VERTICAL·OS░ROOFING MODULE░STORM BRIEF · SOUTH DAKOTA
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STORM BRIEF · NOAA PRELIMINARY REPORTS · UPDATED 2026-10-21

South Dakota hail reports, last 90 days.

185 preliminary hail reports on 26 days, 58 of them at two inches or larger. NOAA logs hail from one inch, the size that starts shingle claims. Last report Oct 8. Below: where it hit, then what a roofer may and may not do in South Dakota before the first door.

185reports · 90 days
58at 2.00" or larger
4.50"largest hail
26days with hail
[ 01 ]WHERE IT HITLATEST 40 OF 185
DateTimeHailPlaceCounty
Oct 805:32 UTC1.50"AlcesterUnion
Oct 804:18 UTC1.50"6 SW BeresfordClay
Oct 803:44 UTC1.00"8 S AlcesterUnion
Sep 2821:46 UTC1.00"10 N Belle FourcheButte
Sep 1100:05 UTC1.25"1 SE TorontoDeuel
Sep 1100:03 UTC1.50"6 NNE WhiteBrookings
Sep 1100:00 UTC1.25"TorontoDeuel
Sep 723:53 UTC1.25"2 N Lake AndesCharles Mix
Sep 704:00 UTC1.00"TaborBon Homme
Sep 521:25 UTC1.50"4 N Klein RanchCorson
Sep 408:06 UTC1.50"EthanDavison
Sep 408:00 UTC1.50"EthanDavison
Sep 405:35 UTC1.00"8 W Wessington SpringsJerauld
Sep 123:25 UTC1.00"2 NNE MartyCharles Mix
Sep 123:18 UTC1.75"1 WSW MartyCharles Mix
Sep 122:44 UTC1.25"4 E RaviniaCharles Mix
Sep 122:18 UTC2.75"PickstownCharles Mix
Sep 122:07 UTC1.00"PickstownCharles Mix
Sep 122:05 UTC1.00"4 SSW PickstownGregory
Sep 121:53 UTC2.50"8 WSW PickstownGregory
Sep 121:40 UTC1.00"FairfaxGregory
Sep 103:30 UTC1.00"TyndallBon Homme
Sep 100:47 UTC1.00"7 SW SpringfieldBon Homme
Sep 100:42 UTC2.00"8 WSW SpringfieldBon Homme
Aug 3021:10 UTC1.00"Camp CrookHarding
Aug 2922:50 UTC1.50"9 SW BowdleWalworth
Aug 2922:30 UTC1.50"5 SW BowdleWalworth
Aug 2908:35 UTC1.50"4 NE VerdonBrown
Aug 2905:40 UTC1.25"3 SSW Whitlocks Bay RecPotter
Aug 2903:47 UTC1.50"7 S VaylandHand
Aug 2903:15 UTC1.75"4 NE Miller Dale ColonyHand
Aug 2902:27 UTC1.00"5 SSW OrientHand
Aug 2902:00 UTC1.00"GettysburgPotter
Aug 2900:14 UTC1.75"EurekaMcPherson
Aug 2721:32 UTC1.00"OelrichsFall River
Aug 2721:25 UTC1.25"3 NW OelrichsFall River
Aug 2408:40 UTC1.00"RamonaLake
Aug 2401:30 UTC1.75"3 NE Mound CityCampbell
Aug 2401:16 UTC3.00"4 WNW Mound CityCampbell
Aug 2401:09 UTC2.75"4 W Mound CityCampbell

NOAA Storm Prediction Center preliminary reports, public domain; times are UTC; sizes are as reported, not surveyed. Full 120-day file: reports.json.

[ 02 ]BEFORE YOU KNOCKSOUTH DAKOTA RULES

What a roofer may and may not do in South Dakota.

Solicitation and rescission

Federal floor: FTC Cooling-Off Rule, 16 C.F.R. §§ 429.0–429.1 — a door-to-door sale of $25 or more agreed at the buyer's home carries a 3-business-day right to cancel, with a narrow exemption where the buyer initiated the call for emergency repairs and signs a dated waiver. Checked at law.cornell.edu, 2026-08-15. State law can add to this floor; it… Full entry and sources →

Deductiblesecondary source

SDCL § 37-24-50: no contractor providing residential roofing goods and services may advertise or promise to pay or rebate all or part of an applicable insurance deductible. [SECONDARY] NICB 'State Roofing Contractor Laws Compendium' (undated; retrieved from lcc.mn.gov 2026-08-15). Citation not checked against the primary text this pass — and the… Full entry and sources →

Contractor adjustingnot located

for South Dakota. This pack does not assert where South Dakota draws the line between documenting a roof and adjusting a claim. Public-adjuster licensing is issued by the insurance regulator, not the contractor board — put the question to the South Dakota Division of Insurance in writing before you negotiate, interpret coverage, or advise the homeowner… Full entry and sources →

Licence

Local only Full entry and sources →

[ 03 ]THE CANVASS, DONE RIGHTFREE TOOLS

Free, no signup: the proposal and contract with the 51-state notices appendix, the supplement packet and the estimate calculator, the supplement and canvass guides, and the roofing calculators. The storm canvass brief in Roofing OS turns a report list like the one above into a neighbourhood plan and a door pitch; see what is inside.

[ 04 ]STORM BRIEFWEEKLY · FREE · HAIL BY STATE

Get the Storm Brief every Monday.

The week's hail reports by state from NOAA, with the rules that apply where it hit. Plus the free storm canvass workflow and six short emails from The Roofing OS. One click to leave.

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