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

86°F

30°C

Humidity 49%
Wind Speed SW 14 G 23 mph
Barometer 29.82 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 12 Oct 1:45 pm CDT
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 86. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. West wind around 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 71. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 55.

    Low: 55 °F

    Cloudy

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 59. Breezy.

    High: 59 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 86. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 71. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 84. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 71. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Cloudy, with a low around 55.
Thursday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 66. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 1am. Cloudy, with a low around 49.
Friday
Partly sunny, with a high near 59. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 64.
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
 41.63°N 88.1°W
Last Update:
1:21 pm CDT Oct 12, 2026
Forecast Valid:
1pm CDT Oct 12, 2026-6pm CDT Oct 18, 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