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 >

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

21°F

-6°C

Humidity 68%
Wind Speed SW 9 mph
Barometer 30.06 in (1019.4 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 15 Dec 3:52 pm CST
Extended Forecast for

Naperville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 16. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 29. South southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. West wind 5 to 10 mph becoming south in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after midnight.  Mostly cloudy, with a low around 31. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Thursday

    Thursday: Rain before noon, then a chance of rain and snow.  High near 46. Breezy.  Chance of precipitation is 90%.

    High: 46 °F

    Rain then
    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 13. Breezy.

    Low: 13 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 16. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Mostly sunny, with a high near 35. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 29. South southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 38. West wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 31. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Rain before noon, then a chance of rain and snow. High near 46. Breezy. Chance of precipitation is 90%.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Breezy.
Friday
Mostly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Naperville IL
 41.77°N 88.15°W
3:50 pm CST Dec 15, 2025
4pm CST Dec 15, 2025-6pm CST Dec 22, 2025
 
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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