National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

55°F

13°C

Humidity 100%
Wind Speed N 10 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 55°F (13°C)
Visibility 5.00 mi
Wind Chill52°F (11°C)
Last update 22 Nov 12:52 am CST
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 49. North northwest wind 6 to 8 mph.

    Low: 49 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 58. North wind 3 to 7 mph.

    High: 58 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Light west southwest wind.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after noon. Cloudy, with a high near 59. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 70%.

    High: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 52. South southeast wind around 7 mph becoming southwest after midnight. Chance of precipitation is 100%.

    Low: 52 °F

    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before noon. Partly sunny, with a high near 64. Southwest wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 64 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. North northwest wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 49. North northwest wind 6 to 8 mph.
Saturday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 58. North wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 41. Light west southwest wind.
Sunday
Sunny, with a high near 62. Calm wind.
Sunday Night
Partly cloudy, with a low around 42. Calm wind.
Monday
Showers likely, mainly after noon. Cloudy, with a high near 59. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 70%.
Monday Night
Showers. Low around 52. South southeast wind around 7 mph becoming southwest after midnight. Chance of precipitation is 100%.
Tuesday
A chance of showers before noon. Partly sunny, with a high near 64. Southwest wind 5 to 8 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. North northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 50. West northwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 29. West wind 3 to 5 mph.
Thanksgiving Day
Mostly sunny, with a high near 48. West wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 31. Light and variable wind.
Friday
A slight chance of showers. Mostly sunny, with a high near 47. North wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
9:56 pm CST Nov 21, 2025
Forecast Valid:
1am CST Nov 22, 2025-6pm CST Nov 28, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation