Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Light Rain Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed NE 7 mph
Barometer 29.83 in (1010.3 mb)
Dewpoint 44°F (7°C)
Visibility 1.50 mi
Wind Chill41°F (5°C)
Last update 15 Feb 12:52 am CST
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: Rain.  Low around 45. Northeast wind 5 to 7 mph.  Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before 8am.  High near 55. North northeast wind 6 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    High: 55 °F

    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. North wind around 6 mph becoming calm  in the evening.

    Low: 36 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62. Calm wind becoming south 5 to 8 mph in the morning.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. South southwest wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. West southwest wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Southwest wind 5 to 8 mph.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 45. Northeast wind 5 to 7 mph. Chance of precipitation is 90%.
Sunday
Rain, mainly before 8am. High near 55. North northeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Partly cloudy, with a low around 36. North wind around 6 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 62. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 65. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 59. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 73. West southwest wind 9 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 49. Southwest wind 5 to 8 mph.
Thursday
A chance of showers, mainly after noon. Mostly sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 46. South southwest wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 58. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 33. Northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 52. Northwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
12:46 am CST Feb 15, 2026
1am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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