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

12°F

-11°C

Humidity 34%
Wind Speed N 16 G 24 mph
Barometer 30.64 in (1038.3 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 23 Jan 4:52 pm CST
Extended Forecast for

Carbondale IL

Cold Weather Advisory January 23, 06:00pm until January 24, 01:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 7. Wind chill values as low as -6. North northeast wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 7 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow, mainly after 9am. High near 14. Wind chill values as low as -7. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 14 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 12. Wind chill values as low as -1. North northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 12 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: Snow. High near 16. Wind chill values as low as -2. North northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 16 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 1. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 1 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 14. Northwest wind 5 to 10 mph becoming light west in the afternoon.

    High: 14 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Calm wind becoming south southwest 5 to 8 mph in the evening.

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27. Southwest wind 6 to 9 mph.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6. Southwest wind around 5 mph becoming calm in the evening.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 7. Wind chill values as low as -6. North northeast wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday
Snow, mainly after 9am. High near 14. Wind chill values as low as -7. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow. Low around 12. Wind chill values as low as -1. North northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 16. Wind chill values as low as -2. North northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 1. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 14. Northwest wind 5 to 10 mph becoming light west in the afternoon.
Monday Night
Mostly clear, with a low around 1. Calm wind becoming south southwest 5 to 8 mph in the evening.
Tuesday
Sunny, with a high near 27. Southwest wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 6. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 24. Calm wind becoming west northwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 6. West southwest wind around 6 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 19. North northwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 4. North northwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 19. North 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:
3:16 pm CST Jan 23, 2026
Forecast Valid:
5pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
Forecast Discussion
 
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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