 to 7 mph after midnight.
Friday
Mostly cloudy, with a high near 31. North wind 7 to 11 mph, with gusts as high as 18 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 6. North wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 18. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 8. North northeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 25. North wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
5:41 am CST Jan 19, 2026
6am CST Jan 19, 2026-6pm CST Jan 25, 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