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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

79°F

26°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Oct 2:52 pm CDT
Extended Forecast for

Murphysboro IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. North northwest wind 3 to 5 mph.

    High: 81 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    High: 87 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Increasing clouds, with a low around 51. South southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 59. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 28 mph.

    High: 59 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. North wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. North wind 6 to 9 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. North northwest wind 3 to 5 mph.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Increasing clouds, with a low around 51. South southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 59. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 41. North wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 61. North wind 6 to 9 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 41. Calm wind.
Monday
Mostly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 75. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
Last Update:
2:56 pm CDT Oct 14, 2026
Forecast Valid:
3pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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