National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy

72°F

22°C

Humidity 83%
Wind Speed SE 5 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Aug 7:45 pm CDT
Extended Forecast for

3 Miles E Homer Glen IL

  • Tonight

    Tonight: Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. South wind around 5 mph.
Saturday
Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Partly sunny, with a high near 88.
Monday Night
Mostly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A chance of showers. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Homer Glen IL
 41.61°N 87.96°W
Last Update:
2:51 pm CDT Aug 27, 2026
Forecast Valid:
8pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation