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

25°F

-4°C

Humidity 69%
Wind Speed NW 3 mph
Barometer 30.42 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 4 Feb 11:45 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • This Afternoon

    This Afternoon: Cloudy, then gradually becoming mostly sunny, with a high near 26. Northwest wind around 5 mph.

    High: 26 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 15. Calm wind becoming southwest around 5 mph after midnight.

    Low: 15 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Isolated snow showers between 9am and 3pm. Cloudy, with a high near 32. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 32 °F

    Isolated Snow
    Showers

  • Thursday Night

    Thursday Night: Scattered snow showers after midnight, mixing with freezing rain after 3am. Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then
    Scattered
    Wintry Mix

  • Friday

    Friday: Mostly cloudy, with a high near 40. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 40 °F

    Mostly Cloudy
    and Breezy

  • 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

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, then gradually becoming mostly sunny, with a high near 26. Northwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 15. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Isolated snow showers between 9am and 3pm. Cloudy, with a high near 32. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Scattered snow showers after midnight, mixing with freezing rain after 3am. Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 40. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
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 34.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
Last Update:
9:56 am CST Feb 4, 2026
Forecast Valid:
12pm CST Feb 4, 2026-6pm CST Feb 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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