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.

Mostly Cloudy

48°F

9°C

Humidity 94%
Wind Speed N 7 mph
Barometer 29.85 in
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 11 Nov 6:45 pm CST
Extended Forecast for

Darien IL

  • Tonight

    Tonight: A slight chance of rain between 11pm and 1am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 38. North northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly between noon and 3pm. Partly sunny, with a high near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Breezy.
    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a slight chance of snow after 3am. Mostly cloudy, with a low around 32. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 43. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. North northwest wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 11pm and 1am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 38. North northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Rain likely, mainly between noon and 3pm. Partly sunny, with a high near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain and snow before 9pm, then a slight chance of snow after 3am. Mostly cloudy, with a low around 32. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 43. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 29. North northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Darien IL
 41.74°N 87.98°W
Last Update:
6:40 pm CST Nov 11, 2026
Forecast Valid:
7pm CST Nov 11, 2026-6pm CST Nov 18, 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