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

Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed NE 3 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 13 Aug 9:45 am CDT
Extended Forecast for

3 Miles E Homer Glen IL

  • Today

    Today: A chance of sprinkles between 1pm and 4pm. Mostly sunny, with a high near 84. North northeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 84 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: Mostly clear, with a low around 64. East northeast wind 5 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

Detailed Forecast

Today
A chance of sprinkles between 1pm and 4pm. Mostly sunny, with a high near 84. North northeast wind 5 to 10 mph becoming northwest in the afternoon.
Tonight
Mostly clear, with a low around 64. East northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Friday
Sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Partly sunny, with a high near 91.
Sunday Night
Mostly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Homer Glen IL
 41.61°N 87.96°W
Last Update:
5:41 am CDT Aug 13, 2025
Forecast Valid:
10am CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation