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

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Mostly Cloudy

66°F

19°C

Humidity 64%
Wind Speed W 14 G 21 mph
Barometer 29.54 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Nov 12:46 pm CST
Extended Forecast for

4 Miles S Naperville IL

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 69. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. West northwest wind 5 to 10 mph becoming light after midnight.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48. Calm wind becoming south around 5 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly before noon. Cloudy, with a high near 46.

    High: 46 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 69. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 34. Northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 49. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 29. West northwest wind 5 to 10 mph becoming light after midnight.
Monday
Mostly sunny, with a high near 48. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of rain, mainly before noon. Cloudy, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Rain likely. Mostly cloudy, with a high near 54.
Thursday Night
Rain likely. Mostly cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Naperville IL
 41.7°N 88.16°W
Last Update:
12:41 pm CST Nov 15, 2025
Forecast Valid:
12pm CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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