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Storm detail

Nationwide Daily Hail, Wind & Tornado Map - August 21, 2026

Hail as large as 3.00 inches was reported near 6 miles east-northeast of Oelrichs, SD. Wind up to 96 mph was reported near 2 miles east-southeast of Oakley, KS. 6 tornadoes were reported, including one near 4 miles southeast of Sublette, IL. The storm had 15 official hail reports.

Affected statesAL, AR, AZ, CO, FL, GA, IA, ID, IL, KS, LA, MI, MN, MO, MS, NC, NE, NM, NV, NY, OH, OK, SC, SD, TN, TX, UT, WI, WY
Peak hail5.45 in
Reports15 official · 30 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 93.3%

93.3% from 15 official hail reports

14 reports aligned with the mapped swath and estimated hail size

Unofficial score 76.7%

76.7% from 30 unofficial hail reports

23 reports aligned with the mapped swath and estimated hail size

Storm description

Hail as large as 3.00 inches was reported near 6 miles east-northeast of Oelrichs, SD. Wind up to 96 mph was reported near 2 miles east-southeast of Oakley, KS. 6 tornadoes were reported, including one near 4 miles southeast of Sublette, IL. The storm had 15 official hail reports. The affected area shown on the map covers about 19670.9 square miles.

State storm details

Storm snapshot

Date windowAug 20, 2026 10:00 PM to Aug 22, 2026 1:45 AM CST
Mapped area19670.9 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