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

63°F

17°C

Humidity 52%
Wind Speed W 5 mph
Barometer 30.11 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 8 Oct 9:50 am CDT
Extended Forecast for

2 Miles SW Downers Grove IL

  • Today

    Today: Sunny, with a high near 71. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West wind around 5 mph becoming calm.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. South wind around 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 71. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 52. West wind around 5 mph becoming calm.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 61. South wind around 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 80. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 78.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Downers Grove IL
 41.78°N 88.03°W
Last Update:
6:21 am CDT Oct 8, 2026
Forecast Valid:
10am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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