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.

Light Rain Fog/Mist

48°F

9°C

Humidity 86%
Wind Speed N 18 G 31 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 44°F (7°C)
Visibility 3.00 mi
Wind Chill41°F (5°C)
Last update 2 May 2:52 pm CDT
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms before 4pm, then isolated showers between 4pm and 5pm, then scattered rain after 5pm. Partly sunny, with a high near 61. North wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 61 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 39. North wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Light south southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 56. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Southwest wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. South southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 71. South southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49. West southwest wind 8 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 49 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 60. North northeast wind 6 to 8 mph.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms before 4pm, then isolated showers between 4pm and 5pm, then scattered rain after 5pm. Partly sunny, with a high near 61. North wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 39. North wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 71. Light south southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 56. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Southwest wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. South southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tuesday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 71. South southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49. West southwest wind 8 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 60. North northeast wind 6 to 8 mph.
Wednesday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 45. North northeast wind around 9 mph.
Thursday
Mostly sunny, with a high near 65. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 46. Light and variable wind.
Friday
Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
1:26 pm CDT May 2, 2026
Forecast Valid:
3pm CDT May 2, 2026-6pm CDT May 8, 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