StormProof → hail seasons → Rapid City → 2017
Rapid City hail season 2017
42 NWS-recorded hail reports ≥1″ within 25 miles, across 9 storm days, max 2.00". Every one of those reports is a dated, located, citable official record — the context behind this market's 2017 claim volume.
Biggest storm days (2017, final record)
| Date | ≥1″ reports | Max hail | Areas named in the record |
|---|---|---|---|
| August 14, 2017 | 20 | 2.00" | PENNINGTON, MEADE, LAWRENCE |
| August 26, 2017 | 11 | 2.00" | CUSTER, PENNINGTON, MEADE |
| June 28, 2017 | 4 | 1.75" | CUSTER, PENNINGTON |
| July 11, 2017 | 2 | 1.50" | PENNINGTON, MEADE |
| September 8, 2017 | 1 | 1.00" | MEADE |
“The storm also produced wind gusts around 55 mph and torrential rain.”
— NWS event narrative, August 14, 2017 (NCEI Storm Events)
When it fell
May 1 · Jun 6 · Jul 2 · Aug 32 · Sep 1
Wind context: the record also holds 32 thunderstorm-wind events ≥50 kt (≈58 mph, the NWS severe criterion) in this radius for 2017 — relevant where the dispute is wind vs hail causation.
Working a Rapid City claim from 2017?
These are aggregates. A claim file needs the per-address record: every recorded event within 1, 3 and 10 miles of the property, distances, official narratives, and citations an adjuster can check line by line. That's the report — generated in seconds, hosted on HailEvidence (the neutral evidence surface), formatted as an insurance-appeal attachment.
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Provenance
Final counts: NCEI Storm Events Database, file vintage c20260527, hail events with recorded magnitude ≥1.00″ and point coordinates within 25 miles of the Rapid City anchor. NWS records are point and path observations. The absence of a nearby report does NOT prove that no hail fell at this address — it means no observation was logged nearby. A report of nearby hail documents the event; it does not by itself prove damage to a specific structure. Spotted an error? Email the address on our terms page and we correct against the source.