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Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Thunderstorm in Vicinity Rain

72°F

22°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 9:15 pm CDT
Extended Forecast for

3 Miles SSW Naperville IL

Flood Watch August 18, 09:35pm until August 19, 04:00am
Flood Advisory until August 19, 03:15am
Click here for hazard details and duration
Flood Watch
Flood Advisory
  •  
    Flood Watch August 18, 09:35pm until August 19, 04:00am
    Flood Advisory until August 19, 03:15am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 71 °F

    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. West wind 5 to 10 mph becoming north in the morning.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. North wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 1am. Low around 71. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. West wind 5 to 10 mph becoming north in the morning.
Tuesday Night
Partly cloudy, with a low around 68. North wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 80. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 65. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Naperville IL
 41.72°N 88.18°W
Last Update:
9:26 pm CDT Aug 18, 2025
Forecast Valid:
9pm CDT Aug 18, 2025-6pm CDT Aug 25, 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