South Dakota hail map — June 12, 2024
NOAA radar detected hail of an inch or more over 1 South Dakota city on June 12, 2024. The largest stones — 2.00″, hen egg size — fell over Watertown.
- Cities hit
- 1
- in South Dakota
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- 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 June 12, 2024
What people on the ground measured in South Dakota on June 12, 2024
9 reports filed with the National Weather Service — 3 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.
- 1.75″ golf ball size CO-OP ObserverWatertown, SD6:35 AM CDTCodington County
- 1.00″ quarter size Trained Spotter5 S Roslyn, SD5:52 AM CDTDay County
- 1.00″ quarter size Public1 E Watertown, SD6:38 AM CDTCodington County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 NW Watertown, SD6:55 AM CDTCodington County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Trained Spotter4 S Revillo, SD7:25 AM CDTDeuel County
- 1.00″ quarter size Public1 NW Gary, SD7:33 AM CDTDeuel County
- 1.00″ quarter size Trained Spotter4 NE Canistota, SD12:58 PM CDTMcCook County
Corrects previous hail report from 4 NE Canistota. Spotter reported 1 inch hail.
- 0.75″ penny size Public3 E Watertown, SD6:41 AM CDTCodington County
Report from mPING: Dime (0.75 in.).
- 0.75″ penny size Public4 S Mellette, SD7:10 AM CDTSpink County
Time of observation based on 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 June 12, 2024
The full US hail map for June 12, 2024 →Other South Dakota hail days
South Dakota hail on June 12, 2024
NOAA radar put hail of an inch or more over 1 South Dakota city that day. The largest stones — 2.00 inches, hen egg size — were over Watertown. Every city hit is listed above with its own stone size.