Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

4°C

39°F

Humidity 65%
Wind Speed S 19 km/h
Barometer 1018.3 mb (30.07 in)
Dewpoint -2°C (28°F)
Visibility 16 km
Wind Chill0°C (32°F)
Last update 13 Jan 3:52 am CST
Extended Forecast for

Carbondale IL

  • Today

    Today: Mostly sunny, with a high near 16. Southwest wind 16 to 26 km/h, with gusts as high as 47 km/h.

    High: 16 °C

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 1am.  Cloudy, with a low around 5. Southwest wind 8 to 16 km/h becoming northwest after midnight.

    Low: 5 °C

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 1 by 5pm. North northwest wind 11 to 16 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 8 °C

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -7. North northwest wind 22 to 27 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 42 km/h.

    Low: -7 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 0. North northwest wind 8 to 11 km/h becoming south southwest in the afternoon.

    High: 0 °C

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -4. South wind 8 to 13 km/h increasing to 16 to 21 km/h after midnight. Winds could gust as high as 37 km/h.

    Low: -4 °C

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 8. West wind 18 to 24 km/h, with gusts as high as 40 km/h.

    High: 8 °C

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -4. West wind 13 to 16 km/h.

    Low: -4 °C

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 1. West northwest wind 14 to 21 km/h, with gusts as high as 35 km/h.

    High: 1 °C

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 16. Southwest wind 16 to 26 km/h, with gusts as high as 47 km/h.
Tonight
A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 5. Southwest wind 8 to 16 km/h becoming northwest after midnight.
Wednesday
Partly sunny, with a temperature falling to around 1 by 5pm. North northwest wind 11 to 16 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.
Wednesday Night
Mostly clear, with a low around -7. North northwest wind 22 to 27 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 42 km/h.
Thursday
Sunny, with a high near 0. North northwest wind 8 to 11 km/h becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around -4. South wind 8 to 13 km/h increasing to 16 to 21 km/h after midnight. Winds could gust as high as 37 km/h.
Friday
Partly sunny, with a high near 8. West wind 18 to 24 km/h, with gusts as high as 40 km/h.
Friday Night
Partly cloudy, with a low around -4. West wind 13 to 16 km/h.
Saturday
Partly sunny, with a high near 1. West northwest wind 14 to 21 km/h, with gusts as high as 35 km/h.
Saturday Night
Partly cloudy, with a low around -11. West northwest wind 13 to 16 km/h.
Sunday
Sunny, with a high near -2. West northwest wind 13 to 16 km/h, with gusts as high as 29 km/h.
Sunday Night
Mostly clear, with a low around -11. West wind around 11 km/h.
M.L.King Day
Sunny, with a high near 2. West wind 10 to 16 km/h.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
3:16 am CST Jan 13, 2026
4am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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