National Storms

July 1964 storm reports: hail, wind and tornadoes

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In July 1964, 96 hail, 176 damaging-wind and 62 tornado reports were logged on 31 storm days across 39 states. The largest hail reported was 4.50″ (softball size) in McKenzie County, ND on July 4, 1964. The most hail reports came on July 3, 1964 (15).

Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

← June 1964 All 1964 storm days August 1964 →

96hail reports
176wind reports
62tornado reports
4.50″largest hail
31storm days
Jul 1: 5Jul 2: 7Jul 3: 15Jul 4: 7Jul 5: 1Jul 6: 0Jul 7: 5Jul 8: 6Jul 9: 5Jul 10: 7Jul 11: 1Jul 12: 0Jul 13: 1Jul 14: 4Jul 15: 0Jul 16: 1Jul 17: 1Jul 18: 3Jul 19: 4Jul 20: 0Jul 21: 3Jul 22: 4Jul 23: 1Jul 24: 0Jul 25: 3Jul 26: 1Jul 27: 3Jul 28: 3Jul 29: 3Jul 30: 0Jul 31: 2Jul 1Jul 4Jul 7Jul 10Jul 13Jul 16Jul 19Jul 22Jul 25Jul 28Jul 31max 15
Hail reports by day, July 1964

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

Biggest storm days of July 1964

DayHailWindTornadoLargest hailStates
Jul 3, 1964151202.75″10
Jul 2, 196471262.50″15
Jul 7, 196451253.00″11
Jul 9, 19645892.75″7
Jul 10, 19647941.75″6
Jul 1, 196451212.00″9
Jul 29, 196431040.75″8
Jul 8, 19646911.75″13
Jul 28, 19643942.25″8
Jul 22, 196441012.00″8

Largest hail reported in July 1964

DaySizeLocation
Jul 4, 19644.50″ (softball)McKenzie County, ND
Jul 7, 19643.00″ (teacup)Hanson County, SD
Jul 3, 19642.75″ (baseball)Marshall County, KS
Jul 3, 19642.75″ (baseball)McPherson County, KS
Jul 9, 19642.75″ (baseball)Woodbury County, IA
Jul 18, 19642.75″ (baseball)La Crosse County, WI
Jul 19, 19642.75″ (baseball)Stutsman County, ND
Jul 2, 19642.50″ (tennis ball)Pottawattamie County, IA
Jul 3, 19642.50″ (tennis ball)Richardson County, NE
Jul 7, 19642.50″ (tennis ball)Cherry County, NE

Storm reports by state, July 1964

StateHailWindTornadoLargest hail
Kansas132112.75″
Nebraska91452.50″
South Dakota81153.00″
Texas1991.00″
Wisconsin9732.75″
Missouri31032.00″
Arkansas3751.50″
Oklahoma3841.25″
Montana7432.00″
Iowa21012.75″
Michigan3721.75″
North Dakota7234.50″
Massachusetts4332.00″
Illinois3602.00″
New York070–
Georgia1411.00″
Indiana051–
North Carolina051–
Vermont3302.00″
Wyoming2311.50″
Florida2121.00″
Idaho1401.00″
Minnesota2212.00″
Pennsylvania050–
Mississippi031–
Tennessee1210.75″
Colorado1110.75″
Kentucky030–
New Hampshire2101.00″
Ohio1201.75″
Alabama011–
Arizona020–
Maine2001.75″
New Mexico1100.75″
Oregon1101.75″
South Carolina002–
Virginia002–
Rhode Island1001.75″
Utah010–

Every storm day in July 1964

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.