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

59°F

15°C

Humidity 82%
Wind Speed S 13 mph
Barometer 29.71 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Nov 1:35 am CST
Extended Forecast for

Romeoville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Northwest wind 5 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain before noon. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 34. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 28. Northwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 48.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 36. Chance of precipitation is 70%.
Tuesday
A chance of rain before noon. Mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
Rain likely. Mostly cloudy, with a high near 52.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
Last Update:
1:00 am CST Nov 15, 2025
Forecast Valid:
2am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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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