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

34°F

1°C

Humidity 65%
Wind Speed N 12 mph
Barometer 30.57 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Mar 12:15 am CDT
Extended Forecast for

Lemont IL

  • Overnight

    Overnight: Clear, with a low around 25. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 25 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 49. North northeast wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 39. South southwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy.

    High: 76 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 25. North wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 49. North northeast wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 39. South southwest wind around 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 75.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 39.
Wednesday
A chance of showers. Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 47.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 87.98°W
Last Update:
12:21 am CDT Mar 28, 2026
Forecast Valid:
12am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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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