National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

85°F

29°C

Humidity 33%
Wind Speed SW 10 G 21 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 7 Oct 2:52 pm CDT
Extended Forecast for

4 Miles WSW Carbondale IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Southwest wind around 7 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the morning.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South southeast wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81. Light and variable wind becoming east southeast 5 to 9 mph in the morning.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. East northeast wind 7 to 9 mph.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 75. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 75 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Southwest wind around 7 mph.
Tonight
Clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.
Thursday Night
Clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 61. South southeast wind 3 to 5 mph.
Saturday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81. Light and variable wind becoming east southeast 5 to 9 mph in the morning.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. East northeast wind 7 to 9 mph.
Sunday
Partly sunny, with a high near 75. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 58. Calm wind.
Columbus Day
Mostly sunny, with a high near 84. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 58. South southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 74. West wind 7 to 11 mph becoming north northwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Carbondale IL
 37.7°N 89.29°W
Last Update:
1:50 pm CDT Oct 7, 2026
Forecast Valid:
3pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation