Illinois · August 15, 2024

Illinois hail map — August 15, 2024

NOAA radar detected hail of an inch or more over 1 Illinois city on August 15, 2024. The largest stones — 1.50″, half dollar size — fell over Galesburg.

Hail swath map for Galesburg, IL on August 15, 2024 showing 1.50 inch hail.
Swath over Galesburg on August 15, 2024 — 1.50″ hail. Each city below has its own map for this storm.
Cities hit
1
in Illinois
Largest stone
1.50″
half dollar size
Impact rating
5/10
from stone size

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

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Illinois cities hit on August 15, 2024

Galesburg, IL1.50″ · half dollar

What people on the ground measured in Illinois on August 15, 2024

3 reports filed with the National Weather Service — 1 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 1.00″ quarter size Storm Chaser
    2 N Roseville, IL10:38 PM CDTWarren County
  • 0.75″ penny size Trained Spotter
    3 W Nashville, IL6:07 PM CDTWashington County

    Penny sized hail reported by a trained spotter at County Hwy 23 and IL Rte 15.

  • 0.75″ penny size Public
    1 E Knoxville, IL10:58 PM CDTKnox County

    Report from mPING: Dime (0.75 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.

Other states hit on August 15, 2024

Oklahoma6 cities · 2.00″New Hampshire3 cities · 1.50″California1 city · 1.50″New York2 cities · 1.50″Missouri1 city · 1.00″Louisiana1 city · 1.00″Massachusetts6 cities · 1.00″Iowa1 city · 1.00″
The full US hail map for August 15, 2024 →

Other Illinois hail days

August 13, 20263 cities · 1.00″August 11, 20263 cities · 1.00″August 9, 202640 cities · 1.50″July 27, 2026127 cities · 2.00″July 10, 20262 cities · 1.00″July 4, 20261 city · 1.50″July 3, 202618 cities · 1.00″July 2, 202614 cities · 1.00″June 24, 202614 cities · 1.50″June 17, 20264 cities · 2.00″June 11, 20261 city · 1.00″June 10, 202614 cities · 1.00″
Every hail day across Illinois →
FAQ

Illinois hail on August 15, 2024

NOAA radar put hail of an inch or more over 1 Illinois city that day. The largest stones — 1.50 inches, half dollar size — were over Galesburg. Every city hit is listed above with its own stone size.

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