Rapid City, SD

Hail map for Rapid City, SD — September 4, 2023

NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of Rapid City on September 4, 2023.

Hail swath map for Rapid City, SD on September 4, 2023 showing 1.50 inch hail.
Max hail size
1.50″
half dollar
Impact rating
5/10
from stone size
Size bands over the city
2
distinct radar bands
Measured on the ground
1.25″
8.9 mi away · Public

Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

Roofing contractors

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Homeowners

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This page covers Rapid City 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.

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Other towns hit on September 4, 2023

Virginia Beach, VA1.00″
Every South Dakota city hit on September 4, 2023 →

Other hail dates for Rapid City

August 18, 20261.50″August 16, 20261.00″August 11, 20261.00″July 1, 20261.00″June 22, 20261.50″February 28, 20261.00″August 18, 20251.00″July 23, 20251.50″July 19, 20251.00″July 14, 20251.00″July 1, 20252.00″September 15, 20241.00″
Every storm over Rapid City →

What people on the ground measured in Rapid City, SD on September 4, 2023

6 reports filed with the National Weather Service — 1 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 1.25″ half dollar size Public
    1 E Ellsworth AFB, SD · 8.9 mi away4:15 PM CDTMeade County

    Photo shows several stones of quarter to half dollar size

  • 1.00″ quarter size Public
    1 ESE Dwtn Rapid City, SD · 1.3 mi away3:54 PM CDTPennington County

    mPING report

  • 1.00″ quarter size Public
    1 NE Dwtn Rapid City, SD · 1.7 mi away3:59 PM CDTPennington County

    mPING report

  • 1.00″ quarter size Trained Spotter
    1 NNE Box Elder, SD · 9.4 mi away4:15 PM CDTPennington County

    Winds estimated 60 or higher

  • 1.00″ quarter size Public
    2 E Ellsworth AFB, SD · 9.8 mi away4:12 PM CDTMeade County

    mPING report

  • 0.75″ penny size Public
    1 ESE Dwtn Rapid City, SD · 1.0 mi away3:53 PM CDTPennington County

    mPING report

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.

FAQ

Rapid City hail on September 4, 2023

NOAA radar estimated stones up to 1.50 inches — half dollar size — within about 5 miles of Rapid City that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.

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