Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

12°F

-11°C

Humidity 62%
Wind Speed N 10 mph
Barometer 30.45 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 30 Jan 8:52 pm CST
Extended Forecast for

Carbondale IL

Cold Weather Advisory until January 31, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 31, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Tonight

    Low: 9 °F

    Chance
    Flurries

  • Saturday

    Saturday: Partly sunny, with a high near 19. Wind chill values as low as -9. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 28. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South wind 3 to 6 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after noon.  Mostly cloudy, with a high near 41. South southeast wind around 6 mph becoming north in the afternoon.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of flurries, mainly before 2am. Mostly cloudy, with a steady temperature around 9. Wind chill values as low as -6. North northwest wind around 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 19. Wind chill values as low as -9. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 2. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 28. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 19. South wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 38. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 26. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
A chance of showers after noon. Mostly cloudy, with a high near 41. South southeast wind around 6 mph becoming north in the afternoon.
Tuesday Night
A chance of showers before midnight. Mostly cloudy, with a low around 27. North wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 33. North northwest wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 17. North northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 34. Light and variable wind becoming northwest around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 26. South southwest wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 43. West southwest wind 8 to 10 mph becoming northwest in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
7:16 pm CST Jan 30, 2026
10pm CST Jan 30, 2026-6pm CST Feb 6, 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