South Dakota hail map — August 23, 2026
NOAA radar detected hail of an inch or more over 1 South Dakota city on August 23, 2026. The largest stones — 1.50″, half dollar size — fell over Rapid City.
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- Cities hit
- 1
- in South Dakota
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- 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 23, 2026
What people on the ground measured in South Dakota on August 23, 2026
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.
- 1.75″ golf ball size PublicPactola Resv, SD3:19 PM CDTPennington County
Via social media. Time estimated based on radar.
- 1.75″ golf ball size Public7 ESE Fairburn, SD5:21 PM CDTCuster County
mPING report.
- 1.75″ golf ball size Trained Spotter10 SSW Reva, SD9:45 PM CDTHarding County
- 1.50″ half dollar size Broadcast Media7 ESE Fairburn, SD5:21 PM CDTCuster County
Falling now along E French Creek Rd.
- 1.50″ half dollar size Trained Spotter8 SSE Ralph, SD8:05 PM CDTHarding County
- 1.50″ half dollar size PublicPrairie City, SD8:27 PM CDTPerkins County
Wind driven hail of at least ping pong ball size via video. Time estimated based on radar.
- 1.00″ quarter size Broadcast MediaJohnson Siding, SD3:26 PM CDTPennington County
- 1.00″ quarter size PublicHermosa, SD4:18 PM CDTCuster County
Via social media. Time estimated based on radar.
- 1.00″ quarter size Broadcast Media7 ESE Fairburn, SD5:17 PM CDTCuster County
Along E French Creek Rd.
- 1.00″ quarter size Public9 NE Ralph, SD7:29 PM CDTHarding County
- 1.00″ quarter size Public4 N Ralph, SD7:33 PM CDTHarding County
Hail covers the ground
- 1.00″ quarter size Public5 S Prairie City, SD8:45 PM CDTPerkins County
Most hail was smaller
Showing the 12 largest of 19 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 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 23, 2026
NOAA radar put hail of an inch or more over 1 South Dakota city 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.