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.

Overcast and Windy

76°F

24°C

Humidity 42%
Wind Speed S 26 G 38 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Apr 8:52 pm CDT
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Mostly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 26 mph.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83. South southwest wind 8 to 10 mph.

    High: 83 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. South wind around 6 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Mostly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 86. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83. South southwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 63. South wind around 6 mph.
Friday
Mostly sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. South wind around 10 mph, with gusts as high as 18 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. West wind around 11 mph, with gusts as high as 18 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 64. Northwest wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.31°W
Last Update:
9:22 pm CDT Apr 12, 2026
Forecast Valid:
9pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation