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.

Fair

61°F

16°C

Humidity 88%
Wind Speed SE 8 mph
Barometer 29.94 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 10:35 pm CDT
Extended Forecast for

4 Miles SSW Naperville IL

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am. Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 60. South wind around 5 mph.
Columbus Day
Sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 69. South southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 84. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am. Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 71.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 60. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Naperville IL
 41.7°N 88.19°W
Last Update:
9:56 pm CDT Oct 11, 2026
Forecast Valid:
10pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation