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.

Mostly Cloudy

34°F

1°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 15 Feb 2:15 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 34. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. South southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Breezy.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 56. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 34. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.
Washington's Birthday
Mostly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 39. South southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 65. Breezy.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
A chance of rain after noon. Partly sunny, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 33.
Friday
A chance of rain and snow. Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 38.
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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:
2:11 am CST Feb 15, 2026
Forecast Valid:
2am CST Feb 15, 2026-6pm CST Feb 21, 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