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

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

25°F

-4°C

Humidity 54%
Wind Speed NW 7 G 21 mph
Barometer 30.49 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 23 Feb 9:50 am CST
Extended Forecast for

Darien IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 28. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 42 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 35. West wind 5 to 15 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 28. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 18. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 35. West wind 5 to 15 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 31.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of snow. Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Darien IL
 41.74°N 87.98°W
Last Update:
10:11 am CST Feb 23, 2026
Forecast Valid:
10am CST Feb 23, 2026-6pm CST Mar 1, 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