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.

Overcast

43°F

6°C

Humidity 66%
Wind Speed N 15 G 18 mph
Barometer 29.93 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Nov 1:45 pm CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly after 5pm. Partly sunny, with a high near 45. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: A chance of rain before 7pm, then a chance of rain and snow between 7pm and 9pm, then a chance of snow after 9pm. Mostly cloudy, with a low around 33. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of rain and snow before noon, then a chance of rain between noon and 5pm, then a slight chance of rain and snow after 5pm. Mostly cloudy, with a high near 43. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. North northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 46 °F

    Sunny

  • Saturday Night

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

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly after 5pm. Partly sunny, with a high near 45. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A chance of rain before 7pm, then a chance of rain and snow between 7pm and 9pm, then a chance of snow after 9pm. Mostly cloudy, with a low around 33. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday
A chance of rain and snow before noon, then a chance of rain between noon and 5pm, then a slight chance of rain and snow after 5pm. Mostly cloudy, with a high near 43. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 30. North northwest wind around 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 49.
Sunday Night
Clear, with a low around 28.
Monday
Sunny, with a high near 50.
Monday Night
Clear, with a low around 29.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.08°W
Last Update:
12:35 pm CST Nov 12, 2026
Forecast Valid:
2pm CST Nov 12, 2026-6pm CST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation