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

67°F

19°C

Humidity 76%
Wind Speed S 15 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 31 Mar 5:52 am CDT
Extended Forecast for

Carbondale IL

  • Today

    Today: Mostly sunny, with a high near 83. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 36 mph.

    High: 83 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 2am and 5am. Partly cloudy, with a low around 65. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 82. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    High: 80 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 64. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 83. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 36 mph.
Tonight
A 30 percent chance of showers, mainly between 2am and 5am. Partly cloudy, with a low around 65. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
A 50 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 82. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 64. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 20 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South wind 11 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. West northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday
A chance of showers. Partly sunny, with a high near 59. North northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 36. North northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 62. North wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
1:26 am CDT Mar 31, 2026
Forecast Valid:
6am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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