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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

79°F

26°C

Humidity 41%
Wind Speed SW 15 G 29 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Mar 8:52 pm CDT
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 44. South southwest wind 11 to 16 mph becoming north after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 32. North wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Southeast wind 3 to 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. South wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 64. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 44. South southwest wind 11 to 16 mph becoming north after midnight. Winds could gust as high as 30 mph.
Friday
Showers and thunderstorms likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 32. North wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 39. Southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 68. South wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 81. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 64. South wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 85. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South southwest wind around 14 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind around 14 mph, with gusts as high as 23 mph.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South wind around 15 mph, with gusts as high as 24 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
8:26 pm CDT Mar 26, 2026
Forecast Valid:
9pm CDT Mar 26, 2026-6pm CDT Apr 2, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation