Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

26°F

-3°C

Humidity 37%
Wind Speed S 13 mph
Barometer 30.51 in (1033.7 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 20 Jan 10:52 am CST
Extended Forecast for

Carbondale IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 35. South wind 7 to 10 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near 29 by 11pm, then rising to around 34 during the remainder of the night. South wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of showers before 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 46. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 46 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Southwest wind around 5 mph becoming light and variable.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 40. North wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Calm wind becoming north northeast 5 to 7 mph after midnight.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 24. North wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 24 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow showers, mainly after midnight.  Mostly cloudy, with a low around 6. North northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers.  Mostly cloudy, with a high near 17. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 35. South wind 7 to 10 mph.
Tonight
Increasing clouds, with a temperature falling to near 29 by 11pm, then rising to around 34 during the remainder of the night. South wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 46. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 25. Southwest wind around 5 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 40. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 17. Calm wind becoming north northeast 5 to 7 mph after midnight.
Friday
Mostly cloudy, with a high near 24. North wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 6. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 17. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 9. North northeast wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 24. North wind 6 to 8 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 8. West wind 3 to 5 mph.
Monday
Sunny, with a high near 27. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
10:52 am CST Jan 20, 2026
11am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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