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

41°F

5°C

Humidity 70%
Wind Speed Vrbl 3 mph
Barometer 30.13 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 3 Mar 11:45 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 43. Calm wind becoming north northeast around 5 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 48. East northeast wind 5 to 10 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Patchy fog after 9pm. Otherwise, cloudy, with a low around 42. East northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers, mainly before noon. Patchy fog before 8am. High near 53. East northeast wind 5 to 10 mph becoming west northwest in the morning. Chance of precipitation is 80%.

    High: 53 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: A chance of showers before noon. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 43. Calm wind becoming north northeast around 5 mph.
Tonight
Mostly cloudy, with a low around 34. Northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 48. East northeast wind 5 to 10 mph.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Patchy fog after 9pm. Otherwise, cloudy, with a low around 42. East northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%.
Thursday
Showers, mainly before noon. Patchy fog before 8am. High near 53. East northeast wind 5 to 10 mph becoming west northwest in the morning. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43.
Friday
Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.
Friday Night
Showers likely, then showers and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 54.
Saturday
A chance of showers before noon. Mostly cloudy, with a high near 63.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 68.
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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:
12:21 pm CST Mar 3, 2026
Forecast Valid:
12pm CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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