National Storms

July 2021 storm reports: hail, wind and tornadoes

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In July 2021, 765 hail, 3,382 damaging-wind and 127 tornado reports were logged on 31 storm days across 47 states. The largest hail reported was 4.30″ (grapefruit size) in Box Butte County, NE on July 8, 2021. The most hail reports came on July 9, 2021 (114). Radar estimated hail of 1 inch or larger on 31 days; the widest swath, on July 9, 2021, covered 7,527 square miles.

Source: NOAA Storm Prediction Center storm reports; NOAA MRMS radar hail estimates (MESH) via the Iowa Environmental Mesonet. Data through November 6, 2026. Methodology

← June 2021 All 2021 storm days August 2021 →

765hail reports
3,382wind reports
127tornado reports
4.30″largest hail
31storm days
31days with 1″+ radar hail
Jul 1: 13Jul 2: 12Jul 3: 20Jul 4: 24Jul 5: 5Jul 6: 45Jul 7: 19Jul 8: 74Jul 9: 114Jul 10: 16Jul 11: 24Jul 12: 5Jul 13: 16Jul 14: 18Jul 15: 9Jul 16: 23Jul 17: 26Jul 18: 25Jul 19: 10Jul 20: 29Jul 21: 29Jul 22: 5Jul 23: 40Jul 24: 2Jul 25: 39Jul 26: 43Jul 27: 20Jul 28: 23Jul 29: 23Jul 30: 5Jul 31: 9Jul 1Jul 4Jul 7Jul 10Jul 13Jul 16Jul 19Jul 22Jul 25Jul 28Jul 31max 114
Hail reports by day, July 2021

Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.

Biggest storm days of July 2021

DayHailWindTornadoLargest hailStatesRadar 1″+ areaRadar max
Jul 9, 202111429304.25″227,527 mi²3.92″
Jul 7, 20211927881.25″18379 mi²2.47″
Jul 6, 20214525131.75″211,866 mi²3.75″
Jul 28, 202123216182.00″181,201 mi²2.59″
Jul 17, 20212620622.25″22829 mi²3.15″
Jul 8, 20217412394.30″193,921 mi²4.02″
Jul 13, 20211617221.50″23619 mi²4.51″
Jul 20, 20212915412.50″13169 mi²2.59″
Jul 27, 20212016302.75″19905 mi²2.58″
Jul 29, 202123124302.25″191,133 mi²2.57″

Largest hail reported in July 2021

DaySizeLocation
Jul 8, 20214.30″ (grapefruit)Box Butte County, NE
Jul 9, 20214.25″ (grapefruit)Box Butte County, NE
Jul 25, 20213.75″ (teacup)Codington County, SD
Jul 9, 20213.50″ (teacup)Box Butte County, NE
Jul 9, 20213.30″ (teacup)Morrill County, NE
Jul 9, 20213.25″ (teacup)Polk County, IA
Jul 9, 20213.00″ (teacup)Dallas County, IA
Jul 9, 20213.00″ (teacup)Box Butte County, NE
Jul 9, 20213.00″ (teacup)Hancock County, IL
Jul 25, 20213.00″ (teacup)Spink County, SD

Storm reports by state, July 2021

StateHailWindTornadoLargest hail
Pennsylvania40440141.50″
New York3040112.50″
Virginia1122542.25″
New Jersey3615582.50″
Wisconsin32121173.00″
South Dakota857503.75″
Maryland1612911.75″
Nebraska3111314.30″
Massachusetts2011901.75″
Montana459312.00″
Arizona1210831.75″
North Carolina611431.25″
Iowa6631253.25″
Illinois1210183.00″
Kansas367712.00″
Minnesota525233.00″
Ohio78961.75″
Texas197012.00″
North Dakota384802.75″
Michigan17540.75″
Colorado303932.75″
Missouri105922.00″
Kentucky16201.00″
New Mexico313022.75″
Wyoming411902.75″
Oklahoma55111.50″
Indiana15220.75″
South Carolina74350.75″
Georgia24421.00″
Utah54031.50″
New Hampshire222501.75″
Connecticut13811.00″
Nevada0390–
West Virginia13701.00″
Tennessee0340–
Alabama0310–
Florida12420.88″
Vermont0210–
Delaware11421.00″
Arkansas2901.00″
District of Columbia091–
California1700.50″
Idaho3401.50″
Maine4301.00″
Mississippi050–
Louisiana040–
Rhode Island1300.75″

Every storm day in July 2021

Jul 1 Jul 2 Jul 3 Jul 4 Jul 5 Jul 6 Jul 7 Jul 8 Jul 9 Jul 10 Jul 11 Jul 12 Jul 13 Jul 14 Jul 15 Jul 16 Jul 17 Jul 18 Jul 19 Jul 20 Jul 21 Jul 22 Jul 23 Jul 24 Jul 25 Jul 26 Jul 27 Jul 28 Jul 29 Jul 30 Jul 31

A storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Read more about NOAA storm reports.

Guide: Storm reports: preliminary vs final