Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

46°F

8°C

Humidity 79%
Wind Speed NE 6 mph
Barometer 30.14 in (1020.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 Jan 7:52 pm CST
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: A 20 percent chance of showers after 3am.  Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Cloudy then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers between 9am and 11am.  Cloudy, then gradual clearing during the afternoon, with a steady temperature around 45. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 45 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. West southwest wind 6 to 10 mph.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 42. Calm wind.
Saturday
A 20 percent chance of showers between 9am and 11am. Cloudy, then gradual clearing during the afternoon, with a steady temperature around 45. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 27. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 39. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 49. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 35. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 56. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 38. West southwest wind 6 to 10 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 46. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 23. North northwest wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 36. North northwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 25. West wind around 6 mph becoming south southwest in the evening.
Friday
Partly sunny, with a high near 43. Southwest wind 6 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
5:31 pm CST Jan 9, 2026
8pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

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