South Dakota · April 15, 2024

South Dakota hail map — April 15, 2024

NOAA radar detected hail of an inch or more over 1 South Dakota city on April 15, 2024. The largest stones — 1.00″, quarter size — fell over Rapid City.

Hail swath map for Rapid City, SD on April 15, 2024 showing 1.00 inch hail.
Swath over Rapid City on April 15, 2024 — 1.00″ hail. Each city below has its own map for this storm.
Cities hit
1
in South Dakota
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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South Dakota cities hit on April 15, 2024

Rapid City, SD1.00″ · quarter

What people on the ground measured in South Dakota on April 15, 2024

12 reports filed with the National Weather Service — 5 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.

  • 2.50″ hen egg size Public
    18 S Okreek, SD8:40 PM CDTTodd County
  • 1.75″ golf ball size Emergency Mngr
    3 E Long Valley, SD6:12 PM CDTJackson County
  • 1.75″ golf ball size Emergency Mngr
    3 E Long Valley, SD6:52 PM CDTJackson County
  • 1.75″ golf ball size Public
    4 NW Rosebud, SD9:10 PM CDTTodd County
  • 1.50″ half dollar size Public
    2 SW Parmelee, SD8:00 PM CDTTodd County
  • 1.25″ half dollar size Trained Spotter
    Quinn, SD7:17 PM CDTPennington County
  • 1.00″ quarter size Trained Spotter
    8 N Long Valley, SD7:00 PM CDTJackson County
  • 1.00″ quarter size Fire Dept/Rescue
    4 NNE Dwtn Rapid City, SD7:08 PM CDTPennington County
  • 1.00″ quarter size Public
    3 N Dwtn Rapid City, SD7:10 PM CDTPennington County
  • 1.00″ quarter size Public
    1 E Summerset, SD7:30 PM CDTMeade County
  • 1.00″ quarter size NWS Employee
    4 NE Rockerville, SD7:32 PM CDTPennington County
  • 0.88″ penny size Public
    4 ENE Piedmont, SD6:57 PM CDTMeade County

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 15, 2024

New York3 cities · 1.00″Maryland2 cities · 1.00″Virginia10 cities · 1.00″
The full US hail map for April 15, 2024 →

Other South Dakota hail days

August 18, 20261 city · 1.50″August 16, 20261 city · 1.00″August 11, 20261 city · 1.00″August 7, 20261 city · 1.00″July 24, 20261 city · 1.00″July 6, 20261 city · 1.00″July 4, 20261 city · 1.00″July 1, 20261 city · 1.00″June 22, 20261 city · 1.50″May 24, 20261 city · 1.00″May 17, 20261 city · 1.50″February 28, 20261 city · 1.00″
Every hail day across South Dakota →
FAQ

South Dakota hail on April 15, 2024

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

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