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

34°F

1°C

Humidity 48%
Wind Speed W 5 mph
Barometer 29.78 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 25 Feb 5:47 pm CST
Extended Forecast for

Romeoville IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow after noon. Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Mostly sunny, with a high near 44. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 31. South southwest wind around 5 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 61. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 30. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A chance of snow after noon. Mostly cloudy, with a high near 32.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 34.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A chance of rain. Partly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
Last Update:
6:11 pm CST Feb 25, 2026
Forecast Valid:
6pm CST Feb 25, 2026-6pm CST Mar 4, 2026
 
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Additional Resources

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Chance of Precipitation