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

41°F

5°C

Humidity 70%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 Feb 12:45 pm CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 50. West southwest wind around 5 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South southeast wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 35. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 62. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers after midnight. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 66. Breezy.

    High: 66 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 50. West southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 34. South southeast wind around 5 mph.
Sunday
Sunny, with a high near 57. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 35. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.
Washington's Birthday
Partly sunny, with a high near 62. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
A chance of showers after midnight. Mostly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 66. Breezy.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
A chance of showers. Mostly sunny, with a high near 55.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 33.
Friday
A chance of showers. Partly sunny, with a high near 43.
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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:
12:56 pm CST Feb 14, 2026
Forecast Valid:
1pm CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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