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.

Partly Cloudy

77°F

25°C

Humidity 94%
Wind Speed SE 8 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Jun 2:15 am CDT
Extended Forecast for

2 Miles NW Chicago/Romeoville, Lewis University Airport IL

Heat Advisory June 29, 12:00pm until July 1, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 75. South southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 94. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. South southeast wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 94. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 94.
Thursday Night
A chance of showers after 1am. Partly cloudy, with a low around 75.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Chicago/Romeoville, Lewis University Airport IL
 41.63°N 88.13°W
Last Update:
2:05 am CDT Jun 29, 2026
Forecast Valid:
2am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation