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

39°F

4°C

Humidity 48%
Wind Speed S 17 mph
Barometer 29.54 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 24 Feb 6:45 pm CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Tonight

    Tonight: Scattered rain and snow showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 25. Southwest wind 10 to 15 mph becoming west northwest in the evening. Chance of precipitation is 50%.

    Low: 25 °F

    Scattered
    Rain/Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 22. West northwest wind around 5 mph becoming north after midnight.

    Low: 22 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42. North wind 5 to 10 mph becoming south in the morning.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon. Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered rain and snow showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 25. Southwest wind 10 to 15 mph becoming west northwest in the evening. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 35. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 22. West northwest wind around 5 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 42. North wind 5 to 10 mph becoming south in the morning.
Thursday Night
Mostly clear, with a low around 27. South southwest wind around 5 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 31.
Saturday
A chance of snow after noon. Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow after noon. Partly sunny, with a high near 34.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 35.
Monday Night
A chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40.
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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:
6:01 pm CST Feb 24, 2026
Forecast Valid:
7pm CST Feb 24, 2026-6pm CST Mar 3, 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