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

72°F

22°C

Humidity 61%
Wind Speed E 7 mph
Barometer 30.15 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 3:45 pm CDT
Extended Forecast for

Romeoville IL

  • Tonight

    Tonight: Isolated showers before 10pm, then isolated showers after 1am. Mostly cloudy, with a low around 57. East wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers before 10am. Partly sunny, with a high near 74. Calm wind becoming east southeast around 5 mph in the morning. Chance of precipitation is 20%.

    High: 74 °F

    Isolated
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers before 10pm, then isolated showers after 1am. Mostly cloudy, with a low around 57. East wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Saturday
Isolated showers before 10am. Partly sunny, with a high near 74. Calm wind becoming east southeast around 5 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 55. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Labor Day
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Scattered showers. Partly sunny, with a high near 74.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
Last Update:
4:12 pm CDT Aug 29, 2025
Forecast Valid:
4pm CDT Aug 29, 2025-6pm CDT Sep 5, 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