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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

63°F

17°C

Humidity 50%
Wind Speed S 13 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 May 8:52 am CDT
Extended Forecast for

Carbondale IL

  • Today

    Today: Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 83 °F

    Partly Sunny

  • 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 68. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 24 mph.
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 68. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind around 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 66. South wind around 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 88. South wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 70. South wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 11 to 17 mph, with gusts as high as 26 mph.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South southwest wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. North wind around 8 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North northeast wind 3 to 7 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Northeast wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
3:32 am CDT May 15, 2026
Forecast Valid:
9am CDT May 15, 2026-6pm CDT May 21, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation