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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Light north northeast wind.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy frost after midnight. Otherwise, clear, with a low around 36. Light southwest wind.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 7am. Otherwise, sunny, with a high near 63. Southwest wind 3 to 7 mph.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. South southwest wind 7 to 9 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. South southwest wind 6 to 10 mph becoming west in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 39. Calm wind.
Sunday
Mostly sunny, with a high near 55. Light north northeast wind.
Sunday Night
Patchy frost after midnight. Otherwise, clear, with a low around 36. Light southwest wind.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 63. Southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Mostly sunny, with a high near 66. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 49. South southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 70. South southwest wind 6 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Light east southeast wind becoming south southeast 5 to 9 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. South wind 7 to 10 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 46. West wind 3 to 6 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 67. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.7°N 89.2°W
Last Update:
1:26 am CST Nov 2, 2025
Forecast Valid:
3am CST Nov 2, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation