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.

Partly Cloudy

26°F

-3°C

Humidity 63%
Wind Speed W 6 mph
Barometer 30.18 in (1022.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 19 Jan 4:52 am CST
Extended Forecast for

Carbondale IL

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 23. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 23 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 13. Light and variable wind.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 28. South wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Southwest wind 6 to 14 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Northwest wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Calm wind becoming north northeast 5 to 7 mph after midnight.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. North wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 31 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Mostly sunny, with a high near 23. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 13. Light and variable wind.
Tuesday
Sunny, with a high near 37. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 28. South wind 8 to 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 48. Southwest wind 6 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 26. Southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming north northeast 5 to 7 mph after midnight.
Friday
Mostly cloudy, with a high near 31. North wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 7. North wind around 11 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 18. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 9. North northeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 25. North northeast wind around 7 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:
3:48 am CST Jan 19, 2026
Forecast Valid:
5am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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