Illinois · August 5, 2024

Illinois hail map — August 5, 2024

NOAA radar detected hail of an inch or more over 40 Illinois cities on August 5, 2024. The largest stones — 1.00″, quarter size — fell over Chicago.

Hail swath map for Chicago, IL on August 5, 2024 showing 1.00 inch hail.
Swath over Chicago on August 5, 2024 — 1.00″ hail. Each city below has its own map for this storm.
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Cities hit
40
in Illinois
Largest stone
1.00″
quarter size
Impact rating
3/10
from stone size

Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

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What people on the ground measured in Illinois on August 5, 2024

5 reports filed with the National Weather Service. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 2.00″ hen egg size Public
    5 S Polo, IL5:45 PM CDTOgle County

    mPing report of 2 inch hail in Woosung.

  • 1.75″ golf ball size Public
    1 W Penrose, IL5:25 PM CDTWhiteside County

    Corrects time of hail report from 1 W Penrose. Time estimated from radar.

  • 1.75″ golf ball size Public
    1 W Penrose, IL5:34 PM CDTWhiteside County

    Report from mPING.

  • 1.00″ quarter size Public
    Highland Park, IL6:25 AM CDTLake County
  • 1.00″ quarter size Public
    Edgewater - Chicago, IL7:07 AM CDTCook County

    Report from mPING: Quarter (1.00 in.).

Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.

FAQ

Illinois hail on August 5, 2024

NOAA radar put hail of an inch or more over 40 Illinois cities that day. The largest stones — 1.00 inches, quarter size — were over Chicago. Every city hit is listed above with its own stone size.

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