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.

Fair

75°F

24°C

Humidity 79%
Wind Speed SE 6 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 Oct 9:52 pm CDT
Extended Forecast for

3 Miles SSE Carbondale IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South southwest wind around 6 mph.

    Low: 73 °F

    Clear then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. High near 84. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 53. South southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy, with a north northwest wind 18 to 21 mph, with gusts as high as 30 mph.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. Northeast wind 5 to 7 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South southwest wind around 6 mph.
Wednesday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. High near 84. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. South southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 62. Breezy, with a north northwest wind 18 to 21 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 40. North wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 61. Northeast wind 5 to 7 mph.
Saturday Night
Clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 46. Light south southeast wind.
Monday
Mostly sunny, with a high near 71. South wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 51. Calm wind.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Carbondale IL
 37.68°N 89.2°W
Last Update:
6:01 pm CDT Oct 13, 2026
Forecast Valid:
10pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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