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

37°F

3°C

Humidity 81%
Wind Speed S 14 G 22 mph
Barometer 29.66 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 13 Jan 7:55 am CST
Extended Forecast for

Romeoville IL

  • Today

    Today: Partly sunny, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Isolated snow showers before 3am, then scattered flurries with isolated snow showers between 3am and 4am, then scattered snow showers after 4am. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then
    Scattered
    Snow Showers
    and Blustery

  • Wednesday

    Wednesday: Scattered snow showers before 9am, then scattered flurries with isolated snow showers between 9am and noon, then scattered flurries after noon. Mostly cloudy, with a temperature falling to around 22 by 5pm. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

    High: 28 °F⇓

    Blustery.
    Scattered
    Snow Showers
    then
    Scattered
    Flurries

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25. North northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow, mainly after midnight. Low around 22. Chance of precipitation is 80%.

    Low: 22 °F

    Chance Snow
    then Snow

  • Friday

    Friday: Snow likely before noon, then snow showers likely after noon. Cloudy, with a high near 35. Chance of precipitation is 70%.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 19.

    High: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Isolated snow showers before 3am, then scattered flurries with isolated snow showers between 3am and 4am, then scattered snow showers after 4am. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday
Scattered snow showers before 9am, then scattered flurries with isolated snow showers between 9am and noon, then scattered flurries after noon. Mostly cloudy, with a temperature falling to around 22 by 5pm. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 14. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 25. North northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Snow, mainly after midnight. Low around 22. Chance of precipitation is 80%.
Friday
Snow likely before noon, then snow showers likely after noon. Cloudy, with a high near 35. Chance of precipitation is 70%.
Friday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 15.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 19.
Saturday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 6.
M.L.King Day
Partly sunny, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.07°W
Last Update:
6:36 am CST Jan 13, 2026
Forecast Valid:
8am CST Jan 13, 2026-6pm CST Jan 19, 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