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.

Light Rain Fog/Mist

75°F

24°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Last update 28 Jun 8:52 am CDT
Extended Forecast for

Carbondale IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Southwest wind 3 to 6 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. High near 87. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 80%.

    High: 87 °F

    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind 3 to 6 mph.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. West southwest wind 5 to 7 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light west wind.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Southwest wind 3 to 6 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms. High near 87. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind 3 to 6 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. West southwest wind 5 to 7 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 89. Light west wind.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. Light south southwest wind.
Independence Day
A slight chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
8:46 am CDT Jun 28, 2025
Forecast Valid:
9am CDT Jun 28, 2025-6pm CDT Jul 4, 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