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.

A Few Clouds

75°F

24°C

Humidity 71%
Wind Speed SE 10 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 19 May 10:52 am CDT
Extended Forecast for

Murphysboro IL

  • Today

    Today: A slight chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 67. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 67 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 82. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 82 °F

    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Thunderstorms likely before 7pm. Some of the storms could be severe. Mostly clear, with a low around 57. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. West northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71. Northwest wind 3 to 7 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 67. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 82. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Tuesday Night
Thunderstorms likely before 7pm. Some of the storms could be severe. Mostly clear, with a low around 57. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 72. West northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 51. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 66. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 49. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 71. Northwest wind 3 to 7 mph.
Friday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 54. Light and variable wind.
Saturday
A chance of showers. Mostly cloudy, with a high near 68. East southeast wind 3 to 6 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East wind around 6 mph.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. East wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.75°N 89.31°W
Last Update:
8:48 am CDT May 19, 2025
Forecast Valid:
11am CDT May 19, 2025-6pm CDT May 25, 2025
 
Forecast Discussion
 
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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