South Dakota hail map — September 1, 2026
NOAA radar detected hail of an inch or more over 2 South Dakota cities on September 1, 2026. The largest stones — 2.00″, hen egg size — fell over Vermillion.
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- Cities hit
- 2
- 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 September 1, 2026
What people on the ground measured in South Dakota on September 1, 2026
12 reports filed with the National Weather Service — 5 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.
- 2.75″ baseball size Trained SpotterPickstown, SD5:18 PM CDTCharles Mix County
- 2.50″ hen egg size Storm Chaser8 WSW Pickstown, SD4:53 PM CDTGregory County
- 2.00″ hen egg size Public8 WSW Springfield, SD7:42 PM CDTBon Homme County
Window broken out. Hail lessening at 745 pm.
- 1.75″ golf ball size Trained Spotter1 WSW Marty, SD6:18 PM CDTCharles Mix County
In addition to golf ball sized hail, winds were gusting at 40-50 mph, and rainfall was heavy.
- 1.25″ half dollar size Public4 E Ravinia, SD5:44 PM CDTCharles Mix County
Ground covered with hail ranging from nickel to half dollar sized.
- 1.00″ quarter size Trained SpotterFairfax, SD4:40 PM CDTGregory County
Heavy rainfall accompanied mostly dime sized hail, but a few stones were as big as a quarter.
- 1.00″ quarter size CO-OP Observer4 SSW Pickstown, SD5:05 PM CDTGregory County
Various sizes of hail accompanied heavy rainall totaling 1.55 inches. A few of the largest stones were as big as quarters.
- 1.00″ quarter size Trained SpotterPickstown, SD5:07 PM CDTCharles Mix County
- 1.00″ quarter size Public2 NNE Marty, SD6:25 PM CDTCharles Mix County
- 1.00″ quarter size Public7 SW Springfield, SD7:47 PM CDTBon Homme County
Wind driven hail broke two windows out of business.
- 1.00″ quarter size CO-OP ObserverTyndall, SD10:30 PM CDTBon Homme County
Mostly nickel sized hail accompanied the second of two evening storms at about 1030 pm. A few stones were as large as quarters. Rainfall total from both storms was 0.85 inch.
- 0.88″ penny size Trained Spotter1 SSW Fairfax, SD4:39 PM CDTGregory County
Showing the 12 largest of 13 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 September 1, 2026
NOAA radar put hail of an inch or more over 2 South Dakota cities that day. The largest stones — 2.00 inches, hen egg size — were over Vermillion. Every city hit is listed above with its own stone size.