Hail, Lyon
- When
- May 30, 3:45 PM CST
- Where
- Lyon County
- Measured
- 1.75 in hail
- Coordinates
- 43.370, -96.220
Tornadoes and Hail in Iowa, May 30, 1985
10 thunderstorm wind, 8 hail, 2 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
- 2
- Injuries
- 25
- Property damage
- $25 million
- Crop damage
- None recorded
- Events
- 20
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
10 thunderstorm wind, 8 hail, 2 tornado. Local standard time, as filed.
Thunderstorm Wind, Osceola
- When
- May 30, 4:35 PM CST
- Where
- Osceola County
- Coordinates
- 43.420, -95.550
Hail, Osceola
- When
- May 30, 4:40 PM CST
- Where
- Osceola County
- Measured
- 1.75 in hail
- Coordinates
- 43.400, -95.770
Thunderstorm Wind, Dickinson
- When
- May 30, 5:00 PM CST
- Where
- Dickinson County
- Coordinates
- 43.470, -95.320
Hail, Dickinson
- When
- May 30, 5:10 PM CST
- Where
- Dickinson County
- Measured
- 1.75 in hail
- Coordinates
- 43.300, -94.980
Thunderstorm Wind, Emmet
- When
- May 30, 5:15 PM CST
- Where
- Emmet County
- Measured
- 56 kt (64 mph)
- Coordinates
- 43.400, -94.750
Hail, Kossuth
- When
- May 30, 5:55 PM CST
- Where
- Kossuth County
- Measured
- 2 in hail
- Coordinates
- 43.180, -94.220
Thunderstorm Wind, Kossuth
- When
- May 30, 6:10 PM CST
- Where
- Kossuth County
- Coordinates
- 43.470, -94.300
Hail, Kossuth
- When
- May 30, 6:27 PM CST
- Where
- Kossuth County
- Measured
- 2 in hail
- Coordinates
- 43.180, -94.220
Tornado, Clay
- When
- May 30, 6:38 PM CST
- Where
- Clay County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 20 yd
- Coordinates
- 43.050, -95.150
Hail, Cerro Gordo
- When
- May 30, 7:03 PM CST
- Where
- Cerro Gordo County
- Measured
- 1.75 in hail
- Coordinates
- 43.070, -93.280
Thunderstorm Wind, Palo Alto
- When
- May 30, 7:05 PM CST
- Where
- Palo Alto County
- Coordinates
- 43.180, -94.550
Hail, Floyd
- When
- May 30, 7:27 PM CST
- Where
- Floyd County
- Measured
- 2.75 in hail
- Coordinates
- 43.130, -92.930
Thunderstorm Wind, Floyd
- When
- May 30, 7:45 PM CST
- Where
- Floyd County
- Coordinates
- 43.070, -92.700
Thunderstorm Wind, Floyd
- When
- May 30, 7:46 PM CST
- Where
- Floyd County
- Coordinates
- 43.130, -92.930
Thunderstorm Wind, Howard
- When
- May 30, 8:00 PM CST
- Where
- Howard County
- Measured
- 54 kt (62 mph)
- Coordinates
- 43.380, -92.120
Thunderstorm Wind, Fayette
- When
- May 30, 8:45 PM CST
- Where
- Fayette County
- Coordinates
- 42.930, -91.930
Thunderstorm Wind, Fayette
- When
- May 30, 9:18 PM CST
- Where
- Fayette County
- Coordinates
- 42.830, -91.650
Hail, Bremer
- When
- May 30, 9:20 PM CST
- Where
- Bremer County
- Measured
- 0.75 in hail
- Coordinates
- 42.830, -92.350
Tornado, Clayton
- When
- May 30, 9:22 PM CST
- Where
- Clayton County
- Rating
- F3
- Path length
- 20 mi
- Path width
- 500 yd
- Deaths
- 2 direct, 0 indirect
- Injuries
- 25 direct, 0 indirect
- Property damage
- $25 million
- Coordinates
- 42.850, -91.530
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 Wisconsin, May 30, 1985
- Tornadoes and Hail in Missouri, May 30, 1985
- Tornadoes and Hail in Minnesota, May 30, 1985
- Tornadoes and Damaging Winds in North Dakota, May 30, 1985
- Tornadoes and Hail in South Dakota, May 30, 1985
- Hail in Michigan, May 30, 1985
- Hail and Damaging Winds in Ohio, May 30, 1985
- Hail in Kansas, May 30, 1985
- Tornadoes in Montana, May 30, 1985
- Damaging Wind in New York, May 30, 1985
More
Every storm in Iowa in 1985Every state in 1985This day in weather historyThe tornado archive for Iowa, 1985
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: 10015030, 10015031, 10015032, 10015033, 10015034, 10015035, 10015036, 10015037, 10015038, 10015039, 10015040, 10015041, 10015042, 10015043, 10015044, 10015045, 10015046, 10015047, 10015048, 10015049.