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

    
                        

362

NWUS53 KLOT 050256

LSRLOT



Preliminary Local Storm Report

National Weather Service Chicago IL

956 PM CDT Mon May 4 2026



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

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

            ..REMARKS..



0542 PM     Hail             1 E Tinley Park         41.57N 87.78W

05/04/2026  M0.75 Inch       Cook               IL   Public



            Report from mPING: Dime (0.75 in.).



0732 PM     Tstm Wnd Gst     3 WNW Mazon             41.26N 88.48W

05/04/2026  M56 MPH          Grundy             IL   Public



            Measured on a Davis personal weather

            station.





&&



$$

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