Illinois · April 13, 2026

Illinois hail map — April 13, 2026

NOAA radar detected hail of an inch or more over 1 Illinois city on April 13, 2026. The largest stones — 1.00″, quarter size — fell over Kankakee.

Hail swath map for Kankakee, IL on April 13, 2026 showing 1.00 inch hail.
Swath over Kankakee on April 13, 2026 — 1.00″ hail. Each city below has its own map for this storm.
Cities hit
1
in Illinois
Largest stone
1.00″
quarter size
Impact rating
3/10
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 April 13, 2026

Kankakee, IL1.00″ · quarter

What people on the ground measured in Illinois on April 13, 2026

2 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 Trained Spotter
    Marseilles, IL1:55 PM CDTLa Salle County

    Spotter reports lots of pea sized hail but a few stones up to quarter size.

  • 0.88″ penny size Public
    Kankakee, IL2:23 PM CDTKankakee County

    Video shared of lots of nickel to penny sized hail. Time estimated from radar.

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 April 13, 2026

Minnesota5 cities · 2.00″Wisconsin1 city · 1.00″Kansas1 city · 1.00″
The full US hail map for April 13, 2026 →

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 April 13, 2026

NOAA radar put hail of an inch or more over 1 Illinois city that day. The largest stones — 1.00 inches, quarter size — were over Kankakee. Every city hit is listed above with its own stone size.

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