Storm reports for August 21, 2025

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports; NOAA MRMS radar hail estimates (MESH) via the Iowa Environmental Mesonet; 2020 Census housing units. Data through November 6, 2026. Methodology

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Other storms on August 21 →

On August 21, 2025, 7 hail, 23 damaging-wind and 3 tornado reports were logged across 9 states. The largest hail reported was 2.75″ (baseball size) in Miner County, SD. Radar estimated hail of 1 inch or larger over 1,418 square miles containing about 16,000 homes.

Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Colored areas are NOAA MRMS radar estimates of the largest hail (MESH) over the day, lower 48 states only; radar overestimates and underestimates size, so read it with the ground reports.

Storm reports by state

Cities with the largest radar-estimated hail

Counties by homes inside 1″+ radar-estimated hail

Homes are 2020 Census housing units and people are 2020 Census residents, counted by block group where its center of population lies under radar-estimated hail of 1 inch or larger.

Hail reports (7)

Damage, injuries and deaths

National Weather Service offices recorded about $39,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (33 events in 9 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Pinal County, AZ (near Florence Jct) · Thunderstorm wind 58 mph · $10,000
  “Images showed power poles toppled near Gold Canyon. Location and timing based on outage map report. Wind gusts were estimated at 55-60 mph. No injuries were reported.”
• Maricopa County, AZ (near Sunnyslope) · Thunderstorm wind 64 mph · $5,000
  “Large tree fell on top of a couple parked vehicles and caused damage to a carport at Las Brisas Condominiums near 7th Street and Northern Ave in Phoenix with another large tree uprooted along a canal located near the condominium. Wind gusts were estimated upwards of 65 mph.”
• Maricopa County, AZ (near Cactus) · Thunderstorm wind 64 mph · $5,000
  “Several downed trees near 12th Street and Northern Ave in Phoenix. Wind gusts were estimated upwards of 65 mph. No injuries were reported.”
• Pinal County, AZ (near Palm Spgs) · Thunderstorm wind 58 mph · $5,000
  “Downed power lines in Apache Junction. Wind gusts were estimated at 55-60 mph. No injuries were reported.”
• Fulton County, GA (near Adamsville) · Thunderstorm wind 55 mph · $1,000
  “A photo on social media shows a large tree limb blown down near the Hamilton E. Holmes MARTA station.”
• Fulton County, GA (near Atlanta) · Thunderstorm wind 40 mph · $1,000
  “Large tree limbs downed due to thunderstorm winds near Dekalb and Moreland Ave.”

Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.

Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.

Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final