National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fog/Mist

32°F

0°C

Humidity 87%
Wind Speed NW 12 G 20 mph
Barometer 29.60 in
Dewpoint 28°F (-2°C)
Visibility 4.00 mi
Wind Chill23°F (-5°C)
Last update 10 Dec 10:45 am CST
Extended Forecast for

Naperville IL

  • Today

    Today: Snow showers, mainly before 11am. Temperature falling to around 28 by 4pm. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F⇓

    Breezy. Snow
    Showers then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 14. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 24. West northwest wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 10 mph.

    High: 24 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 18. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow Likely

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 28. North northeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy and cold, with a high near 10. Chance of precipitation is 60%.

    High: 10 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Partly cloudy, with a low around -4.

    Low: -4 °F

    Chance Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 6.

    High: 6 °F

    Cold

Detailed Forecast

Today
Snow showers, mainly before 11am. Temperature falling to around 28 by 4pm. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 14. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 24. West northwest wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Snow likely. Cloudy, with a low around 18. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 28. North northeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4.
Saturday
Snow likely, mainly after noon. Cloudy and cold, with a high near 10. Chance of precipitation is 60%.
Saturday Night
A chance of snow before midnight. Partly cloudy, with a low around -4.
Sunday
Sunny and cold, with a high near 6.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Partly sunny, with a high near 20.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Naperville IL
 41.74°N 88.15°W
Last Update:
9:26 am CST Dec 10, 2025
Forecast Valid:
10am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation