Hail, Boone
- When
- August 26, 6:00 PM CST
- Where
- Boone County
- Measured
- 0.75 in hail
- Coordinates
- 42.080, -93.900
Tornadoes and Hail in Iowa, August 26, 1965
8 hail, 5 tornado, 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
- 1
- Injuries
- 19
- Property damage
- $5.1 million
- Crop damage
- None recorded
- Events
- 13
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
8 hail, 5 tornado. Local standard time, as filed.
Tornado, Dubuque
- When
- August 26, 6:45 PM CST
- Where
- Dubuque County
- Rating
- F2
- Path length
- 0.5 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 42.530, -90.970
Tornado, Story
- When
- August 26, 6:50 PM CST
- Where
- Story County
- Rating
- F2
- Path length
- 1.9 mi
- Path width
- 100 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $25,000
- Coordinates
- 41.900, -93.300
Hail,
- When
- August 26, 6:55 PM CST
- Where
- County
- Measured
- 1.75 in hail
- Coordinates
- 42.700, -90.900
Tornado, Jasper
- When
- August 26, 6:58 PM CST
- Where
- Jasper County
- Rating
- F2
- Path length
- 3 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 41.870, -93.250
Tornado, Black Hawk
- When
- August 26, 7:00 PM CST
- Where
- Black Hawk County
- Rating
- F4
- Path width
- 200 yd
- Property damage
- $2.5 million
- Coordinates
- 42.300, -92.200
Hail, Mitchell
- When
- August 26, 7:00 PM CST
- Where
- Mitchell County
- Measured
- 0.75 in hail
- Coordinates
- 43.380, -92.900
Tornado, Benton
- When
- August 26, 7:02 PM CST
- Where
- Benton County
- Rating
- F4
- Path length
- 4.7 mi
- Path width
- 200 yd
- Deaths
- 1 direct, 0 indirect
- Injuries
- 17 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 42.300, -92.180
Hail, Black Hawk
- When
- August 26, 7:10 PM CST
- Where
- Black Hawk County
- Measured
- 2 in hail
- Coordinates
- 42.500, -92.280
Hail, Dubuque
- When
- August 26, 7:15 PM CST
- Where
- Dubuque County
- Measured
- 2 in hail
- Coordinates
- 42.380, -90.680
Hail, Black Hawk
- When
- August 26, 7:30 PM CST
- Where
- Black Hawk County
- Measured
- 2.5 in hail
- Coordinates
- 42.380, -92.280
Hail, Dubuque
- When
- August 26, 7:30 PM CST
- Where
- Dubuque County
- Measured
- 3 in hail
- Coordinates
- 42.380, -90.680
Hail, Clinton
- When
- August 26, 11:45 PM CST
- Where
- Clinton County
- Measured
- 2 in hail
- Coordinates
- 41.880, -90.180
The people who died
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Tornado, Benton | 1965-08-26 | Direct |
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Hail in Pennsylvania, August 26, 1965
- Tornado and Damaging Winds in Illinois, August 26, 1965
- Hail and Damaging Winds in Maryland, August 26, 1965
- Damaging Wind in South Dakota, August 26, 1965
- Hail in Virginia, August 26, 1965
- Tornado in West Virginia, August 26, 1965
- Hail in Kansas, August 26, 1965
- Hail in Indiana, August 26, 1965
More
Every storm in Iowa in 1965Every state in 1965This day in weather historyThe tornado archive for Iowa, 1965
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: 10015084, 10015085, 10015296, 10015297, 10015298, 10015299, 10015300, 10015301, 10015302, 10015303, 10015304, 10015305, 10015306.