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

32°F

0°C

Humidity 64%
Wind Speed NW 12 G 14 mph
Barometer 30.36 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 11 Jan 11:45 am CST
Extended Forecast for

Romeoville IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 33. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 33 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers before 3pm. Partly sunny, with a high near 49. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers after 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow showers before midnight. Mostly cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Chance Snow
    Showers and
    Blustery then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 33. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 41. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers before 3pm. Partly sunny, with a high near 49. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of rain and snow showers after 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 34. Breezy.
Wednesday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 17. Blustery.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow showers. Mostly cloudy, with a high near 33.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
Last Update:
11:56 am CST Jan 11, 2026
Forecast Valid:
12pm CST Jan 11, 2026-6pm CST Jan 17, 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