Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

30°F

-1°C

Humidity 58%
Wind Speed E 8 mph
Barometer 30.35 in (1028.2 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 7 Feb 6:52 pm CST
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southeast wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. South southeast wind 5 to 8 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. East southeast wind around 6 mph becoming calm  in the evening.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 65. South southwest wind around 7 mph becoming north northwest in the afternoon.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely.  Mostly cloudy, with a low around 40. North northeast wind around 6 mph.  Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, mainly before noon.  Mostly cloudy, with a high near 50. Northeast wind around 7 mph.

    High: 50 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers after midnight.  Mostly cloudy, with a low around 37. East northeast wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Southeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 48. South southeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 30. East southeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 57. Light and variable wind.
Monday Night
Mostly clear, with a low around 41. Calm wind becoming south southwest around 6 mph in the evening.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. South southwest wind around 7 mph becoming north northwest in the afternoon.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 40. North northeast wind around 6 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 50. Northeast wind around 7 mph.
Wednesday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 37. East northeast wind around 5 mph.
Thursday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 47. East northeast wind 5 to 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 32. Northeast wind around 6 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 48. Northeast wind 6 to 8 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 30. East northeast wind around 7 mph.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 44. Northeast wind 7 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
6:22 pm CST Feb 7, 2026
7pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database