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

16°F

-9°C

Humidity 79%
Wind Speed S 7 mph
Barometer 30.31 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 1 Feb 9:45 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Today

    Today: Partly sunny, with a high near 27. South southwest wind 5 to 15 mph.

    High: 27 °F

    Partly Sunny

  • Tonight

    Tonight: Snow likely, mainly between 9pm and 3am. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    then Snow
    Likely

  • Monday

    Monday: A slight chance of flurries between 9am and 3pm. Mostly cloudy, with a high near 30. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 30 °F

    Slight Chance
    Flurries

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Northwest wind around 5 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. North wind around 5 mph, with gusts as high as 10 mph.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 27. South southwest wind 5 to 15 mph.
Tonight
Snow likely, mainly between 9pm and 3am. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of flurries between 9am and 3pm. Mostly cloudy, with a high near 30. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 15. Northwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 27. North wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Partly sunny, with a high near 33.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of snow. Mostly cloudy, with a high near 34.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 21.
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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:
9:46 am CST Feb 1, 2026
Forecast Valid:
10am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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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