Nationwide Daily Hail, Wind & Tornado Map - May 27, 2026
Peak mapped hail up to 1.99 inches struck near 1 mile east-southeast of Rib Mountain Stat, WI; damaging wind peaked at 76 mph near 1 mile north-northwest of Petronila, TX; tornado reports affected near 3 miles north of New Berlin, TX. Other affected states included AR, DE, FL, IA, ID, IN and more. Verified with 5 official hail reports.
HailMapr validation score
60.0% from 5 official hail reports
3 reports aligned with the mapped swath and estimated hail size
77.3% from 22 unofficial hail reports
17 reports aligned with the mapped swath and estimated hail size
Storm description
Peak mapped hail up to 1.99 inches struck near 1 mile east-southeast of Rib Mountain Stat, WI; damaging wind peaked at 76 mph near 1 mile north-northwest of Petronila, TX; tornado reports affected near 3 miles north of New Berlin, TX. Other affected states included AR, DE, FL, IA, ID, IN and more. Verified with 5 official hail reports. The HailMapr storm footprint covers about 4869.9 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 60.0%, based on trusted hail reports compared with the mapped hail footprint and predicted hail size. The unofficial HailMapr accuracy score is 77.3%, 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