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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.82 in (1009.5 mb)
Dewpoint 56°F (13°C)
Visibility 5.00 mi
Last update 25 Apr 3:52 am CDT
Extended Forecast for

Carbondale IL

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming northeast 5 to 7 mph in the morning.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. East northeast wind 3 to 5 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. East wind 5 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61. East southeast wind 6 to 8 mph.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 85. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. South wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78. West wind around 7 mph.

    High: 78 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53. North wind 3 to 6 mph.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. North wind 6 to 10 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming northeast 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 53. East northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 80. East wind 5 to 7 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61. East southeast wind 6 to 8 mph.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 85. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. South wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78. West wind around 7 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 71. North wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 48. North wind 5 to 7 mph becoming calm in the evening.
Thursday
A slight chance of showers. Sunny, with a high near 70. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49. North northeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers. Partly sunny, with a high near 64. North wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
2:01 am CDT Apr 25, 2026
Forecast Valid:
4am CDT Apr 25, 2026-6pm CDT May 1, 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