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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Carbondale IL

Heat Advisory July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Showers and thunderstorms likely before 3pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 8pm. Increasing clouds, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Calm wind.

    High: 94 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South southwest wind 5 to 9 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. West wind 5 to 9 mph becoming north in the afternoon.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. North wind 5 to 7 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. Calm wind becoming north northeast 5 to 8 mph in the morning.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 3pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Tonight
A slight chance of showers and thunderstorms between 7pm and 8pm. Increasing clouds, with a low around 72. Calm wind. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Calm wind.
Sunday Night
Mostly clear, with a low around 75. Calm wind.
Monday
Sunny and hot, with a high near 98. Light south wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 79. South southwest wind 5 to 9 mph.
Tuesday
Sunny, with a high near 96. West wind 5 to 9 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 72. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 93. Calm wind becoming north northeast 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 72. Light and variable wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east southeast around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
6:21 am CDT Jul 25, 2026
Forecast Valid:
6am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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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