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Storm detail

Nationwide Daily Hail Map - August 3, 2026

HailMapr Live · updating

Peak mapped hail up to 1.81 inches struck near 1 mile west-northwest of Grand Forks, ND. Other affected states included MN, SD. Verified with 1 official hail report.

Affected statesMN, ND, SD
Peak hail1.81 in
Reports1 official
Storm attributesHail
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Core ReplayIncluded
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Includes HailMapr Core Replay for step-by-step storm playback across the event window. This live map updates automatically every few minutes.
HailMapr Live

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 Pending

No unofficial score yet

No unofficial hail reports are available for scoring yet.

Storm description

Peak mapped hail up to 1.81 inches struck near 1 mile west-northwest of Grand Forks, ND. Other affected states included MN, SD. Verified with 1 official hail report. The HailMapr storm footprint covers about 585.2 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.

Storm snapshot

Date windowAug 2, 2026 10:00 PM to Aug 3, 2026 4:30 AM CST
Mapped area585.2 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