Hail, Lyon
- When
- September 3, 12:37 AM CST
- Where
- Lyon County
- Measured
- 1.75 in hail
- Coordinates
- 43.430, -96.180
Tornadoes and Hail in Iowa, September 3, 1980
7 hail, 6 thunderstorm wind, 3 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
- 0
- Injuries
- 0
- Property damage
- $75,000
- Crop damage
- None recorded
- Events
- 16
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
7 hail, 6 thunderstorm wind, 3 tornado. Local standard time, as filed.
Hail, Sioux
- When
- September 3, 6:05 PM CST
- Where
- Sioux County
- Measured
- 2.75 in hail
- Coordinates
- 43.080, -96.400
Hail, Plymouth
- When
- September 3, 6:30 PM CST
- Where
- Plymouth County
- Measured
- 0.75 in hail
- Coordinates
- 42.830, -96.550
Hail, Sioux
- When
- September 3, 6:40 PM CST
- Where
- Sioux County
- Measured
- 1.75 in hail
- Coordinates
- 43.000, -96.470
Hail, Plymouth
- When
- September 3, 6:55 PM CST
- Where
- Plymouth County
- Measured
- 1.75 in hail
- Coordinates
- 42.780, -96.250
Thunderstorm Wind, Plymouth
- When
- September 3, 7:12 PM CST
- Where
- Plymouth County
- Measured
- 52 kt (60 mph)
- Coordinates
- 42.780, -96.170
Thunderstorm Wind, Plymouth
- When
- September 3, 7:45 PM CST
- Where
- Plymouth County
- Measured
- 52 kt (60 mph)
- Coordinates
- 42.580, -95.970
Tornado, Kossuth
- When
- September 3, 8:00 PM CST
- Where
- Kossuth County
- Rating
- F0
- Path length
- 0.3 mi
- Path width
- 30 yd
- Property damage
- $25,000
- Coordinates
- 43.380, -94.100
Tornado, Kossuth
- When
- September 3, 8:00 PM CST
- Where
- Kossuth County
- Rating
- F0
- Path length
- 1 mi
- Path width
- 30 yd
- Property damage
- $25,000
- Coordinates
- 43.400, -94.080
Hail, Woodbury
- When
- September 3, 8:15 PM CST
- Where
- Woodbury County
- Measured
- 0.75 in hail
- Coordinates
- 42.230, -96.230
Tornado, Scott
- When
- September 3, 8:40 PM CST
- Where
- Scott County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 30 yd
- Property damage
- $25,000
- Coordinates
- 41.470, -90.720
Thunderstorm Wind, Monona
- When
- September 3, 8:48 PM CST
- Where
- Monona County
- Coordinates
- 42.020, -95.970
Thunderstorm Wind, Monona
- When
- September 3, 9:15 PM CST
- Where
- Monona County
- Coordinates
- 42.170, -95.800
Thunderstorm Wind, Floyd
- When
- September 3, 10:10 PM CST
- Where
- Floyd County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.130, -92.770
Hail, Black Hawk
- When
- September 3, 10:55 PM CST
- Where
- Black Hawk County
- Measured
- 0.75 in hail
- Coordinates
- 42.630, -92.550
Thunderstorm Wind, Boone
- When
- September 3, 11:05 PM CST
- Where
- Boone County
- Measured
- 52 kt (60 mph)
- Coordinates
- 41.880, -93.850
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- 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
- Tornadoes and Hail in Minnesota, September 3, 1980
- Tornado and Hail in Wisconsin, September 3, 1980
- Tornado in Arkansas, September 3, 1980
- Damaging Winds in Alabama, September 3, 1980
- Damaging Wind in South Carolina, September 3, 1980
- Hail in South Dakota, September 3, 1980
- Damaging Wind in Nebraska, September 3, 1980
- Damaging Wind in Georgia, September 3, 1980
More
Every storm in Iowa in 1980Every state in 1980This day in weather historyThe tornado archive for Iowa, 1980
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: 10013689, 10013690, 10013691, 10013692, 10013693, 10013694, 10013695, 10013696, 10013697, 10013698, 10013699, 10013700, 10013701, 10013702, 10013703, 10013704.