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

63°F

17°C

Humidity 84%
Wind Speed W 10 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 58°F (14°C)
Visibility 8.00 mi
Last update 24 Apr 7:52 am CDT
Extended Forecast for

Carbondale IL

  • Today

    Today: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 75. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 75 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers between 11pm and 1am. Mostly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 78. North northeast wind 3 to 7 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Northeast wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 78. East wind around 7 mph.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 57. South southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 77. West northwest wind around 6 mph.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 75. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tonight
A 30 percent chance of showers between 11pm and 1am. Mostly cloudy, with a low around 56. Light and variable wind.
Saturday
Sunny, with a high near 78. North northeast wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 54. Northeast wind 3 to 5 mph.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 78. East wind around 7 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 57. South southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 77. West northwest wind around 6 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. Light north wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74. North wind 3 to 7 mph.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 52. Northeast wind around 6 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 72. Northeast wind 6 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
7:01 am CDT Apr 24, 2026
Forecast Valid:
8am CDT Apr 24, 2026-6pm CDT Apr 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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