Iowa, 1990

Tornadoes and Hail in Iowa, June 28, 1990

June 28, 1990 · NWS DSM · 29 events in 16 counties and zones

18 thunderstorm wind, 6 hail, 5 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
$7.5 million
Crop damage
None recorded
Events
29

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

18 thunderstorm wind, 6 hail, 5 tornado. Local standard time, as filed.

Thunderstorm Wind, Clay

When
June 28, 12:00 AM CST
Where
Clay County
Measured
84 kt (97 mph)
Coordinates
43.170, -95.330

Thunderstorm Wind, O'Brien

When
June 28, 12:15 AM CST
Where
O'Brien County
Measured
50 kt (58 mph)
Coordinates
43.180, -95.480

Hail, Clay

When
June 28, 12:25 AM CST
Where
Clay County
Measured
1 in hail
Coordinates
43.170, -95.330

Thunderstorm Wind, O'Brien

When
June 28, 12:25 AM CST
Where
O'Brien County
Measured
56 kt (64 mph)
Coordinates
43.080, -95.630

Thunderstorm Wind, O'Brien

When
June 28, 12:30 AM CST
Where
O'Brien County
Measured
50 kt (58 mph)
Coordinates
43.180, -95.480

Thunderstorm Wind, Plymouth

When
June 28, 12:30 AM CST
Where
Plymouth County
Measured
50 kt (58 mph)
Coordinates
42.820, -95.980

Thunderstorm Wind, Pocahontas

When
June 28, 12:51 AM CST
Where
Pocahontas County
Measured
50 kt (58 mph)
Coordinates
42.850, -94.850

Hail, Sioux

When
June 28, 2:10 AM CST
Where
Sioux County
Measured
2 in hail
Coordinates
43.180, -96.170

Thunderstorm Wind, Sioux

When
June 28, 2:15 AM CST
Where
Sioux County
Measured
50 kt (58 mph)
Coordinates
43.020, -96.050

Hail, Sioux

When
June 28, 2:20 AM CST
Where
Sioux County
Measured
2.5 in hail
Coordinates
43.180, -96.000

Hail, O'Brien

When
June 28, 2:35 AM CST
Where
O'Brien County
Measured
3 in hail
Coordinates
43.070, -95.770

Thunderstorm Wind, O'Brien

When
June 28, 2:45 AM CST
Where
O'Brien County
Measured
61 kt (70 mph)
Coordinates
42.980, -95.470

Thunderstorm Wind, Guthrie

When
June 28, 4:05 AM CST
Where
Guthrie County
Measured
52 kt (60 mph)
Coordinates
41.700, -94.530

Thunderstorm Wind, Monroe

When
June 28, 6:00 AM CST
Where
Monroe County
Measured
52 kt (60 mph)
Coordinates
41.130, -92.930

Hail, Dallas

When
June 28, 8:07 AM CST
Where
Dallas County
Measured
1.75 in hail
Coordinates
41.620, -94.020

Hail, Kossuth

When
June 28, 10:45 AM CST
Where
Kossuth County
Measured
2.5 in hail
Coordinates
43.280, -94.220

Thunderstorm Wind, Wright

When
June 28, 11:25 AM CST
Where
Wright County
Measured
56 kt (64 mph)
Coordinates
42.850, -93.600

Tornado, Franklin

When
June 28, 12:09 PM CST
Where
Franklin County
Rating
F3
Path length
7 mi
Path width
90 yd
Property damage
$2.5 million
Coordinates
42.630, -93.170

Thunderstorm Wind, Butler

When
June 28, 12:15 PM CST
Where
Butler County
Measured
50 kt (58 mph)
Coordinates
42.580, -92.950

Tornado, Hardin

When
June 28, 12:25 PM CST
Where
Hardin County
Rating
F3
Path length
2 mi
Path width
90 yd
Property damage
$2.5 million
Coordinates
42.550, -93.050

Thunderstorm Wind, Grundy

When
June 28, 12:30 PM CST
Where
Grundy County
Measured
50 kt (58 mph)
Coordinates
42.480, -92.920

Thunderstorm Wind, Franklin

When
June 28, 12:30 PM CST
Where
Franklin County
Measured
50 kt (58 mph)
Coordinates
42.750, -93.280

Tornado, Hardin

When
June 28, 12:35 PM CST
Where
Hardin County
Rating
F0
Path length
0.1 mi
Path width
17 yd
Property damage
$25,000
Coordinates
42.500, -93.120

Thunderstorm Wind, Grundy

When
June 28, 12:50 PM CST
Where
Grundy County
Measured
54 kt (62 mph)
Coordinates
42.230, -92.880

Thunderstorm Wind, Grundy

When
June 28, 1:10 PM CST
Where
Grundy County
Measured
50 kt (58 mph)
Coordinates
42.320, -92.670

Tornado, Grundy

When
June 28, 1:15 PM CST
Where
Grundy County
Rating
F1
Path length
5.5 mi
Path width
30 yd
Property damage
$2.5 million
Coordinates
42.330, -92.770

Tornado, Benton

When
June 28, 1:47 PM CST
Where
Benton County
Rating
F0
Path length
0.1 mi
Path width
20 yd
Property damage
$3,000
Coordinates
42.000, -92.100

Thunderstorm Wind, Wright

When
June 28, 10:34 PM CST
Where
Wright County
Measured
51 kt (59 mph)
Coordinates
42.730, -93.730

Thunderstorm Wind, Allamakee

When
June 28, 11:05 PM CST
Where
Allamakee County
Measured
52 kt (60 mph)
Coordinates
43.480, -91.550

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.
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.

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: 10025185, 10025186, 10025187, 10025188, 10026042, 10026043, 10026044, 10026045, 10026257, 10026258, 10026259, 10026260, 10026261, 10026262, 10026263, 10026264, 10026265, 10026266, 10026267, 10026268, 10026269, 10026270, 10026271, 10026272, 10026273, 10026274, 10026275, 10026276, 10026277.