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

48°F

9°C

Humidity 87%
Wind Speed N 8 mph
Barometer 30.28 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Apr 12:45 pm CDT
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 57. North northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 36. East northeast wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 59. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 59 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 77. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 77 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 62. Breezy. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 57. North northwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 36. East northeast wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 59. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 77. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 62. Breezy. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Breezy.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 54.
Thursday
A chance of showers. Partly sunny, with a high near 77.
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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:
10:11 am CDT Apr 10, 2026
Forecast Valid:
12pm CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation