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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair and Breezy

77°F

25°C

Humidity 45%
Wind Speed SW 23 G 32 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Apr 2:52 pm CDT
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. South southwest wind around 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 67. South southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 82. Southwest wind 8 to 10 mph.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. South southwest wind around 17 mph, with gusts as high as 28 mph.
Tonight
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 67. South southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Monday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 85. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 82. Southwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 63. South wind around 6 mph.
Friday
Mostly sunny, with a high near 88. South wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 18 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind 11 to 14 mph, with gusts as high as 22 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:
2:02 pm CDT Apr 12, 2026
Forecast Valid:
3pm CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation