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.

Mostly Cloudy

28°F

-2°C

Humidity 47%
Wind Speed NE 10 mph
Barometer 30.48 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 1 Mar 6:45 pm CST
Extended Forecast for

Romeoville IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 46. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Isolated showers after 3am. Mostly cloudy, with a low around 34. East southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tuesday

    Tuesday: Showers. High near 45. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.

    High: 45 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Cloudy, with a low around 38. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon. Cloudy, with a high near 58.

    High: 58 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 46. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Isolated showers after 3am. Mostly cloudy, with a low around 34. East southeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Showers. High near 45. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.
Tuesday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Cloudy, with a low around 38. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 55. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
Showers likely, mainly before noon. Cloudy, with a high near 58.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
Showers. Mostly cloudy, with a high near 69.
Friday Night
Showers likely. Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Mostly cloudy, with a high near 57.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
Last Update:
7:01 pm CST Mar 1, 2026
Forecast Valid:
7pm CST Mar 1, 2026-6pm CDT Mar 8, 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