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.

A Few Clouds

77°F

25°C

Humidity 54%
Wind Speed W 14 G 22 mph
Barometer 29.96 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Jun 12:45 pm CDT
Extended Forecast for

Romeoville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. West wind around 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. West wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 60. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 72. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 80. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 60. West wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 60. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 72. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75.
Wednesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 61.
Thursday
A chance of showers. Mostly sunny, with a high near 76.
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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:
1:21 pm CDT Jun 12, 2026
Forecast Valid:
1pm CDT Jun 12, 2026-6pm CDT Jun 18, 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