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

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

40°F

4°C

Humidity 63%
Wind Speed W 10 G 17 mph
Barometer 29.89 in (1012.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 16 Jan 9:52 pm CST
Extended Forecast for

Carbondale IL

  • Tonight

    Tonight: A chance of rain showers before midnight, then a slight chance of snow showers between midnight and 2am. Partly cloudy, with a low around 24. West northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Showers then
    Slight Chance
    Snow Showers

  • Saturday

    Saturday: A slight chance of snow showers between 9am and 1pm. Partly sunny, with a high near 31. West northwest wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 14. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 14 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 31. Light west southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17. South southwest wind 8 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 26. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Light and variable wind.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 35. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. South southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain showers before midnight, then a slight chance of snow showers between midnight and 2am. Partly cloudy, with a low around 24. West northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers between 9am and 1pm. Partly sunny, with a high near 31. West northwest wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 14. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 31. Light west southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 17. South southwest wind 8 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
M.L.King Day
Mostly sunny, with a high near 26. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 11. Light and variable wind.
Tuesday
Sunny, with a high near 35. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 27. South southwest wind around 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 49. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 28. Southwest wind 6 to 8 mph becoming northwest after midnight.
Thursday
A chance of showers. Mostly sunny, with a high near 39. Northwest wind 6 to 8 mph.
Thursday Night
A chance of rain or freezing rain. Partly cloudy, with a low around 27. North wind 5 to 7 mph becoming east southeast after midnight.
Friday
A slight chance of showers. Mostly sunny, with a high near 41. East southeast wind 6 to 8 mph becoming south southwest in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
10:16 pm CST Jan 16, 2026
Forecast Valid:
10pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation