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.

Overcast

63°F

17°C

Humidity 100%
Wind Speed NE 8 mph
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Jun 2:15 am CDT
Extended Forecast for

Lemont IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 77. East northeast wind around 10 mph.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday
Partly sunny, with a high near 77. East northeast wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 64. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 86. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 94.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 87.98°W
Last Update:
1:21 am CDT Jun 27, 2026
Forecast Valid:
2am CDT Jun 27, 2026-6pm CDT Jul 3, 2026
 
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