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

43°F

6°C

Humidity 87%
Wind Speed W 12 G 18 mph
Barometer 30.16 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 6 Apr 5:47 am CDT
Extended Forecast for

Romeoville IL

  • Today

    Today: Mostly sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. East wind around 10 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33. Southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 28. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. East wind around 10 mph.
Tuesday Night
Increasing clouds, with a low around 33. Southeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 54.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Thursday Night
Showers likely. Mostly cloudy, with a low around 49.
Friday
A chance of showers. Partly sunny, with a high near 61.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Partly sunny, with a high near 64.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54.
Sunday
A chance of showers. Mostly cloudy, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.07°W
Last Update:
4:26 am CDT Apr 6, 2026
Forecast Valid:
5am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
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