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

26°F

-3°C

Humidity 55%
Wind Speed Calm
Barometer 30.35 in (1028.0 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 22 Jan 6:52 am CST
Extended Forecast for

Carbondale IL

Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Mostly sunny, with a high near 40. North wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. Light north northeast wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 22 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a temperature falling to around 17 by 8am. North wind around 15 mph, with gusts as high as 25 mph.

    High: 22 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -7. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 8 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers. High near 15. Northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 15 °F

    Snow Showers
    Likely then
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers before 9pm, then snow showers, possibly mixed with sleet between 9pm and midnight, then snow showers after midnight. Low around 12. North wind 8 to 10 mph. Chance of precipitation is 90%.

    Low: 12 °F

    Snow/Sleet
    then Snow
    Showers

  • Sunday

    Sunday: A 50 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 18. North northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 18 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3. West northwest wind 5 to 8 mph.

    Low: 3 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 21. West northwest wind around 6 mph becoming south southwest in the afternoon.

    High: 21 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 40. North wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 16. Light north northeast wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a temperature falling to around 17 by 8am. North wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -7. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday
Snow showers. High near 15. Northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Saturday Night
Snow showers before 9pm, then snow showers, possibly mixed with sleet between 9pm and midnight, then snow showers after midnight. Low around 12. North wind 8 to 10 mph. Chance of precipitation is 90%.
Sunday
A 50 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 18. North northwest wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 3. West northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 21. West northwest wind around 6 mph becoming south southwest in the afternoon.
Monday Night
Mostly clear, with a low around 8. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 32. South southwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 18. South wind around 6 mph becoming west after midnight.
Wednesday
Partly sunny, with a high near 32. West northwest wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
Last Update:
6:17 am CST Jan 22, 2026
Forecast Valid:
7am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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