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

88°F

31°C

Humidity 38%
Wind Speed N 6 mph
Barometer 30.07 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 28 Aug 5:52 pm CDT
Extended Forecast for

2 Miles E Carbondale IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 65. Light north wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 90. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. South southwest wind 6 to 8 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 74. South wind 3 to 5 mph.

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. South southwest wind 3 to 7 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 65. Light north wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 90. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67. Calm wind.
Sunday
Sunny, with a high near 94. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind 3 to 6 mph.
Monday
Sunny, with a high near 96. South southwest wind 6 to 8 mph.
Monday Night
Clear, with a low around 74. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 96. South southwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Calm wind becoming south southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 97. Southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 76. Light south wind.
Friday
Sunny and hot, with a high near 97. Southwest wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Carbondale IL
 37.72°N 89.2°W
Last Update:
5:46 pm CDT Aug 28, 2026
Forecast Valid:
6pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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