Iowa, 1980

Tornado and Hail in Iowa, June 27, 1980

June 27, 1980 · NWS T · 15 events in 12 counties and zones

9 thunderstorm wind, 5 hail, 1 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$25,000
Crop damage
None recorded
Events
15

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

9 thunderstorm wind, 5 hail, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Woodbury

When
June 27, 1:10 AM CST
Where
Woodbury County
Measured
53 kt (61 mph)
Coordinates
42.400, -96.380

Thunderstorm Wind, Cherokee

When
June 27, 1:45 AM CST
Where
Cherokee County
Measured
52 kt (60 mph)
Coordinates
42.750, -95.550

Tornado, Hancock

When
June 27, 6:30 PM CST
Where
Hancock County
Rating
F1
Path length
0.1 mi
Path width
20 yd
Property damage
$25,000
Coordinates
43.180, -93.600

Thunderstorm Wind, Mitchell

When
June 27, 6:34 PM CST
Where
Mitchell County
Measured
52 kt (60 mph)
Coordinates
43.280, -92.820

Hail, Cerro Gordo

When
June 27, 7:10 PM CST
Where
Cerro Gordo County
Measured
1.75 in hail
Coordinates
43.150, -93.230

Hail, Floyd

When
June 27, 7:20 PM CST
Where
Floyd County
Measured
1.75 in hail
Coordinates
42.970, -92.870

Thunderstorm Wind, Floyd

When
June 27, 7:20 PM CST
Where
Floyd County
Measured
61 kt (70 mph)
Coordinates
42.970, -92.870

Thunderstorm Wind, Chickasaw

When
June 27, 7:30 PM CST
Where
Chickasaw County
Measured
56 kt (64 mph)
Coordinates
43.070, -92.470

Thunderstorm Wind, Bremer

When
June 27, 8:10 PM CST
Where
Bremer County
Measured
52 kt (60 mph)
Coordinates
42.730, -92.480

Hail, Butler

When
June 27, 8:11 PM CST
Where
Butler County
Measured
0.75 in hail
Coordinates
42.750, -92.970

Hail, Bremer

When
June 27, 8:16 PM CST
Where
Bremer County
Measured
0.75 in hail
Coordinates
42.850, -92.100

Thunderstorm Wind, Dubuque

When
June 27, 9:00 PM CST
Where
Dubuque County
Measured
52 kt (60 mph)
Coordinates
42.480, -91.120

Hail, Black Hawk

When
June 27, 9:35 PM CST
Where
Black Hawk County
Measured
0.75 in hail
Coordinates
42.630, -92.550

Thunderstorm Wind, Black Hawk

When
June 27, 9:35 PM CST
Where
Black Hawk County
Measured
52 kt (60 mph)
Coordinates
42.630, -92.550

Thunderstorm Wind, Cedar

When
June 27, 10:20 PM CST
Where
Cedar County
Measured
56 kt (64 mph)
Coordinates
41.850, -90.930

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Iowa in 1980Every state in 1980This day in weather historyThe tornado archive for Iowa, 1980

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: 10011441, 10011442, 10011443, 10011444, 10011445, 10011446, 10011447, 10011448, 10011449, 10011450, 10012306, 10012307, 10012308, 10012524, 10012525.