Storm detail

SPOKANE, WA

Peak mapped hail up to 2.38 inches struck near 3 miles south of Copperville, ID; damaging wind peaked at 85 mph near 2 miles south of Moses Lake, WA. Other affected states included OR. Verified with 46 NWS warnings and 1 official hail report.

Affected statesID, OR, WA
Peak hail2.38 in
Reports1 official · 12 unofficial
Storm attributesHail · Wind
Single-map price$59.99
Core ReplayIncluded
Includes HailMapr Core Replay for step-by-step storm playback across the event window.

HailMapr validation score

Official score 0.0%

0.0% from 1 official hail report

0 reports aligned with the mapped swath and estimated hail size

Unofficial score 58.3%

58.3% from 12 unofficial hail reports

7 reports aligned with the mapped swath and estimated hail size

Storm description

Peak mapped hail up to 2.38 inches struck near 3 miles south of Copperville, ID; damaging wind peaked at 85 mph near 2 miles south of Moses Lake, WA. Other affected states included OR. Verified with 46 NWS warnings and 1 official hail report. The HailMapr storm footprint covers about 2825.9 square miles and updates as new hail swaths, wind reports, and tornado reports are appended to the national live map. The official HailMapr accuracy score is 0.0%, based on trusted hail reports compared with the mapped hail footprint and predicted hail size. The unofficial HailMapr accuracy score is 58.3%, giving a separate read on public and lower-confidence hail reports without mixing them into the official score.

Storm snapshot

Date windowMay 28, 2026 3:54 PM to May 29, 2026 2:24 AM CST
Mapped area2825.9 sq mi
Statusready

What you get

  • HailMapr Core Replay with step-by-step hail-track playback
  • Heatmap and polygon package for the event window
  • Trusted hail report validation overlay
  • Owned access that remains even if subscriptions end