Iowa, 1974

Tornadoes and Hail in Iowa, June 3, 1974

June 3, 1974 · 8 events in 5 counties and zones

4 hail, 2 tornado, 2 thunderstorm wind, 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
0
Property damage
$25,000
Crop damage
None recorded
Events
8

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

4 hail, 2 tornado, 2 thunderstorm wind. Local standard time, as filed.

Hail, Floyd

When
June 3, 3:21 PM CST
Where
Floyd County
Measured
1 in hail
Coordinates
43.070, -92.700

Hail, Hancock

When
June 3, 4:49 PM CST
Where
Hancock County
Measured
1 in hail
Coordinates
43.100, -93.620

Tornado, Mitchell

When
June 3, 5:35 PM CST
Where
Mitchell County
Rating
F1
Path length
3 mi
Path width
200 yd
Property damage
$25,000
Coordinates
43.280, -92.730

Hail, Humboldt

When
June 3, 6:00 PM CST
Where
Humboldt County
Measured
0.75 in hail
Coordinates
42.870, -94.180

Tornado, Franklin

When
June 3, 7:00 PM CST
Where
Franklin County
Rating
F0
Path width
33 yd
Coordinates
42.770, -93.200

Hail, Franklin

When
June 3, 7:00 PM CST
Where
Franklin County
Measured
1 in hail
Coordinates
42.780, -93.250

Thunderstorm Wind, Franklin

When
June 3, 7:00 PM CST
Where
Franklin County
Coordinates
42.780, -93.470

Thunderstorm Wind, Franklin

When
June 3, 7:00 PM CST
Where
Franklin County
Coordinates
42.780, -93.470

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

More

Every storm in Iowa in 1974Every state in 1974This day in weather historyThe tornado archive for Iowa, 1974

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: 10015647, 10015648, 10015649, 10015650, 10012017, 10012018, 10012019, 10012236.