Nationwide Daily Hail, Wind & Tornado Map - May 31, 2026
Peak mapped hail up to 3.50 inches struck near Gridley, KS; damaging wind peaked at 94 mph near Kansas City Downtown, MO; tornado reports affected near 1 mile northwest of Bridgewater, SD. Other affected states included AL, AR, FL, GA, IA, ID and more. Verified with 22 official hail reports.
HailMapr validation score
95.5% from 22 official hail reports
21 reports aligned with the mapped swath and estimated hail size
73.2% from 41 unofficial hail reports
30 reports aligned with the mapped swath and estimated hail size
Storm description
Peak mapped hail up to 3.50 inches struck near Gridley, KS; damaging wind peaked at 94 mph near Kansas City Downtown, MO; tornado reports affected near 1 mile northwest of Bridgewater, SD. Other affected states included AL, AR, FL, GA, IA, ID and more. Verified with 22 official hail reports. The HailMapr storm footprint covers about 14765.5 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 95.5%, based on trusted hail reports compared with the mapped hail footprint and predicted hail size. The unofficial HailMapr accuracy score is 73.2%, giving a separate read on public and lower-confidence hail reports without mixing them into the official score.
Storm snapshot
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