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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

A Few Clouds

74°F

23°C

Humidity 69%
Wind Speed S 12 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 May 4:52 am CDT
Extended Forecast for

Carbondale/Murphysboro, Southern Illinois Airport IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 74. South southwest wind around 14 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 9am. Mostly cloudy, with a high near 86. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 66. South southeast wind 6 to 8 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 89. South wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. South wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. South wind 13 to 16 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. South southwest wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 87 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 63 °F

    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 74. South southwest wind around 14 mph, with gusts as high as 18 mph.
Saturday
Showers and thunderstorms likely, mainly before 9am. Mostly cloudy, with a high near 86. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday Night
Increasing clouds, with a low around 66. South southeast wind 6 to 8 mph.
Sunday
Sunny, with a high near 89. South wind 7 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 69. South wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South wind 14 to 18 mph, with gusts as high as 28 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. South wind 13 to 16 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. South southwest wind 15 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. North wind around 9 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 56. North wind 5 to 9 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 75. North northeast wind 7 to 9 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 55. Northeast wind 5 to 8 mph becoming calm after midnight.
Friday
A slight chance of showers. Mostly sunny, with a high near 78. Northeast wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale/Murphysboro, Southern Illinois Airport IL
 37.81°N 89.25°W
Last Update:
4:36 am CDT May 16, 2026
Forecast Valid:
5am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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