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

25°F

-4°C

Humidity 69%
Wind Speed E 6 mph
Barometer 29.90 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 26 Feb 7:45 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Today

    Today: Mostly sunny, with a high near 43. Northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. South southwest wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Cloudy, with a high near 39. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 43. Northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 31. South southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Partly cloudy, with a low around 30. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
A 40 percent chance of snow after noon. Cloudy, with a high near 39. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 32.
Sunday Night
A chance of snow. Cloudy, with a low around 21.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
A chance of rain. Cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
Last Update:
4:26 am CST Feb 26, 2026
Forecast Valid:
7am CST Feb 26, 2026-6pm CST Mar 4, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation