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

30°F

-1°C

Humidity 75%
Wind Speed W 6 mph
Barometer 29.60 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 25 Feb 12:55 am CST
Extended Forecast for

Romeoville IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 36. West northwest wind 10 to 15 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. South southwest wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

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

    High: 40 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 36. West northwest wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 21. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Thursday
Mostly sunny, with a high near 43. 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 29. South southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 31.
Saturday
A chance of snow after noon. Mostly cloudy, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow after noon. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow. 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:
12:20 am CST Feb 25, 2026
Forecast Valid:
1am 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