South Dakota hail map — August 7, 2026
NOAA radar detected hail of an inch or more over 1 South Dakota city on August 7, 2026. The largest stones — 1.00″, quarter size — fell over Brookings.
- 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 August 7, 2026
What people on the ground measured in South Dakota on August 7, 2026
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.
- 2.00″ hen egg size Public6 NE Wallace, SD5:05 AM CDTCodington County
Vehicle dent damage.
- 1.25″ half dollar size Public1 ENE Brookings, SD5:48 AM CDTBrookings County
Received a report of dimes sized hail with a few half dollar as well just northeast of Brookings.
- 1.00″ quarter size Trained Spotter5 SW Canova, SD5:15 AM CDTMcCook County
Quarter sized hail damaged crops in the area. Time estimated by radar.
- 1.00″ quarter size Trained SpotterBrookings, SD5:48 AM CDTBrookings County
A trained spotter reported dime to quarter sized hail in Brookings.
- 1.00″ quarter size PublicBrookings, SD5:49 AM CDTBrookings County
Received an mPING report of Quarter (1.00 in.) sized hail in Brookings.
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 August 7, 2026
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 Brookings. Every city hit is listed above with its own stone size.