National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Mostly Cloudy

7°F

-14°C

Humidity 78%
Wind Speed W 12 G 23 mph
Barometer 30.09 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 18 Jan 6:45 am CST
Extended Forecast for

2 Miles WNW Chicago/Romeoville, Lewis University Airport IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 20 °F

    Partly Sunny
    then Snow
    Likely

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 1. Wind chill values as low as -18. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 1 °F

    Snow and
    Breezy then
    Slight Chance
    Snow and
    Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 8. Wind chill values as low as -19. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 8 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

Today
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 11pm. Low around 1. Wind chill values as low as -18. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
M.L.King Day
Mostly sunny and cold, with a high near 8. Wind chill values as low as -19. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 3. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 22. West southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
A chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Partly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.13°W
Last Update:
5:21 am CST Jan 18, 2026
Forecast Valid:
7am CST Jan 18, 2026-6pm CST Jan 24, 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