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.

Fair

42°F

6°C

Humidity 60%
Wind Speed SW 13 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Jan 8:52 am CST
Extended Forecast for

4 Miles S Carbondale IL

  • Today

    Today: Mostly sunny, with a high near 61. Southwest wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 10pm and 1am. Cloudy, with a low around 41. Southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 34 by 5pm. North northwest wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 46 °F⇓

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 32. North northwest wind 5 to 7 mph becoming south southwest in the afternoon.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. South wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34. West wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 61. Southwest wind 11 to 16 mph, with gusts as high as 29 mph.
Tonight
A 40 percent chance of showers, mainly between 10pm and 1am. Cloudy, with a low around 41. Southwest wind 5 to 10 mph becoming northwest after midnight.
Wednesday
Partly sunny, with a temperature falling to around 34 by 5pm. North northwest wind 7 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 19. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 32. North northwest wind 5 to 7 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 25. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 34. West wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 12. West northwest wind 8 to 10 mph.
Sunday
Sunny, with a high near 28. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 13. West wind 6 to 8 mph.
M.L.King Day
Sunny, with a high near 36. West southwest wind 6 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Carbondale IL
 37.68°N 89.2°W
Last Update:
8:27 am CST Jan 13, 2026
Forecast Valid:
9am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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Chance of Precipitation