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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

27°F

-3°C

Humidity 58%
Wind Speed S 12 mph
Barometer 30.30 in (1026.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 1 Feb 2:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: A 20 percent chance of snow after 5pm. Cloudy, with a high near 30. South wind around 8 mph.

    High: 30 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. South wind 5 to 8 mph becoming calm after midnight.

    Low: 18 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Calm wind becoming west northwest around 5 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 9am, then a chance of rain, snow, and freezing rain between 9am and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 37. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 40%.

    High: 37 °F

    Chance Wintry
    Mix

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. North wind 5 to 7 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. North wind 5 to 7 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. North northwest wind around 5 mph becoming calm in the evening.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow after 5pm. Cloudy, with a high near 30. South wind around 8 mph.
Tonight
A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. South wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 39. Calm wind becoming west northwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 26. Calm wind.
Tuesday
A chance of snow before 9am, then a chance of rain, snow, and freezing rain between 9am and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 37. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 20. North wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 31. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 14. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 37. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 28. Southwest wind around 8 mph.
Friday
Mostly sunny, with a high near 47. West southwest wind 7 to 10 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 22. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 37. Light and variable wind becoming north northeast around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
3:16 pm CST Feb 1, 2026
Forecast Valid:
3pm CST Feb 1, 2026-6pm CST Feb 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation