Storm detail

GREEN BAY, WI

Peak mapped hail up to 2.27 inches struck near 1 mile east-southeast of Rib Mountain Stat, WI; damaging wind peaked at 69 mph near 1 mile west of Oxford, WI. Verified with 46 NWS warnings and 4 official hail reports.

Affected statesWI
Peak hail2.27 in
Reports4 official · 13 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 50.0%

50.0% from 4 official hail reports

2 reports aligned with the mapped swath and estimated hail size

Unofficial score 76.9%

76.9% from 13 unofficial hail reports

10 reports aligned with the mapped swath and estimated hail size

Storm description

Peak mapped hail up to 2.27 inches struck near 1 mile east-southeast of Rib Mountain Stat, WI; damaging wind peaked at 69 mph near 1 mile west of Oxford, WI. Verified with 46 NWS warnings and 4 official hail reports. The HailMapr storm footprint covers about 818.5 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 50.0%, based on trusted hail reports compared with the mapped hail footprint and predicted hail size. The unofficial HailMapr accuracy score is 76.9%, giving a separate read on public and lower-confidence hail reports without mixing them into the official score.

Storm snapshot

Date windowMay 27, 2026 2:57 PM to May 27, 2026 10:27 PM CST
Mapped area818.5 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