Tornado, Plymouth
- When
- May 15, 11:15 AM CST
- Where
- Plymouth County
- Path width
- 33 yd
- Coordinates
- 42.800, -95.970
Tornadoes and Damaging Wind in Iowa, May 15, 1965
5 tornado, 1 thunderstorm wind, 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
- 0
- Property damage
- $3,000
- Crop damage
- None recorded
- Events
- 6
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
5 tornado, 1 thunderstorm wind. Local standard time, as filed.
Tornado, Calhoun
- When
- May 15, 11:45 AM CST
- Where
- Calhoun County
- Rating
- F2
- Path length
- 0.5 mi
- Path width
- 50 yd
- Property damage
- $250
- Coordinates
- 42.380, -94.620
Tornado, Sac
- When
- May 15, 1:30 PM CST
- Where
- Sac County
- Rating
- F2
- Path length
- 0.5 mi
- Path width
- 50 yd
- Property damage
- $250
- Coordinates
- 42.400, -95.000
Tornado, Chickasaw
- When
- May 15, 3:30 PM CST
- Where
- Chickasaw County
- Rating
- F1
- Path width
- 33 yd
- Property damage
- $3,000
- Coordinates
- 43.100, -92.300
Tornado, Humboldt
- When
- May 15, 4:00 PM CST
- Where
- Humboldt County
- Rating
- F2
- Path length
- 0.5 mi
- Path width
- 100 yd
- Property damage
- $250
- Coordinates
- 42.780, -94.170
Thunderstorm Wind, Benton
- When
- May 15, 4:55 PM CST
- Where
- Benton County
- Coordinates
- 42.280, -92.000
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Texas, May 15, 1965
- Tornadoes and Hail in Wisconsin, May 15, 1965
- Tornadoes in Oklahoma, May 15, 1965
- Hail and Damaging Wind in Missouri, May 15, 1965
- Damaging Winds in Illinois, May 15, 1965
- Tornadoes in Nebraska, May 15, 1965
- Damaging Wind in Mississippi, May 15, 1965
- Hail in Arkansas, May 15, 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: 10013654, 10013655, 10013656, 10018268, 10018269, 10018270.