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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

68°F

20°C

Humidity 87%
Wind Speed Calm
Barometer 30.00 in (1015.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Sep 9:52 pm CDT
Extended Forecast for

2 Miles S Carbondale/Murphysboro, Southern Illinois Airport IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. South southwest wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Light south southeast wind. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Southeast wind 5 to 9 mph becoming east northeast in the afternoon.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 5 to 7 mph.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind 3 to 6 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. South southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Light south southeast wind. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Southeast wind 5 to 9 mph becoming east northeast in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 5 to 7 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. North northwest wind 6 to 9 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. North northwest wind 3 to 6 mph.
Friday
A chance of showers. Partly sunny, with a high near 75. North northwest wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 77. North northwest wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Carbondale/Murphysboro, Southern Illinois Airport IL
 37.77°N 89.26°W
Last Update:
8:16 pm CDT Sep 20, 2025
Forecast Valid:
10pm CDT Sep 20, 2025-6pm CDT Sep 27, 2025
 
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