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.

Fair

63°F

17°C

Humidity 76%
Wind Speed W 3 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 May 10:52 pm CDT
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 79 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm after 1am. Low around 64. East southeast wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Mostly Cloudy
    then Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 83. South southeast wind 6 to 9 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 67. South southeast wind 6 to 8 mph. Chance of precipitation is 90%.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 82. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 82 °F

    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Partly cloudy, with a low around 57. West wind 7 to 9 mph.

    Low: 57 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 66. West northwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Calm wind.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Showers and possibly a thunderstorm after 1am. Low around 64. East southeast wind 3 to 5 mph. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 83. South southeast wind 6 to 9 mph. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 67. South southeast wind 6 to 8 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 82. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Partly cloudy, with a low around 57. West wind 7 to 9 mph.
Wednesday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 66. West northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 49. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 69. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 74. West wind 3 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. South wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.74°N 89.2°W
Last Update:
10:48 pm CDT May 17, 2025
Forecast Valid:
11pm CDT May 17, 2025-6pm CDT May 24, 2025
 
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