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.

Mostly Cloudy

83°F

28°C

Humidity 55%
Wind Speed S 13 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 Jun 4:52 pm CDT
Extended Forecast for

4 Miles S Carbondale IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 72. South southwest wind 5 to 8 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 95. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South southwest wind 5 to 10 mph.

    Low: 75 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 72. South southwest wind 5 to 8 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 95. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 75. South southwest wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 97. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 76. South wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming south southwest around 6 mph in the morning.
Tuesday Night
Clear, with a low around 77. South wind around 6 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 99. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Carbondale IL
 37.68°N 89.2°W
Last Update:
4:41 pm CDT Jun 24, 2026
Forecast Valid:
5pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
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