Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

68°F

20°C

Humidity 87%
Wind Speed SW 14 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 5 Mar 12:52 pm CST
Extended Forecast for

Murphysboro IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 71. West southwest wind 6 to 10 mph.

    High: 71 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. South wind around 6 mph.  Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 77. South wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 63 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  High near 73. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 73 °F

    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 43. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 43 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. South wind 3 to 6 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after noon.  Mostly sunny, with a high near 76. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71. West southwest wind 6 to 10 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 6 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 77. South wind 7 to 17 mph, with gusts as high as 26 mph.
Friday Night
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 73. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 50. South wind 3 to 6 mph.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 76. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 61. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 60. South southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday
Showers. Mostly cloudy, with a high near 70. South southwest wind 14 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
12:26 pm CST Mar 5, 2026
1pm CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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