South Dakota hail map — May 17, 2026
NOAA radar detected hail of an inch or more over 1 South Dakota city on May 17, 2026. The largest stones — 1.50″, half dollar size — fell over Sioux Falls.
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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 May 17, 2026
What people on the ground measured in South Dakota on May 17, 2026
12 reports filed with the National Weather Service — 4 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 Public6 ESE Menno, SD3:36 PM CDTHutchinson County
Photo of roughly golf ball size hail. Time estimated via radar.
- 1.50″ half dollar size Trained Spotter4 SSE Sioux Falls, SD4:47 PM CDTLincoln County
- 1.25″ half dollar size Trained SpotterBurke, SD1:40 PM CDTGregory County
In addtion to half dollar sized hail, heavy rain is falling.
- 1.00″ quarter size Trained Spotter1 SE Marty, SD2:37 PM CDTCharles Mix County
Winds estimated 40-50 mph.
- 1.00″ quarter size Public3 E Menno, SD3:36 PM CDTHutchinson County
Corrects time of previous hail report from 3 E Menno. Via mping. Time estimated via radar.
- 1.00″ quarter size Public7 N Mayfield, SD3:44 PM CDTTurner County
Via mping. Time estimated via radar.
- 1.00″ quarter size Public3 E Menno, SD3:44 PM CDTHutchinson County
Via mping. Time estimated via radar.
- 1.00″ quarter size Public2 W Lennox, SD4:17 PM CDTTurner County
Quarter size hail along with estimated 40-50 mph winds reported.
- 1.00″ quarter size Public5 W Sioux Falls, SD4:32 PM CDTMinnehaha County
Report from mPING.
- 1.00″ quarter size Emergency Mngr4 NW Harrisburg, SD4:36 PM CDTLincoln County
Report from 85th and Western of quarter size hail.
- 1.00″ quarter size PublicTea, SD4:38 PM CDTLincoln County
- 1.00″ quarter size PublicValley Springs, SD5:02 PM CDTMinnehaha County
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 17, 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 Sioux Falls. Every city hit is listed above with its own stone size.