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.

Fog/Mist

73°F

23°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 3.00 mi
Last update 19 Aug 7:45 am CDT
Extended Forecast for

4 Miles SE Lemont IL

Flood Advisory August 19, 08:29am until August 19, 10:30am
Click here for hazard details and duration
...
  •  
    Flood Advisory August 19, 08:29am until August 19, 10:30am

    NOW until 10:30am Tue

    Flood Advisory

  • Today

    High: 80 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. North wind 5 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles before 1pm. Mostly sunny, with a high near 79. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Chance
    Sprinkles

  • 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 80. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Sunny

  • Thursday Night

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

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 80. West northwest wind 5 to 10 mph becoming north northeast in the afternoon.
Tonight
Mostly cloudy, with a low around 66. North wind 5 to 10 mph.
Wednesday
A chance of sprinkles before 1pm. Mostly sunny, with a high near 79. North northeast wind 5 to 15 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 80. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 58.
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:
4 Miles SE Lemont IL
 41.63°N 87.93°W
Last Update:
4:26 am CDT Aug 19, 2025
Forecast Valid:
8am CDT Aug 19, 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