Hail map for Sioux Falls, SD — August 20, 2026
Hail up to 1.25″ — half dollar size — was estimated within 5 miles of Sioux Falls on August 20, 2026.
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- The August 20, 2026 swath — and every other storm since 2023 across South Dakota
- GPS door-knocking — pins, photos and who you have already hit
- Jobs, contacts, estimates and invoices included
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- Max hail size
- 1.25″
- half dollar
- Impact rating
- 4/10
- from stone size
- Size bands over the city
- 2
- distinct radar bands
- Measured on the ground
- 1.50″
- 14.1 mi away · Public
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
Did hail hit your address?
This page covers Sioux Falls as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.
Check my addressFree, and no account needed to look it up. If hail did hit, you'll have the date and the stone size in writing — which is the first thing an adjuster asks for.
Other towns hit on August 20, 2026
What people on the ground measured in Sioux Falls, SD on August 20, 2026
7 reports filed with the National Weather Service — 1 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.
- 1.50″ half dollar size Public5 NW Crooks, SD · 14.1 mi away7:02 PM CDTMinnehaha County
Photo posted to social media. Time estimated based on radar.
- 1.25″ half dollar size Cocorahs3 NE Crooks, SD · 10.4 mi away7:10 PM CDTMinnehaha County
Minor leaf damage.
- 1.25″ half dollar size Public4 NE Crooks, SD · 10.8 mi away7:10 PM CDTMinnehaha County
Hail may have been larger. The hail was still quarter size when found in the grass over 30 minutes after it fell.
- 1.25″ half dollar size Public2 W Hartford, SD · 14.2 mi away7:00 PM CDTMinnehaha County
Photo posted to social media.
- 1.00″ quarter size Public4 S Sioux Falls, SD · 4.4 mi away7:28 PM CDTLincoln County
- 1.00″ quarter size Public5 ENE Crooks, SD · 9.5 mi away7:15 PM CDTMinnehaha County
Report and photo via social media.
- 1.00″ quarter size Trained Spotter2 W Baltic, SD · 15.2 mi away7:14 PM CDTMinnehaha County
Report relayed from NWS Aberdeen office.
These are verified ground reports, updated 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.
Shopping for a hail app to work Sioux Falls, SD?
This page is one storm. If you are deciding which tool to work Sioux Falls, SD 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.
Sioux Falls hail on August 20, 2026
Hail up to 1.25 inches — half dollar size — was estimated within about 5 miles of Sioux Falls that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.