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

48°F

9°C

Humidity 94%
Wind Speed SW 12 G 18 mph
Barometer 29.99 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Feb 9:45 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 63. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Patchy Fog
    then Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 40. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Sunny, with a high near 65. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 65 °F

    Breezy.
    Slight Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: A chance of rain. Partly sunny, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Washington's Birthday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 63. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 40. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 58. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers before noon. Sunny, with a high near 65. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 40 percent chance of rain after noon. Partly sunny, with a high near 60.
Thursday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 34.
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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:
9:16 am CST Feb 16, 2026
Forecast Valid:
9am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
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