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

81°F

27°C

Humidity 58%
Wind Speed E 7 mph
Barometer 30.06 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 7 Jul 7:45 pm CDT
Extended Forecast for

4 Miles SSW Naperville IL

  • Tonight

    Tonight: Mostly clear, with a low around 64. Northwest wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 85. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 85 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 67. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 85. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 69. South southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 85. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 67. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Naperville IL
 41.72°N 88.18°W
Last Update:
2:41 pm CDT Jul 7, 2026
Forecast Valid:
7pm CDT Jul 7, 2026-6pm CDT Jul 14, 2026
 
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