South Dakota hail map — August 12, 2023
NOAA radar detected hail of an inch or more over 1 South Dakota city on August 12, 2023. The largest stones — 2.00″, hen egg size — fell over Rapid City.
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- Cities hit
- 1
- in South Dakota
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- 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 August 12, 2023
What people on the ground measured in South Dakota on August 12, 2023
12 reports filed with the National Weather Service — 2 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.
- 2.00″ hen egg size PublicSheridan Lake, SD4:00 PM CDTPennington County
- 2.00″ hen egg size PublicHermosa, SD5:05 PM CDTCuster County
- 2.00″ hen egg size Storm Chaser8 WNW Rockyford, SD8:10 PM CDTOglala Lakota County
- 2.00″ hen egg size Storm Chaser4 WNW Rockyford, SD8:18 PM CDTOglala Lakota County
- 1.75″ golf ball size Fire Dept/RescueN Rockerville, SD4:10 PM CDTPennington County
- 1.75″ golf ball size Public1 W Hermosa, SD5:05 PM CDTCuster County
- 1.75″ golf ball size PublicSharps Corner, SD11:30 PM CDTOglala Lakota County
- 1.50″ half dollar size Public2 NNE Silver City, SD3:20 PM CDTPennington County
- 1.50″ half dollar size Trained Spotter8 SSW Folsom, SD5:50 PM CDTCuster County
- 1.50″ half dollar size Public2 NE Custer, SD6:45 PM CDTCuster County
- 1.50″ half dollar size Public3 E Custer, SD6:55 PM CDTCuster County
mPING report
- 1.25″ half dollar size Trained Spotter6 SSE Brownsville, SD2:55 PM CDTLawrence County
Showing the 12 largest of 24 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.
Other states hit on August 12, 2023
Other South Dakota hail days
Shopping for a hail app to work South Dakota?
This page is one storm. If you are deciding which tool to work South Dakota with all season, these compare the ones roofers actually buy — with every price taken from the vendor's own site and linked.
- Best hail tracking apps, comparedHailMate, HailTrace, Hail Recon, HailStrike and RadarScope — every published price sourced and linked, and who each one is genuinely right for.
- HailMate vs HailTraceStreet-level NOAA swaths on a map your crew can knock, with the CRM already inside — instead of quote-only meteorologist maps billed on top of one.
- Hail map apps for roofers (and the Hail Recon alternative)Every storm on one map instead of loading dates one at a time — plus the canvassing and the whole claim, monthly, for what one state costs them a year.
- Best canvassing apps, comparedHailMate, SalesRabbit, SPOTIO, Knockio, RoofLink and Badger Maps — every published price sourced and linked, and two of them publish none.
South Dakota hail on August 12, 2023
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 Rapid City. Every city hit is listed above with its own stone size.