Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Thunderstorm in Vicinity Light Rain and Windy

46°F

8°C

Humidity 86%
Wind Speed NW 26 G 38 mph
Barometer 29.44 in (997.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Mar 7:52 pm CDT
Extended Forecast for

Carbondale IL

Wind Advisory March 15, 08:33pm until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 15, 08:33pm until March 16, 07:00am

    NOW until 7:00am Mon

    Wind Advisory

  • Tonight

    Low: 26 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow showers between 9am and noon.  Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    High: 35 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. West northwest wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 39. Northwest wind 5 to 7 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am.  Mostly cloudy, with a low around 30. Light south southeast wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South wind 5 to 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 26. Breezy, with a west wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Monday
A slight chance of snow showers between 9am and noon. Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 18. West northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 39. Northwest wind 5 to 7 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Light south southeast wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 59. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 42. South wind 5 to 8 mph.
Thursday
Sunny, with a high near 70. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 46. North wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 74. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 52. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 77. West northwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 50. North northwest wind around 8 mph becoming east northeast after midnight.
Sunday
Mostly sunny, with a high near 75. South wind 7 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
8:21 pm CDT Mar 15, 2026
8pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
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