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.

Mostly Cloudy

36°F

2°C

Humidity 65%
Wind Speed E 9 mph
Barometer 30.21 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 11:45 am CDT
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • This Afternoon

    This Afternoon: A slight chance of snow showers, mixing with rain after 2pm, then gradually ending. Mostly cloudy, with a high near 43. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Cloudy, with a low around 38. East southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 64. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 1am, then snow showers, possibly mixed with rain between 1am and 4am, then snow showers after 4am. Patchy blowing snow after 2am. Low around 21. Windy, with a southwest wind 20 to 30 mph becoming northwest in the evening. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Showers and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow showers, mainly before 1pm. Patchy blowing snow. High near 25. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.

    High: 25 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of snow showers, mixing with rain after 2pm, then gradually ending. Mostly cloudy, with a high near 43. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers after 10pm. Cloudy, with a low around 38. East southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 64. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain showers before 1am, then snow showers, possibly mixed with rain between 1am and 4am, then snow showers after 4am. Patchy blowing snow after 2am. Low around 21. Windy, with a southwest wind 20 to 30 mph becoming northwest in the evening. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Monday
Snow showers, mainly before 1pm. Patchy blowing snow. High near 25. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 10. Blustery.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
Last Update:
11:56 am CDT Mar 14, 2026
Forecast Valid:
12pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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