National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

50°F

10°C

Humidity 44%
Wind Speed NE 6 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 13 Mar 10:52 pm CDT
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: Mostly clear, with a low around 38. Calm wind becoming northeast around 6 mph after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 67. East northeast wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. South wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 22 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 70%.

    High: 71 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind 22 to 24 mph becoming west northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%.

    Low: 26 °F

    Showers and
    Breezy then
    Rain/Snow and
    Blustery

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 33. Breezy, with a west northwest wind around 22 mph, with gusts as high as 33 mph.

    High: 33 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39. West northwest wind around 8 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 29. South wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Calm wind becoming northeast around 6 mph after midnight.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 67. East northeast wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 55. South wind 8 to 17 mph, with gusts as high as 28 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 22 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 70%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind 22 to 24 mph becoming west northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 33. Breezy, with a west northwest wind around 22 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 14. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 39. West northwest wind around 8 mph.
Tuesday Night
A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 29. South wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 59. South southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 41. South wind 5 to 8 mph.
Thursday
Sunny, with a high near 69. West wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 46. South wind around 6 mph.
Friday
Mostly sunny, with a high near 70. South southwest wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
Last Update:
11:21 pm CDT Mar 13, 2026
Forecast Valid:
11pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation