January 19, 2021: Intense Evening Snow Squall Impacts Parts of Chicago Metro

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Radar Loop from 8:08 PM to 10:21 PM CST 1/19

KLOT Radar Loop and Snowfall Reports

Fast Facts
Snow/Ice Totals
Storm Reports
Additional

Fast Facts

An intense snow squall associated with an Alberta clipper rushed through northeast Illinois during the evening hours.

Snowfall amounts ranged from 1-4" in a narrow band from Boone County to Cook County to parts of northwest Indiana.

Official snowfall total for Chicago, at O'Hare International Airport, was 1.5" with the snow squall and 1.7" total for January 19th.

Highest amount reported from a volunteer observer was 3.4" in Bull Valley (east central McHenry County).

Snow/Ice Totals

Snowfall Map as of the Morning of Wednesday January 20th

Text Listing of Snowfall Reports from Volunteer Observers

Storm Reports

Map of Snowfall Local Storm Reports

    
                        

110

NWUS53 KLOT 172153

LSRLOT



Preliminary Local Storm Report

National Weather Service Chicago IL

453 PM CDT Sun Aug 17 2025



..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...

..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....

            ..REMARKS..



0435 AM     Flash Flood      1 N Oswego              41.69N 88.36W

08/17/2025                   Kendall            IL   Broadcast Media



            Standing water 3 to 4 feet deep was reported

            in Fox Chase Subdivision. Time Estimated.



0255 AM     Flash Flood      1 N Archer Hts. - Chica 41.82N 87.72W

08/17/2025                   Cook               IL   Broadcast Media



            Interstate 55 closed in both directions at

            Pulaski Road due to flooding. Time

            Estimated.



0255 AM     Flash Flood      1 ESE Archer Hts. - Chi 41.81N 87.71W

08/17/2025                   Cook               IL   Broadcast Media



            At least 4 cars stranded in flood waters

            near West 47th Street and South Archer

            Avenue. Time estimated.



0305 AM     Flash Flood      1 SE Chicago Lawn       41.76N 87.68W

08/17/2025                   Cook               IL   Broadcast Media



            Flooded viaduct near West 75th Street and

            South Western Avenue. Time Estimated.



0310 AM     Flash Flood      1 NNW Pullman - Chicago 41.72N 87.60W

08/17/2025                   Cook               IL   Broadcast Media



            At least two cars stuck in flood waters

            under a viaduct on East 95th Street near

            South Cottage Grove Avenue. Time Estimated.





&&



$$

Additional

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