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.

Partly Cloudy

81°F

27°C

Humidity 54%
Wind Speed NW 6 G 13 mph
Barometer 30.02 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 3:50 pm CDT
Extended Forecast for

New Lenox IL

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 77. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 77 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 77. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 78.
Friday Night
A chance of showers. Partly cloudy, with a low around 62.
Saturday
A chance of showers. Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Lenox IL
 41.52°N 87.96°W
Last Update:
2:46 pm CDT Aug 17, 2026
Forecast Valid:
4pm CDT Aug 17, 2026-6pm CDT Aug 24, 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