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.

Overcast

41°F

5°C

Humidity 87%
Wind Speed SW 9 mph
Barometer 29.62 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Jan 9:15 pm CST
Extended Forecast for

Darien IL

  • Tonight

    Tonight: A slight chance of rain and snow between 3am and 4am, then a chance of snow. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 26 °F

    Cloudy then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow before 9am. Mostly cloudy, with a temperature falling to around 22 by 5pm. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 30 mph.

    High: 28 °F⇓

    Blustery.
    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 26. Northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 26 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow. Low around 22. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 22 °F

    Snow Likely
    then Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.

    High: 36 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 19.

    High: 19 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow between 3am and 4am, then a chance of snow. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of snow before 9am. Mostly cloudy, with a temperature falling to around 22 by 5pm. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 15. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 26. Northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Snow. Low around 22. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Friday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
A chance of snow. Mostly cloudy, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 8.
M.L.King Day
Partly sunny, with a high near 17.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 15.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Darien IL
 41.74°N 87.98°W
Last Update:
9:31 pm CST Jan 13, 2026
Forecast Valid:
9pm CST Jan 13, 2026-6pm CST Jan 20, 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