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

57°F

14°C

Humidity 82%
Wind Speed SW 15 G 22 mph
Barometer 29.70 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 Nov 3:45 pm CST
Extended Forecast for

Lemont IL

  • This Afternoon

    This Afternoon: A slight chance of drizzle or sprinkles. Cloudy, with a steady temperature around 56. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Slight Chance
    Drizzle

  • Tonight

    Tonight: A slight chance of drizzle or sprinkles before 10pm, then a slight chance of rain after 5am. Cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 54. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly before 9pm. Cloudy, with a low around 40. North wind around 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Chance Rain
    then Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of drizzle or sprinkles. Cloudy, with a steady temperature around 56. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of drizzle or sprinkles before 10pm, then a slight chance of rain after 5am. Cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 54. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 50 percent chance of rain, mainly before 9pm. Cloudy, with a low around 40. North wind around 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 39.
Veterans Day
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 88.01°W
Last Update:
1:06 pm CST Nov 4, 2026
Forecast Valid:
4pm CST Nov 4, 2026-6pm CST Nov 11, 2026
 
Forecast Discussion
 
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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