Iowa · April 27, 2024

Iowa hail map — April 27, 2024

NOAA radar detected hail of an inch or more over 1 Iowa city on April 27, 2024. The largest stones — 1.00″, quarter size — fell over Dubuque.

Hail swath map for Dubuque, IA on April 27, 2024 showing 1.00 inch hail.
Swath over Dubuque on April 27, 2024 — 1.00″ hail. Each city below has its own map for this storm.
Cities hit
1
in Iowa
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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Iowa cities hit on April 27, 2024

Dubuque, IA1.00″ · quarter

What people on the ground measured in Iowa on April 27, 2024

8 reports filed with the National Weather Service — 4 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.

  • 1.50″ half dollar size Public
    Sully, IA4:00 PM CDTJasper County

    Delayed Report. Exact location not provided, only town was given.

  • 1.00″ quarter size Trained Spotter
    Sully, IA3:57 PM CDTJasper County

    Quarter sized hail near Sully.

  • 1.00″ quarter size Public
    1 NNE Julien, IA4:53 PM CDTDubuque County

    Report relayed by media. Time estimated using radar.

  • 1.00″ quarter size Trained Spotter
    Victor, IA5:22 PM CDTIowa County

    Dime, Nickel, and Quarter ground covered.

  • 1.00″ quarter size Public
    3 S Centerville, IA6:15 PM CDTAppanoose County

    Via mPing report.

  • 1.00″ quarter size Trained Spotter
    Douds/Leando, IA7:40 PM CDTVan Buren County

    Also had some small tree branches down. Time estimated from radar.

  • 0.75″ penny size Trained Spotter
    Hubbard, IA5:30 PM CDTHardin County
  • 0.75″ penny size Public
    Ames, IA5:37 PM CDTStory County

    Mixed with marble and pea size hail.

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 27, 2024

New York2 cities · 1.50″Oklahoma3 cities · 1.50″Texas2 cities · 1.00″Wisconsin1 city · 1.00″
The full US hail map for April 27, 2024 →

Other Iowa hail days

August 12, 20262 cities · 1.00″August 7, 20262 cities · 1.00″July 27, 20263 cities · 1.00″July 21, 20261 city · 1.00″July 20, 20267 cities · 1.50″July 4, 20261 city · 1.00″July 3, 20263 cities · 1.00″July 2, 20267 cities · 1.00″July 1, 20261 city · 1.50″June 30, 20261 city · 1.00″June 28, 20262 cities · 1.00″June 17, 20261 city · 1.00″
Every hail day across Iowa →
FAQ

Iowa hail on April 27, 2024

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

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