South Dakota · June 28, 2025

South Dakota hail map — June 28, 2025

NOAA radar detected hail of an inch or more over 1 South Dakota city on June 28, 2025. The largest stones — 1.00″, quarter size — fell over Watertown.

Hail swath map for Watertown, SD on June 28, 2025 showing 1.00 inch hail.
Swath over Watertown on June 28, 20251.00″ hail. Each city below has its own map for this storm.
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Cities hit
1
in South Dakota
Largest stone
1.00
quarter size
Impact rating
3/10
from stone size

Sizes come from NOAA radar, 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 June 28, 2025

What people on the ground measured in South Dakota on June 28, 2025

12 reports filed with the National Weather Service8 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 4.50 softball size Law Enforcement
    18 W Kadoka, SD7:25 PM CDTJackson County

    Took out Jackson Co. Deputy Sheriff's windshield on I-90

  • 2.50 hen egg size Public
    Vale, SD5:00 PM CDTButte County
  • 2.50 hen egg size Trained Spotter
    1 N Hereford, SD5:42 PM CDTMeade County
  • 2.00 hen egg size Public
    3 S Gary, SD8:58 PM CDTDeuel County

    Report from mPING: Hen Egg (2.00 in.).

  • 1.75 golf ball size Public
    2 W Nisland, SD4:42 PM CDTButte County
  • 1.75 golf ball size Trained Spotter
    6 NNW Hereford, SD5:35 PM CDTMeade County
  • 1.50 half dollar size Trained Spotter
    10 N Belle Fourche, SD4:15 PM CDTButte County

    Winds also to 60 mph.

  • 1.50 half dollar size NWS Employee
    7 NNE Ellsworth AFB, SD5:55 PM CDTMeade County
  • 1.50 half dollar size NWS Employee
    4 N Dwtn Rapid City, SD5:55 PM CDTPennington County
  • 1.25 half dollar size Trained Spotter
    4 NNE Fruitdale, SD4:35 PM CDTButte County

    Winds to at least 60 mph. Windows broken in the house and camper.

  • 1.25 half dollar size NWS Employee
    7 NNE Ellsworth AFB, SD6:20 PM CDTMeade County
  • 1.00 quarter size Trained Spotter
    14 N Belle Fourche, SD4:15 PM CDTButte County

Showing the 12 largest of 20 hail reports filed that day.

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.

FAQ

South Dakota hail on June 28, 2025

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 Watertown. Every city hit is listed above with its own stone size.

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