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 81%
Wind Speed NE 16 mph
Barometer 30.13 in
Dewpoint 37°F (3°C)
Visibility 9.00 mi
Wind Chill35°F (2°C)
Last update 25 Dec 11:45 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 42. East northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Showers, mainly after midnight. Patchy fog after midnight. Low around 40. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Isolated
    Showers then
    Showers and
    Patchy Fog

  • Friday

    Friday: Scattered showers before noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 53. South southeast wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 53 °F

    Scattered
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 48. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 48 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Cloudy, with a low around 46.

    Low: 46 °F

    Cloudy then
    Slight Chance
    Rain

  • Sunday

    Sunday: Rain likely, mainly after noon. Cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before midnight. Mostly cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Blustery.
    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22. Blustery.

    High: 22 °F

    Mostly Sunny
    and Blustery

Detailed Forecast

Christmas Day
Partly sunny, with a high near 42. East northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers, mainly after midnight. Patchy fog after midnight. Low around 40. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers before noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 53. South southeast wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Saturday
Mostly cloudy, with a high near 48. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 46.
Sunday
Rain likely, mainly after noon. Cloudy, with a high near 52. Chance of precipitation is 60%.
Sunday Night
A chance of rain before midnight. Mostly cloudy, with a low around 17. Blustery.
Monday
Mostly sunny, with a high near 22. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
Last Update:
11:36 am CST Dec 25, 2025
Forecast Valid:
12pm CST Dec 25, 2025-6pm CST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation