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

46°F

8°C

Humidity 57%
Wind Speed W 10 G 17 mph
Barometer 29.85 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 27 Feb 10:50 pm CST
Extended Forecast for

Romeoville IL

  • Tonight

    Tonight: Mostly clear, with a low around 30. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 38. East northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 38 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 22. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Cloudy, with a high near 44.

    High: 44 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 30. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Increasing clouds, with a high near 38. East northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 33. Northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 41.
Monday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 31.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 44.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain. Mostly cloudy, with a high near 49.
Wednesday Night
Rain likely. Cloudy, with a low around 40.
Thursday
Rain likely. Mostly cloudy, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
Last Update:
9:31 pm CST Feb 27, 2026
Forecast Valid:
11pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
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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