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

41°F

5°C

Humidity 42%
Wind Speed E 7 mph
Barometer 30.41 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 7 Apr 5:46 pm CDT
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Tonight

    Tonight: A slight chance of snow showers between 3am and 4am. Increasing clouds, with a low around 32. East wind around 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 67 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, 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%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Breezy.
    Partly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 7am. Partly sunny, with a high near 67. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 45. West southwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 80%.

    Low: 45 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of snow showers between 3am and 4am. Increasing clouds, with a low around 32. East wind around 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 67. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, 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%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 7am. Partly sunny, with a high near 67. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 45. West southwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 57.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 53.
Sunday
Mostly cloudy, with a high near 79.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 80. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 56.
Tuesday
Showers likely. Mostly cloudy, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
Last Update:
3:11 pm CDT Apr 7, 2026
Forecast Valid:
6pm CDT Apr 7, 2026-6pm CDT Apr 14, 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