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Storm detail

Nationwide Daily Hail, Wind & Tornado Map - August 20, 2026

Hail as large as 2.50 inches was reported near 4 miles northeast of Vesta, MN. Wind up to 96 mph was reported near 2 miles east-southeast of Oakley, KS. 14 tornadoes were reported, including one near 3 miles east-southeast of Cunningham, KY. The storm had 20 official hail reports.

Affected statesAL, AR, AZ, CA, CO, DE, FL, GA, ID, IL, IN, KS, KY, LA, MD, ME, MN, MO, MS, NC, NE, NJ, NM, NY, OK, PA, SC, SD, TN, TX, UT, VA, WY
Peak hail3.5 in
Reports20 official · 45 unofficial
Storm attributesHail · Wind · Tornado
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Core ReplayIncluded
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Includes HailMapr Core Replay for step-by-step storm playback across the event window.

HailMapr validation score

Official score 85.0%

85.0% from 20 official hail reports

17 reports aligned with the mapped swath and estimated hail size

Unofficial score 73.3%

73.3% from 45 unofficial hail reports

33 reports aligned with the mapped swath and estimated hail size

Storm description

Hail as large as 2.50 inches was reported near 4 miles northeast of Vesta, MN. Wind up to 96 mph was reported near 2 miles east-southeast of Oakley, KS. 14 tornadoes were reported, including one near 3 miles east-southeast of Cunningham, KY. The storm had 20 official hail reports. The affected area shown on the map covers about 19211.2 square miles.

State storm details

Storm snapshot

Date windowAug 19, 2026 10:00 PM to Aug 21, 2026 1:45 AM CST
Mapped area19211.2 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