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.

Fair

36°F

2°C

Humidity 46%
Wind Speed Calm
Barometer 30.45 in (1031.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 28 Nov 12:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. Calm wind.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly after 4am. Increasing clouds, with a low around 29. Calm wind becoming southeast around 6 mph after midnight.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Snow showers before 11am, then rain showers. High near 42. South wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    then Showers

  • Saturday Night

    Saturday Night: Showers, mainly before midnight. Low around 27. South wind 13 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 27 °F

    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. North northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East northeast wind 3 to 5 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Cloudy, with a low around 23. Light north northwest wind.

    Low: 23 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 40. Calm wind.
Tonight
A 50 percent chance of snow showers, mainly after 4am. Increasing clouds, with a low around 29. Calm wind becoming southeast around 6 mph after midnight.
Saturday
Snow showers before 11am, then rain showers. High near 42. South wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday Night
Showers, mainly before midnight. Low around 27. South wind 13 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy, with a high near 33. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 22. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East northeast wind 3 to 5 mph.
Monday Night
Snow showers likely, mainly before midnight. Cloudy, with a low around 23. Light north northwest wind.
Tuesday
Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 39. Calm wind becoming south southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 36. Northwest wind around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
12:51 pm CST Nov 28, 2025
Forecast Valid:
1pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation