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.

Fair

39°F

4°C

Humidity 65%
Wind Speed S 5 mph
Barometer 29.97 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Feb 10:35 pm CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °F

    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 52. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Sunny, with a high near 67. Breezy.

    High: 67 °F

    Breezy.
    Slight Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after noon. Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Washington's Birthday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 58. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 52. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers before noon. Sunny, with a high near 67. Breezy.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A chance of rain after noon. Partly sunny, with a high near 60.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 38.
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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:
10:51 pm CST Feb 15, 2026
Forecast Valid:
11pm CST Feb 15, 2026-6pm CST Feb 22, 2026
 
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Additional Resources

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Chance of Precipitation