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

36°F

2°C

Humidity 41%
Wind Speed W 14 G 20 mph
Barometer 29.71 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 25 Feb 12:45 pm CST
Extended Forecast for

Romeoville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 36. West northwest wind 5 to 15 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Northwest wind around 5 mph becoming calm in the evening.

    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 5 to 10 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.

    Low: 30 °F

    Partly Cloudy

  • Saturday

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

    High: 40 °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

Detailed Forecast

This Afternoon
Sunny, with a high near 36. West northwest wind 5 to 15 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Northwest wind around 5 mph becoming calm in the evening.
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 5 to 10 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.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 40.
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 21.
Tuesday
A chance of rain. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
Last Update:
12:46 pm CST Feb 25, 2026
Forecast Valid:
1pm CST Feb 25, 2026-6pm CST Mar 3, 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