Tornado, Kossuth
- When
- August 29, 4:30 PM CST
- Where
- Kossuth County
- Rating
- F4
- Path length
- 15.8 mi
- Path width
- 100 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 42.920, -94.230
Tornadoes and Hail in Iowa, August 29, 1964
4 tornado, 3 thunderstorm wind, 1 hail, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 2
- Property damage
- $325,000
- Crop damage
- None recorded
- Events
- 8
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Event by event
4 tornado, 3 thunderstorm wind, 1 hail. Local standard time, as filed.
Tornado, Webster
- When
- August 29, 4:38 PM CST
- Where
- Webster County
- Rating
- F2
- Path length
- 2 mi
- Path width
- 77 yd
- Property damage
- $25,000
- Coordinates
- 42.550, -94.200
Thunderstorm Wind, Boone
- When
- August 29, 5:00 PM CST
- Where
- Boone County
- Coordinates
- 42.000, -93.680
Hail, Pottawattamie
- When
- August 29, 5:30 PM CST
- Where
- Pottawattamie County
- Measured
- 1.75 in hail
- Coordinates
- 41.280, -95.400
Tornado, Worth
- When
- August 29, 5:55 PM CST
- Where
- Worth County
- Rating
- F2
- Path length
- 11.2 mi
- Path width
- 150 yd
- Property damage
- $25,000
- Coordinates
- 43.370, -93.450
Tornado, Worth
- When
- August 29, 6:00 PM CST
- Where
- Worth County
- Rating
- F2
- Path length
- 2 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 43.300, -93.430
Thunderstorm Wind, Butler
- When
- August 29, 7:30 PM CST
- Where
- Butler County
- Coordinates
- 42.700, -92.900
Thunderstorm Wind, Washington
- When
- August 29, 10:30 PM CST
- Where
- Washington County
- Coordinates
- 41.380, -91.580
What these are
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes in North Carolina, August 29, 1964
- Tornadoes in South Carolina, August 29, 1964
- Tornadoes in North Dakota, August 29, 1964
- Damaging Winds in Oklahoma, August 29, 1964
- Hail and Damaging Wind in Kansas, August 29, 1964
- Damaging Wind in Nebraska, August 29, 1964
- Damaging Wind in Missouri, August 29, 1964
More
Every storm in Iowa in 1964Every state in 1964This day in weather historyThe tornado archive for Iowa, 1964
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10013601, 10013602, 10013603, 10013604, 10013605, 10013606, 10013607, 10013608.