National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

A Few Clouds

41°F

5°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 30.13 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Apr 7:45 am CDT
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

Frost Advisory April 19, 08:32am until April 19, 09:00am
Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Frost Advisory April 19, 08:32am until April 19, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Today

    High: 50 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Slight Chance
    Showers then
    Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 53. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 53 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of showers, mainly between 11am and 3pm. Increasing clouds, with a high near 50. Breezy, with a west southwest wind 10 to 15 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A 10 percent chance of showers before 7pm. Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 53. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Monday Night
Partly cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 62.
Friday
Showers likely. Mostly cloudy, with a high near 73.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 65.
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:
2:56 am CDT Apr 19, 2026
Forecast Valid:
8am CDT Apr 19, 2026-6pm CDT Apr 25, 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