Hail, Harrison
- When
- April 26, 5:20 AM CST
- Where
- Harrison County
- Measured
- 0.75 in hail
- Coordinates
- 41.800, -96.030
Tornadoes and Hail in Iowa, April 26, 1991
13 thunderstorm wind, 6 tornado, 2 hail, 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
- 18
- Property damage
- $8.0 million
- Crop damage
- None recorded
- Events
- 21
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
13 thunderstorm wind, 6 tornado, 2 hail. Local standard time, as filed.
Thunderstorm Wind, Hamilton
- When
- April 26, 10:30 AM CST
- Where
- Hamilton County
- Coordinates
- 42.380, -93.820
Thunderstorm Wind, Hamilton
- When
- April 26, 11:00 AM CST
- Where
- Hamilton County
- Coordinates
- 42.480, -93.550
Thunderstorm Wind, Hamilton
- When
- April 26, 11:00 AM CST
- Where
- Hamilton County
- Coordinates
- 42.300, -93.580
Thunderstorm Wind, Harrison
- When
- April 26, 6:15 PM CST
- Where
- Harrison County
- Coordinates
- 41.630, -95.770
Tornado, Shelby
- When
- April 26, 6:44 PM CST
- Where
- Shelby County
- Rating
- F1
- Path length
- 2 mi
- Path width
- 47 yd
- Property damage
- $3,000
- Coordinates
- 41.730, -95.420
Thunderstorm Wind, Crawford
- When
- April 26, 6:44 PM CST
- Where
- Crawford County
- Coordinates
- 41.880, -95.250
Tornado, Crawford
- When
- April 26, 7:00 PM CST
- Where
- Crawford County
- Rating
- F3
- Path length
- 1.7 mi
- Path width
- 150 yd
- Property damage
- $2.5 million
- Coordinates
- 42.020, -95.350
Thunderstorm Wind, Sioux
- When
- April 26, 7:00 PM CST
- Where
- Sioux County
- Coordinates
- 43.020, -96.050
Tornado, Sac
- When
- April 26, 7:13 PM CST
- Where
- Sac County
- Rating
- F3
- Path length
- 6 mi
- Path width
- 150 yd
- Property damage
- $2.5 million
- Coordinates
- 42.220, -95.200
Hail, Sac
- When
- April 26, 7:20 PM CST
- Where
- Sac County
- Measured
- 1.75 in hail
- Coordinates
- 42.320, -95.050
Thunderstorm Wind, Sac
- When
- April 26, 7:30 PM CST
- Where
- Sac County
- Measured
- 70 kt (81 mph)
- Coordinates
- 42.520, -95.300
Thunderstorm Wind, Buena Vista
- When
- April 26, 7:50 PM CST
- Where
- Buena Vista County
- Coordinates
- 42.780, -95.020
Tornado, Dickinson
- When
- April 26, 8:00 PM CST
- Where
- Dickinson County
- Rating
- F2
- Path length
- 18 mi
- Path width
- 60 yd
- Property damage
- $250,000
- Coordinates
- 43.270, -95.230
Thunderstorm Wind, Clay
- When
- April 26, 8:15 PM CST
- Where
- Clay County
- Coordinates
- 43.020, -95.150
Thunderstorm Wind, Buena Vista
- When
- April 26, 8:30 PM CST
- Where
- Buena Vista County
- Coordinates
- 42.750, -95.070
Thunderstorm Wind, Hancock
- When
- April 26, 9:40 PM CST
- Where
- Hancock County
- Measured
- 87 kt (100 mph)
- Injuries
- 16 direct, 0 indirect
- Coordinates
- 43.100, -93.620
Tornado, Wayne
- When
- April 26, 10:10 PM CST
- Where
- Wayne County
- Rating
- F2
- Path length
- 9 mi
- Path width
- 60 yd
- Property damage
- $250,000
- Coordinates
- 40.700, -93.370
Tornado, Wayne
- When
- April 26, 10:10 PM CST
- Where
- Wayne County
- Rating
- F2
- Path length
- 15 mi
- Path width
- 77 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 40.630, -93.270
Thunderstorm Wind, Poweshiek
- When
- April 26, 11:18 PM CST
- Where
- Poweshiek County
- Coordinates
- 41.750, -92.730
Thunderstorm Wind, Poweshiek
- When
- April 26, 11:30 PM CST
- Where
- Poweshiek County
- Coordinates
- 41.630, -92.600
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 Kansas, April 26, 1991
- Tornadoes and Hail in Oklahoma, April 26, 1991
- Tornadoes and Hail in Texas, April 26, 1991
- Tornadoes and Hail in Nebraska, April 26, 1991
- Damaging Winds in Minnesota, April 26, 1991
- Tornadoes and Hail in Missouri, April 26, 1991
- Tornado and Hail in Louisiana, April 26, 1991
- Hail and Damaging Winds in Arkansas, April 26, 1991
- Hail in South Dakota, April 26, 1991
- Hail in Mississippi, April 26, 1991
More
Every storm in Iowa in 1991Every state in 1991This day in weather historyThe tornado archive for Iowa, 1991Warnings in Iowa, April 1991
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: 10028573, 10028574, 10028575, 10028576, 10028577, 10028578, 10028579, 10028580, 10028581, 10028582, 10028583, 10028584, 10028585, 10028586, 10028587, 10028588, 10028589, 10028590, 10028591, 10028592, 10028593.