Iowa, 1976

Tornadoes and Hail in Iowa, June 13, 1976

June 13, 1976 · 20 events in 13 counties and zones

10 tornado, 7 thunderstorm wind, 3 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

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The toll

Deaths
0
Injuries
9
Property damage
$26 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 tornado, 7 thunderstorm wind, 3 hail. Local standard time, as filed.

Tornado, Dallas

When
June 13, 1:58 PM CST
Where
Dallas County
Rating
F3
Path length
8.8 mi
Path width
100 yd
Property damage
$250,000
Coordinates
41.720, -94.100

Tornado, Boone

When
June 13, 2:10 PM CST
Where
Boone County
Rating
F5
Path length
14 mi
Path width
880 yd
Injuries
9 direct, 0 indirect
Property damage
$25 million
Coordinates
41.930, -93.870

Tornado, Boone

When
June 13, 2:15 PM CST
Where
Boone County
Rating
F3
Path length
9.1 mi
Path width
33 yd
Property damage
$250,000
Coordinates
41.850, -94.070

Tornado, Boone

When
June 13, 2:25 PM CST
Where
Boone County
Rating
F2
Path length
4.5 mi
Path width
100 yd
Coordinates
42.030, -93.800

Tornado, Story

When
June 13, 2:30 PM CST
Where
Story County
Rating
F5
Path length
7.3 mi
Path width
880 yd
Property damage
$250
Coordinates
42.100, -93.700

Tornado, Boone

When
June 13, 2:40 PM CST
Where
Boone County
Rating
F3
Path width
333 yd
Property damage
$25,000
Coordinates
42.080, -93.730

Tornado, Story

When
June 13, 2:45 PM CST
Where
Story County
Rating
F2
Path length
1.3 mi
Path width
200 yd
Property damage
$25,000
Coordinates
42.120, -93.650

Tornado, Cass

When
June 13, 2:45 PM CST
Where
Cass County
Rating
F2
Path length
8.5 mi
Path width
100 yd
Property damage
$25,000
Coordinates
41.420, -95.130

Tornado, Audubon

When
June 13, 3:00 PM CST
Where
Audubon County
Rating
F2
Path length
11.5 mi
Path width
33 yd
Property damage
$25,000
Coordinates
41.500, -95.000

Hail, Shelby

When
June 13, 3:00 PM CST
Where
Shelby County
Measured
1.75 in hail
Coordinates
41.570, -95.080

Thunderstorm Wind, Audubon

When
June 13, 3:00 PM CST
Where
Audubon County
Measured
60 kt (69 mph)
Coordinates
41.700, -95.020

Hail, Wright

When
June 13, 3:05 PM CST
Where
Wright County
Measured
1.75 in hail
Coordinates
42.850, -93.600

Thunderstorm Wind, Cerro Gordo

When
June 13, 3:41 PM CST
Where
Cerro Gordo County
Measured
54 kt (62 mph)
Coordinates
43.150, -93.330

Tornado, Black Hawk

When
June 13, 4:00 PM CST
Where
Black Hawk County
Rating
F2
Path length
14 mi
Path width
100 yd
Property damage
$25,000
Coordinates
42.420, -92.270

Thunderstorm Wind, Cass

When
June 13, 4:30 PM CST
Where
Cass County
Measured
61 kt (70 mph)
Coordinates
41.400, -95.020

Thunderstorm Wind, Black Hawk

When
June 13, 5:02 PM CST
Where
Black Hawk County
Measured
50 kt (58 mph)
Coordinates
42.550, -92.400

Thunderstorm Wind, Pottawattamie

When
June 13, 5:15 PM CST
Where
Pottawattamie County
Coordinates
41.470, -95.550

Thunderstorm Wind, Clayton

When
June 13, 7:00 PM CST
Where
Clayton County
Coordinates
42.850, -91.400

Thunderstorm Wind, Wapello

When
June 13, 8:14 PM CST
Where
Wapello County
Measured
66 kt (76 mph)
Coordinates
41.100, -92.450

Hail, Montgomery

When
June 13, 9:30 PM CST
Where
Montgomery County
Measured
1 in hail
Coordinates
41.020, -95.230

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.
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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Iowa in 1976Every state in 1976This day in weather historyThe tornado archive for Iowa, 1976

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: 10014923, 10014924, 10014925, 10014926, 10014927, 10014928, 10014929, 10014930, 10014931, 10014932, 10014933, 10014934, 10014935, 10014936, 10014937, 10011304, 10011305, 10011306, 10011307, 10011308.