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.

A Few Clouds

63°F

17°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 30.13 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 8 Sep 5:35 am CDT
Extended Forecast for

4 Miles SSW Naperville IL

  • Today

    Today: Mostly sunny, with a high near 85. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 70. South wind 5 to 10 mph.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 1pm. High near 82. West southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64. West wind around 5 mph becoming north northwest after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers before 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 85. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.
Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 70. South wind 5 to 10 mph.
Wednesday
Showers and thunderstorms, mainly before 1pm. High near 82. West southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 64. West wind around 5 mph becoming north northwest after midnight.
Thursday
Mostly sunny, with a high near 79. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 63.
Saturday
A chance of showers before 1pm. Partly sunny, with a high near 82.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 62.
Sunday
A chance of showers. Partly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Naperville IL
 41.72°N 88.18°W
Last Update:
2:46 am CDT Sep 8, 2026
Forecast Valid:
5am CDT Sep 8, 2026-6pm CDT Sep 14, 2026
 
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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