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

68°F

20°C

Humidity 78%
Wind Speed S 7 mph
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 3 Oct 11:35 pm CDT
Extended Forecast for

Romeoville IL

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South southwest wind 5 to 15 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 64. South wind around 5 mph.
Saturday
Sunny, with a high near 88. South southwest wind 5 to 15 mph.
Saturday Night
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Tuesday
A chance of showers before 1pm. Partly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.07°W
Last Update:
9:26 pm CDT Oct 3, 2025
Forecast Valid:
11pm CDT Oct 3, 2025-6pm CDT Oct 10, 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