Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

35°F

2°C

Humidity 32%
Wind Speed S 16 mph
Barometer 30.19 in (1022.9 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 15 Dec 3:52 pm CST
Extended Forecast for

Carbondale IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 37. South southwest wind around 10 mph, with gusts as high as 22 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. South southwest wind 6 to 9 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Southwest wind 3 to 6 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight.  Mostly cloudy, with a low around 43. South wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before noon, then rain likely.  High near 56. South wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 90%.

    High: 56 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 38. Light and variable wind becoming west around 6 mph in the morning.

    High: 38 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 37. South southwest wind around 10 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 26. South southwest wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 45. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 53. Southwest wind 3 to 6 mph.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 43. South wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday
Rain and possibly a thunderstorm before noon, then rain likely. High near 56. South wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
Partly cloudy, with a low around 22. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 38. Light and variable wind becoming west around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 30. South wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 54. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 36. South southwest wind 6 to 8 mph becoming north after midnight.
Sunday
Partly sunny, with a high near 51. North northeast wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.23°W
3:16 pm CST Dec 15, 2025
4pm CST Dec 15, 2025-6pm CST Dec 21, 2025
 
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