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.

Fair

25°C

77°F

Humidity 89%
Wind Speed SW 9 km/h
Barometer 29.96 in
Dewpoint 23°C (73°F)
Visibility 14 km
Heat Index26°C (78°F)
Last update 12 Jul 9:35 pm CDT
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Tonight

    Tonight: Mostly clear, with a low around 18. West northwest wind around 10 km/h.

    Low: 18 °C

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 29. West wind 5 to 15 km/h.

    High: 29 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. West northwest wind 5 to 15 km/h becoming south southwest after midnight.

    Low: 18 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32. Southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.

    High: 32 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. South wind 5 to 10 km/h.

    Low: 21 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32.

    High: 32 °C

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31.

    High: 31 °C

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21.

    Low: 21 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 18. West northwest wind around 10 km/h.
Sunday
Mostly sunny, with a high near 29. West wind 5 to 15 km/h.
Sunday Night
Mostly clear, with a low around 18. West northwest wind 5 to 15 km/h becoming south southwest after midnight.
Monday
Sunny, with a high near 32. Southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.
Monday Night
Mostly clear, with a low around 21. South wind 5 to 10 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 29.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.08°W
Last Update:
7:41 pm CDT Jul 12, 2025
Forecast Valid:
10pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation