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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

51°F

11°C

Humidity 48%
Wind Speed N 10 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 16 Nov 8:52 am CST
Extended Forecast for

Murphysboro IL

  • Today

    Today: Sunny, with a high near 60. North wind 5 to 9 mph becoming light in the afternoon.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 49. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 71. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 55. West southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 70. West southwest wind 3 to 7 mph.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 55. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before noon, then showers likely. Mostly cloudy, with a high near 68. South wind 6 to 10 mph.

    High: 68 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 60. North wind 5 to 9 mph becoming light in the afternoon.
Tonight
Mostly clear, with a low around 35. Calm wind.
Monday
Mostly sunny, with a high near 60. Calm wind becoming southeast 5 to 8 mph in the morning.
Monday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 49. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 71. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 55. West southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 70. West southwest wind 3 to 7 mph.
Wednesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 55. Calm wind becoming south southeast around 6 mph after midnight.
Thursday
Showers and possibly a thunderstorm before noon, then showers likely. Mostly cloudy, with a high near 68. South wind 6 to 10 mph.
Thursday Night
Showers. Mostly cloudy, with a low around 57. South wind 8 to 10 mph.
Friday
Showers likely. Partly sunny, with a high near 68. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43. West southwest wind 6 to 9 mph becoming northwest after midnight.
Saturday
A slight chance of showers. Partly sunny, with a high near 56. Northwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
Last Update:
9:21 am CST Nov 16, 2025
Forecast Valid:
9am CST Nov 16, 2025-6pm CST Nov 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation