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

16°F

-9°C

Humidity 53%
Wind Speed NW 18 G 28 mph
Barometer 30.51 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 31 Jan 11:52 am CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 20. North northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 20 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Northwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 28. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South southwest wind 3 to 7 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West southwest wind 3 to 5 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 38. Calm wind becoming east northeast around 6 mph in the morning. Chance of precipitation is 40%.

    High: 38 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 21. North wind around 6 mph.

    Low: 21 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30. North wind 6 to 9 mph.

    High: 30 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 20. North northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 2. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Sunday
Increasing clouds, with a high near 28. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 19. South southwest wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 39. West southwest wind 3 to 5 mph.
Monday Night
Mostly cloudy, with a low around 27. Calm wind.
Tuesday
A slight chance of rain and snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 38. Calm wind becoming east northeast around 6 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 21. North wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 30. North wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 12. North wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 33. Calm wind becoming west around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 22. South southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 43. Southwest wind 8 to 10 mph becoming northwest in the afternoon.
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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:
8:36 am CST Jan 31, 2026
Forecast Valid:
12pm CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation