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

77°F

25°C

Humidity 74%
Wind Speed NE 13 mph
Barometer 29.93 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 5:45 pm CDT
Extended Forecast for

5 Miles SSW Naperville IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. East northeast wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the morning.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East southeast wind around 5 mph becoming calm.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming west northwest after midnight. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. East northeast wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 58. East southeast wind around 5 mph becoming calm.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming west northwest after midnight. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Naperville IL
 41.7°N 88.19°W
Last Update:
4:51 pm CDT Aug 19, 2026
Forecast Valid:
6pm CDT Aug 19, 2026-6pm CDT Aug 26, 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