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

57°F

14°C

Humidity 48%
Wind Speed S 13 mph
Barometer 30.00 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 4 Nov 5:45 pm CST
Extended Forecast for

Lemont IL

  • Tonight

    Tonight: Mostly clear, with a low around 51. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Breezy, with a northwest wind 15 to 20 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 56. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely, mainly after midnight. Cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain before noon. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain after noon. Mostly cloudy, with a high near 52.

    High: 52 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 51. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 60. Breezy, with a northwest wind 15 to 20 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 15 mph.
Thursday
Increasing clouds, with a high near 56. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Rain likely, mainly after midnight. Cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of rain before noon. Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A chance of rain after noon. Mostly cloudy, with a high near 52.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 33.
Sunday
A chance of rain before noon. Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 25.
Veterans Day
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemont IL
 41.67°N 87.98°W
Last Update:
3:11 pm CST Nov 4, 2025
Forecast Valid:
6pm CST Nov 4, 2025-6pm CST Nov 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation