South Dakota hail map — July 23, 2025
NOAA radar detected hail of an inch or more over 2 South Dakota cities on July 23, 2025. The largest stones — 1.50″, half dollar size — fell over Rapid City.
- Cities hit
- 2
- in South Dakota
- 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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South Dakota cities hit on July 23, 2025
What people on the ground measured in South Dakota on July 23, 2025
5 reports filed with the National Weather Service — 2 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.
- 1.25″ half dollar size Public7 NNW Harrison, SD6:55 AM CDTAurora County
Report via social media. Hail the size of a pheasant egg (about 1.3 inches) in Aurora Center.
- 0.75″ penny size Public4 W Rowena, SD6:20 PM CDTMinnehaha County
Report from mPING: Dime (0.75 in.).
- 0.75″ penny size NWS Employee4 WNW Rowena, SD6:23 PM CDTMinnehaha County
- 0.75″ penny size Trained Spotter1 WSW Harrisburg, SD6:42 PM CDTLincoln County
- 0.75″ penny size Public1 NW Harrisburg, SD6:47 PM CDTLincoln 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 South Dakota hail days
South Dakota hail on July 23, 2025
NOAA radar put hail of an inch or more over 2 South Dakota cities that day. The largest stones — 1.50 inches, half dollar size — were over Rapid City. Every city hit is listed above with its own stone size.