Iowa, 1990

Tornadoes and Hail in Iowa, June 12, 1990

June 12, 1990 · 25 events in 17 counties and zones

17 thunderstorm wind, 7 tornado, 1 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$805,000
Crop damage
None recorded
Events
25

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

17 thunderstorm wind, 7 tornado, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Crawford

When
June 12, 12:12 AM CST
Where
Crawford County
Measured
50 kt (58 mph)
Coordinates
42.070, -95.600

Tornado, Cass

When
June 12, 2:20 PM CST
Where
Cass County
Rating
F1
Path length
1 mi
Path width
30 yd
Property damage
$250,000
Coordinates
41.450, -94.830

Tornado, Cass

When
June 12, 2:30 PM CST
Where
Cass County
Rating
F0
Path length
0.2 mi
Path width
17 yd
Property damage
$3,000
Coordinates
41.250, -94.780

Thunderstorm Wind, Adair

When
June 12, 2:55 PM CST
Where
Adair County
Measured
50 kt (58 mph)
Coordinates
41.250, -94.680

Thunderstorm Wind, Bremer

When
June 12, 4:00 PM CST
Where
Bremer County
Measured
50 kt (58 mph)
Coordinates
42.780, -92.480

Thunderstorm Wind, Marshall

When
June 12, 4:12 PM CST
Where
Marshall County
Measured
50 kt (58 mph)
Coordinates
42.050, -92.920

Thunderstorm Wind, Bremer

When
June 12, 4:42 PM CST
Where
Bremer County
Measured
52 kt (60 mph)
Coordinates
42.850, -92.100

Thunderstorm Wind, Fayette

When
June 12, 5:00 PM CST
Where
Fayette County
Measured
50 kt (58 mph)
Coordinates
42.930, -92.000

Tornado, Fayette

When
June 12, 5:15 PM CST
Where
Fayette County
Rating
F1
Path length
2 mi
Path width
27 yd
Property damage
$250,000
Coordinates
43.050, -91.900

Tornado, Wright

When
June 12, 6:40 PM CST
Where
Wright County
Rating
F0
Path length
0.4 mi
Path width
17 yd
Property damage
$25,000
Coordinates
42.630, -93.500

Thunderstorm Wind, Mitchell

When
June 12, 6:54 PM CST
Where
Mitchell County
Measured
52 kt (60 mph)
Coordinates
43.280, -92.820

Thunderstorm Wind, Butler

When
June 12, 7:20 PM CST
Where
Butler County
Measured
70 kt (81 mph)
Coordinates
42.750, -92.780

Thunderstorm Wind, Cerro Gordo

When
June 12, 8:10 PM CST
Where
Cerro Gordo County
Measured
50 kt (58 mph)
Coordinates
42.980, -93.180

Thunderstorm Wind, Floyd

When
June 12, 8:30 PM CST
Where
Floyd County
Measured
55 kt (63 mph)
Coordinates
43.150, -93.000

Thunderstorm Wind, Chickasaw

When
June 12, 8:44 PM CST
Where
Chickasaw County
Measured
50 kt (58 mph)
Coordinates
43.070, -92.330

Tornado, Winneshiek

When
June 12, 8:50 PM CST
Where
Winneshiek County
Rating
F0
Path length
0.1 mi
Path width
17 yd
Property damage
$3,000
Coordinates
43.150, -91.950

Thunderstorm Wind, Dickinson

When
June 12, 8:53 PM CST
Where
Dickinson County
Measured
52 kt (60 mph)
Coordinates
43.330, -95.150

Tornado, Fayette

When
June 12, 9:09 PM CST
Where
Fayette County
Rating
F0
Path length
0.2 mi
Path width
20 yd
Property damage
$25,000
Coordinates
42.970, -91.870

Thunderstorm Wind, Dickinson

When
June 12, 9:10 PM CST
Where
Dickinson County
Measured
52 kt (60 mph)
Coordinates
43.430, -95.100

Hail, Howard

When
June 12, 9:20 PM CST
Where
Howard County
Measured
0.75 in hail
Coordinates
43.380, -92.120

Thunderstorm Wind, Winneshiek

When
June 12, 9:30 PM CST
Where
Winneshiek County
Measured
50 kt (58 mph)
Coordinates
43.180, -91.630

Tornado, Winneshiek

When
June 12, 9:48 PM CST
Where
Winneshiek County
Rating
F1
Path length
2 mi
Path width
40 yd
Property damage
$250,000
Coordinates
43.130, -91.750

Thunderstorm Wind, Allamakee

When
June 12, 9:50 PM CST
Where
Allamakee County
Measured
55 kt (63 mph)
Coordinates
43.180, -91.380

Thunderstorm Wind, Chickasaw

When
June 12, 9:57 PM CST
Where
Chickasaw County
Measured
50 kt (58 mph)
Coordinates
43.200, -92.480

Thunderstorm Wind, Monona

When
June 12, 11:50 PM CST
Where
Monona County
Measured
50 kt (58 mph)
Coordinates
42.170, -95.800

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 1990Every state in 1990This day in weather historyThe tornado archive for Iowa, 1990Warnings in Iowa, June 1990

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: 10028477, 10028478, 10028479, 10028480, 10028481, 10028482, 10028483, 10028484, 10028485, 10028486, 10028487, 10028488, 10028489, 10028490, 10028491, 10028492, 10028493, 10028494, 10028495, 10028496, 10028497, 10028498, 10028499, 10028500, 10028501.