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

40°F

4°C

Humidity 55%
Wind Speed Calm
Barometer 30.18 in (1022.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 2 Feb 12:52 pm CST
Extended Forecast for

4 Miles S Carbondale IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. South wind around 6 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. East southeast wind 3 to 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of drizzle, snow, and freezing rain before 10am, then a chance of drizzle between 10am and 5pm. Cloudy, with a high near 37. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Wintry
    Mix then
    Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. North wind 6 to 8 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. North wind 5 to 7 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Light and variable wind.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Southwest wind 7 to 9 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. West southwest wind 7 to 10 mph becoming north northwest in the afternoon.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. South wind around 6 mph.
Tonight
Mostly cloudy, with a low around 28. East southeast wind 3 to 5 mph.
Tuesday
A chance of drizzle, snow, and freezing rain before 10am, then a chance of drizzle between 10am and 5pm. Cloudy, with a high near 37. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 22. North wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 32. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 15. Light and variable wind.
Thursday
Mostly sunny, with a high near 38. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 29. Southwest wind 7 to 9 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 northwest wind around 6 mph.
Saturday
Sunny, with a high near 38. North northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 24. East northeast wind around 6 mph becoming south southeast after midnight.
Sunday
Mostly sunny, with a high near 43. South wind around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Carbondale IL
 37.68°N 89.2°W
Last Update:
10:57 am CST Feb 2, 2026
Forecast Valid:
1pm CST Feb 2, 2026-6pm CST Feb 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation