Hail, Pottawattamie
- When
- April 26, 3:55 PM CST
- Where
- Pottawattamie County
- Measured
- 1.75 in hail
- Coordinates
- 41.270, -95.870
Tornadoes and Hail in Iowa, April 26, 1984
18 hail, 8 thunderstorm wind, 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
- 0
- Injuries
- 6
- Property damage
- $7.8 million
- Crop damage
- None recorded
- Events
- 31
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
18 hail, 8 thunderstorm wind, 5 tornado. Local standard time, as filed.
Hail, Crawford
- When
- April 26, 4:00 PM CST
- Where
- Crawford County
- Measured
- 2 in hail
- Coordinates
- 42.020, -95.350
Hail, Sioux
- When
- April 26, 4:05 PM CST
- Where
- Sioux County
- Measured
- 1.75 in hail
- Coordinates
- 43.080, -96.180
Hail, Mills
- When
- April 26, 4:20 PM CST
- Where
- Mills County
- Measured
- 1.75 in hail
- Coordinates
- 41.020, -95.650
Hail, Sac
- When
- April 26, 4:25 PM CST
- Where
- Sac County
- Measured
- 1.75 in hail
- Coordinates
- 42.380, -95.130
Hail, Shelby
- When
- April 26, 4:30 PM CST
- Where
- Shelby County
- Measured
- 1.75 in hail
- Coordinates
- 41.720, -95.400
Tornado, Sac
- When
- April 26, 4:40 PM CST
- Where
- Sac County
- Rating
- F2
- Path length
- 10 mi
- Path width
- 200 yd
- Property damage
- $2.5 million
- Coordinates
- 42.320, -94.920
Hail, Fremont
- When
- April 26, 4:40 PM CST
- Where
- Fremont County
- Measured
- 2.75 in hail
- Coordinates
- 40.880, -95.430
Hail, O'Brien
- When
- April 26, 4:45 PM CST
- Where
- O'Brien County
- Measured
- 1.75 in hail
- Coordinates
- 42.980, -95.630
Hail, Mills
- When
- April 26, 4:50 PM CST
- Where
- Mills County
- Measured
- 2.75 in hail
- Coordinates
- 40.970, -95.550
Hail, Sac
- When
- April 26, 4:50 PM CST
- Where
- Sac County
- Measured
- 1.75 in hail
- Coordinates
- 42.420, -95.000
Tornado, Calhoun
- When
- April 26, 4:58 PM CST
- Where
- Calhoun County
- Rating
- F2
- Path length
- 5 mi
- Path width
- 20 yd
- Property damage
- $2.5 million
- Coordinates
- 42.470, -94.870
Hail, Shelby
- When
- April 26, 5:00 PM CST
- Where
- Shelby County
- Measured
- 1.75 in hail
- Coordinates
- 41.720, -95.400
Tornado, Pocahontas
- When
- April 26, 5:10 PM CST
- Where
- Pocahontas County
- Rating
- F2
- Path length
- 7 mi
- Path width
- 20 yd
- Property damage
- $2.5 million
- Coordinates
- 42.550, -94.830
Hail, Cass
- When
- April 26, 5:30 PM CST
- Where
- Cass County
- Measured
- 1.75 in hail
- Coordinates
- 41.400, -95.020
Hail, Shelby
- When
- April 26, 5:30 PM CST
- Where
- Shelby County
- Measured
- 1.75 in hail
- Coordinates
- 41.720, -95.400
Thunderstorm Wind, Carroll
- When
- April 26, 5:30 PM CST
- Where
- Carroll County
- Coordinates
- 42.030, -94.870
Hail, Cass
- When
- April 26, 5:45 PM CST
- Where
- Cass County
- Measured
- 1.75 in hail
- Coordinates
- 41.400, -95.020
Hail, Kossuth
- When
- April 26, 5:50 PM CST
- Where
- Kossuth County
- Measured
- 1.75 in hail
- Coordinates
- 43.070, -94.230
Hail, Cass
- When
- April 26, 6:00 PM CST
- Where
- Cass County
- Measured
- 1.75 in hail
- Coordinates
- 41.400, -95.020
Thunderstorm Wind, Kossuth
- When
- April 26, 6:07 PM CST
- Where
- Kossuth County
- Coordinates
- 43.070, -94.420
Hail, Winnebago
- When
- April 26, 6:08 PM CST
- Where
- Winnebago County
- Measured
- 0.75 in hail
- Coordinates
- 43.470, -93.500
Thunderstorm Wind, Humboldt
- When
- April 26, 6:26 PM CST
- Where
- Humboldt County
- Coordinates
- 42.780, -94.020
Tornado, Winnebago
- When
- April 26, 6:35 PM CST
- Where
- Winnebago County
- Rating
- F1
- Path length
- 8 mi
- Path width
- 10 yd
- Injuries
- 5 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 43.380, -93.950
Thunderstorm Wind, Winnebago
- When
- April 26, 6:45 PM CST
- Where
- Winnebago County
- Injuries
- 1 direct, 0 indirect
- Coordinates
- 43.380, -93.950
Tornado, Greene
- When
- April 26, 7:13 PM CST
- Where
- Greene County
- Rating
- F0
- Path length
- 0.5 mi
- Path width
- 100 yd
- Property damage
- $250
- Coordinates
- 42.050, -94.520
Thunderstorm Wind, Webster
- When
- April 26, 8:30 PM CST
- Where
- Webster County
- Coordinates
- 42.500, -94.180
Thunderstorm Wind, Worth
- When
- April 26, 9:19 PM CST
- Where
- Worth County
- Coordinates
- 43.280, -93.130
Hail, Franklin
- When
- April 26, 9:36 PM CST
- Where
- Franklin County
- Measured
- 0.75 in hail
- Coordinates
- 42.750, -93.200
Thunderstorm Wind, Cerro Gordo
- When
- April 26, 10:00 PM CST
- Where
- Cerro Gordo County
- Measured
- 50 kt (58 mph)
- Coordinates
- 43.150, -93.330
Thunderstorm Wind, Polk
- When
- April 26, 11:53 PM CST
- Where
- Polk County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.530, -93.670
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.
- 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 Oklahoma, April 26, 1984
- Tornadoes and Hail in Minnesota, April 26, 1984
- Tornadoes and Hail in Kansas, April 26, 1984
- Tornado and Damaging Winds in Missouri, April 26, 1984
- Tornado and Hail in South Dakota, April 26, 1984
- Tornado and Hail in Louisiana, April 26, 1984
- Tornado and Hail in Wisconsin, April 26, 1984
- Hail and Damaging Winds in Nebraska, April 26, 1984
- Hail and Damaging Winds in Mississippi, April 26, 1984
- Hail in North Dakota, April 26, 1984
- Damaging Wind in Kentucky, April 26, 1984
- Hail in Arkansas, April 26, 1984
More
Every storm in Iowa in 1984Every state in 1984This day in weather historyThe tornado archive for Iowa, 1984
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: 10013008, 10013009, 10013010, 10013011, 10013869, 10013870, 10013871, 10013872, 10013873, 10013874, 10013875, 10014089, 10014090, 10014091, 10014092, 10014093, 10014094, 10014095, 10014096, 10014097, 10014098, 10014099, 10014100, 10014101, 10014102, 10014103, 10014104, 10014105, 10014106, 10014107, 10014108.