National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy

54°F

12°C

Humidity 69%
Wind Speed NW 16 G 22 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Apr 6:52 pm CDT
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 41. Northwest wind 6 to 8 mph.

    Low: 41 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. Northwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. North wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northeast wind around 9 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. East southeast wind around 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 41. Northwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 60. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 40. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 39. North wind around 7 mph.
Tuesday
Mostly sunny, with a high near 57. Northeast wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 40. East southeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 54. South wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 73. South wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 54. South wind around 7 mph.
Friday
Partly sunny, with a high near 77. South wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 57. South southeast wind around 7 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South wind 7 to 11 mph, with gusts as high as 18 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:
6:17 pm CDT Apr 4, 2026
Forecast Valid:
7pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026
 
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Additional Resources

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