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

30°F

-1°C

Humidity 51%
Wind Speed NE 9 mph
Barometer 30.21 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 3 Feb 2:45 pm CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. North northeast wind 5 to 10 mph.

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. North wind around 5 mph, with gusts as high as 15 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. Northwest wind around 5 mph.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 13. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 13 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow and sleet after midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow/Sleet

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.

    High: 40 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. North northeast wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 15. North wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 27. Northwest wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 13. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A chance of snow and sleet after midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 37.
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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:
3:11 pm CST Feb 3, 2026
Forecast Valid:
3pm CST Feb 3, 2026-6pm CST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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