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 81%
Wind Speed SW 7 mph
Barometer 29.62 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Jan 1:55 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Overnight

    Overnight: A slight chance of rain and snow between 4am and 5am, then a chance of snow. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow before 9am. Mostly cloudy, with a temperature falling to around 23 by 5pm. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 29 °F⇓

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 26. North northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 26 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow. Low around 22. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 22 °F

    Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.

    High: 36 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 18.

    High: 18 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain and snow between 4am and 5am, then a chance of snow. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of snow before 9am. Mostly cloudy, with a temperature falling to around 23 by 5pm. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 15. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Increasing clouds, with a high near 26. North northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Snow. Low around 22. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Friday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
A chance of snow. Mostly cloudy, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 7.
M.L.King Day
Partly sunny, with a high near 17.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
Last Update:
12:26 am CST Jan 14, 2026
Forecast Valid:
2am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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