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

32°F

0°C

Humidity 87%
Wind Speed S 9 mph
Barometer 29.81 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 10 Feb 3:15 am CST
Extended Forecast for

Romeoville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 34. South southwest wind around 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind 10 to 15 mph becoming north northwest in the morning. Winds could gust as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. Northwest wind around 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 41. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Cloudy, with a high near 41.

    High: 41 °F

    Cloudy then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. South southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 10 to 15 mph becoming north northwest in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 26. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 41. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
A 20 percent chance of snow after noon. Cloudy, with a high near 41.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 27.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain. Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 29.
Washington's Birthday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
Last Update:
3:11 am CST Feb 10, 2026
Forecast Valid:
3am CST Feb 10, 2026-6pm CST Feb 16, 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