South Dakota hail map — May 31, 2026
NOAA radar detected hail of an inch or more over 2 South Dakota cities on May 31, 2026. The largest stones — 1.00″, quarter size — fell over Sioux Falls.
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- The May 31, 2026 swath — and every other storm since 2023 across South Dakota
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- Cities hit
- 2
- 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 May 31, 2026
What people on the ground measured in South Dakota on May 31, 2026
12 reports filed with the National Weather Service — 6 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 Public2 N Canistota, SD6:51 PM CDTMcCook County
Most hail was pea to quarter sized, but a few were as big as golf balls. Farm fields further north are more damaged than his.
- 1.50″ half dollar size Trained Spotter4 NE Canistota, SD6:58 PM CDTMcCook County
Ping pong ball sized hail damaged young crops in fields.
- 1.25″ half dollar size Trained Spotter2 W Vilas, SD5:07 PM CDTMiner County
- 1.00″ quarter size Public6 SE Roscoe, SD4:25 PM CDTEdmunds County
Mostly nickel to quarter size.
- 1.00″ quarter size Public6 ESE Roscoe, SD4:28 PM CDTEdmunds County
Mostly dime size hail with the largest stones quarter size. Time estimated by radar.
- 1.00″ quarter size Trained Spotter1 WSW Emery, SD5:30 PM CDTHanson County
Very heavy rain along with penny to quarter sized hail. Rainfall is already over 3 inches.
- 1.00″ quarter size Trained Spotter5 N Bridgewater, SD6:16 PM CDTMcCook County
Hail was jagged, with some as long as a quarter, but most of it was pea to nickel sized. Heavy rainfall so far has been 1.75 inch.
- 1.00″ quarter size Trained SpotterLeola, SD6:20 PM CDTMcPherson County
- 1.00″ quarter size Public3 SSW Leola, SD6:20 PM CDTMcPherson County
- 1.00″ quarter size Public5 NW Wall Lake, SD7:20 PM CDTMinnehaha County
Photo and report via social media.
- 1.00″ quarter size Trained Spotter2 WSW Humboldt, SD7:26 PM CDTMinnehaha County
In addition to hail up to the size of quarters, heavy rainfall was reported.
- 1.00″ quarter size Fire Dept/Rescue4 SW Hurley, SD7:33 PM CDTTurner County
Showing the 12 largest of 25 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 May 31, 2026
NOAA radar put hail of an inch or more over 2 South Dakota cities that day. The largest stones — 1.00 inches, quarter size — were over Sioux Falls. Every city hit is listed above with its own stone size.