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

64°F

18°C

Humidity 84%
Wind Speed SW 12 G 24 mph
Barometer 29.82 in (1009.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 Dec 2:52 am CST
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. South southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 72. South southwest wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. North northwest wind around 5 mph becoming light and variable in the evening.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Light and variable wind becoming south southeast 5 to 9 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Cloudy, with a low around 63. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 72. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before midnight, then a chance of rain and snow showers. Low around 26. Blustery, with a southwest wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 26 °F

    Showers then
    Chance
    Rain/Snow and
    Blustery

  • Monday

    Monday: Mostly sunny, with a high near 31. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. South southwest wind around 10 mph, with gusts as high as 21 mph.
Friday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 72. South southwest wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 48. North northwest wind around 5 mph becoming light and variable in the evening.
Saturday
Partly sunny, with a high near 68. Light and variable wind becoming south southeast 5 to 9 mph in the morning.
Saturday Night
Cloudy, with a low around 63. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 72. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before midnight, then a chance of rain and snow showers. Low around 26. Blustery, with a southwest wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 31. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 19. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 37. Northwest wind around 7 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 26. West southwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 43. Light and variable wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 24. Northwest wind 3 to 6 mph.
New Year's Day
Partly sunny, with a high near 37. Northwest wind 6 to 8 mph becoming west southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
2:22 am CST Dec 26, 2025
Forecast Valid:
3am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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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