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

27°F

-3°C

Humidity 74%
Wind Speed SE 9 mph
Barometer 30.28 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 8 Feb 9:15 pm CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Southeast wind 5 to 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. South wind around 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after noon. Cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 42. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 33. South wind around 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 46. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 26. Northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
A chance of snow after noon. Cloudy, with a high near 37.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A chance of rain. Mostly sunny, with a high near 40.
Saturday Night
A chance of rain. Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 41.
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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:
7:46 pm CST Feb 8, 2026
Forecast Valid:
9pm CST Feb 8, 2026-6pm CST Feb 15, 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