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

26°F

-3°C

Humidity 63%
Wind Speed SE 8 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 8 Feb 3:52 am CST
Extended Forecast for

Carbondale/Murphysboro, Southern Illinois Airport IL

  • Today

    Today: Partly sunny, with a high near 44. Southeast wind 6 to 9 mph.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. East southeast wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South southwest wind 5 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. Southwest wind around 8 mph becoming north northwest in the afternoon.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35. North wind around 7 mph.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 50. North northeast wind around 7 mph.

    High: 50 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. East northeast wind 3 to 5 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after noon. Mostly cloudy, with a high near 47. East northeast wind 5 to 7 mph.

    High: 47 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 44. Southeast wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 28. East southeast wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 38. South southwest wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 59. Southwest wind around 8 mph becoming north northwest in the afternoon.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35. North wind around 7 mph.
Wednesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 50. North northeast wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 32. East northeast wind 3 to 5 mph.
Thursday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 47. East northeast wind 5 to 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 32. East northeast wind around 6 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 48. East northeast wind 6 to 8 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 30. East wind around 7 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 47. Southeast wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale/Murphysboro, Southern Illinois Airport IL
 37.79°N 89.25°W
Last Update:
3:16 am CST Feb 8, 2026
Forecast Valid:
4am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
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Additional Resources

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