Tornadoes and Hail in Iowa, June 12, 1994

Name: Tornadoes and Hail in Iowa, June 12, 1994
Start: 1994-06-12T04:36
End: 1994-06-12T23:37
Location: Iowa

June 12, 1994 · 63 events in 29 counties and zones

39 thunderstorm wind, 19 hail, 5 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 62 filed by county or forecast zone are drawn at its center, in a lighter ring. 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: $10 million
Crop damage: $1.0 million
Events: 63

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

39 thunderstorm wind, 19 hail, 5 tornado. Local standard time, as filed.

Hail, Monona

When: June 12, 4:36 AM CST
Where: Monona County, Ute
Measured: 0.88 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Hail, Monona

When: June 12, 4:43 AM CST
Where: Monona County, Ute
Measured: 0.88 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Thunderstorm Wind, Dickinson

When: June 12, 2:45 PM CST
Where: Dickinson County, Spirit Lake
Measured: 61 kt (70 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Cerro Gordo

When: June 12, 4:26 PM CST
Where: Cerro Gordo County, Mason City
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $500
Coordinates: 43.082, -93.261 (the zone’s center; the record gives no point)

Thunderstorm Wind, Hancock

When: June 12, 4:30 PM CST
Where: Hancock County, Garner
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.082, -93.734 (the zone’s center; the record gives no point)

Thunderstorm Wind, Floyd

When: June 12, 4:51 PM CST
Where: Floyd County, Nora Springs
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.060, -92.789 (the zone’s center; the record gives no point)

Tornado, Lyon

When: June 12, 5:00 PM CST
Where: Lyon County, Rock Rapids
Rating: F0
Path length: 0.1 mi
Path width: 20 yd
Property damage: $500
Crop damage: $50
Coordinates: 43.381, -96.210 (the zone’s center; the record gives no point)

Thunderstorm Wind, Lyon

When: June 12, 5:18 PM CST
Where: Lyon County, Rock Rapids
Measured: 70 kt (81 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.381, -96.210 (the zone’s center; the record gives no point)

Hail, Lyon

When: June 12, 5:25 PM CST
Where: Lyon County, Little Rock
Measured: 2.5 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 43.381, -96.210 (the zone’s center; the record gives no point)

Tornado, Osceola

When: June 12, 5:58 PM CST
Where: Osceola County, Harris
Rating: F0
Path length: 0.1 mi
Path width: 25 yd
Property damage: $5,000
Crop damage: $50
Coordinates: 43.450, -95.450

Tornado, Dickinson

When: June 12, 6:06 PM CST
Where: Dickinson County, Lake Park
Rating: F0
Path length: 0.5 mi
Path width: 25 yd
Property damage: $5,000
Crop damage: $50
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Dickinson

When: June 12, 6:13 PM CST
Where: Dickinson County, Spirit Lake
Measured: 70 kt (81 mph)
Property damage: $50,000
Crop damage: $5,000
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Dickinson

When: June 12, 6:30 PM CST
Where: Dickinson County, Wahpeton
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Hail, Lyon

When: June 12, 6:30 PM CST
Where: Lyon County, Little Rock
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 43.381, -96.210 (the zone’s center; the record gives no point)

Thunderstorm Wind, Dickinson

When: June 12, 6:35 PM CST
Where: Dickinson County, Spirit Lake
Measured: 70 kt (81 mph)
Property damage: $500,000
Crop damage: $5,000
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Dickinson

When: June 12, 6:40 PM CST
Where: Dickinson County, Milford
Measured: 52 kt (60 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Hail, Dickinson

When: June 12, 6:45 PM CST
Where: Dickinson County, West Okoboji
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Hail, Clay

When: June 12, 7:10 PM CST
Where: Clay County, Spencer
Measured: 0.88 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.083, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Palo Alto

When: June 12, 7:10 PM CST
Where: Palo Alto County, Mallard
Measured: 65 kt (75 mph)
Property damage: $500,000
Crop damage: $500
Coordinates: 43.082, -94.678 (the zone’s center; the record gives no point)

Hail, O'Brien

When: June 12, 7:15 PM CST
Where: O'Brien County, Sheldon
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.084, -95.625 (the zone’s center; the record gives no point)

Thunderstorm Wind, Palo Alto

When: June 12, 7:15 PM CST
Where: Palo Alto County, Mallard
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $50
Coordinates: 43.082, -94.678 (the zone’s center; the record gives no point)

Thunderstorm Wind, Palo Alto

When: June 12, 7:20 PM CST
Where: Palo Alto County, Mallard to Ruthven to 3 E Emmets
Measured: 65 kt (75 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.082, -94.678 (the zone’s center; the record gives no point)

Thunderstorm Wind, O'Brien

When: June 12, 7:30 PM CST
Where: O'Brien County, Sanborn
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $500
Coordinates: 43.084, -95.625 (the zone’s center; the record gives no point)

Hail, Plymouth

When: June 12, 7:35 PM CST
Where: Plymouth County, Struble
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 42.738, -96.214 (the zone’s center; the record gives no point)

Mostly F1 strength, intermittent path at beginning and end.

Hail, Plymouth

When: June 12, 7:38 PM CST
Where: Plymouth County, Remsen
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 42.738, -96.214 (the zone’s center; the record gives no point)

Mostly F1 strength, intermittent path at beginning and end.

Thunderstorm Wind, Plymouth

When: June 12, 7:38 PM CST
Where: Plymouth County, Remsen to Brunsville to 2 E Rem
Measured: 57 kt (66 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 42.738, -96.214 (the zone’s center; the record gives no point)

Mostly F1 strength, intermittent path at beginning and end.

Thunderstorm Wind, Sioux

When: June 12, 7:40 PM CST
Where: Sioux County, Ireton
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 43.083, -96.178 (the zone’s center; the record gives no point)

Tornado, Palo Alto

When: June 12, 7:41 PM CST
Where: Palo Alto County
Rating: F2
Path length: 13 mi
Path width: 85 yd
Property damage: $500,000
Crop damage: $50,000
Coordinates: 43.082, -94.678 (the zone’s center; the record gives no point)

Hail, Plymouth

When: June 12, 7:47 PM CST
Where: Plymouth County, Le Mars
Measured: 1.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 42.738, -96.214 (the zone’s center; the record gives no point)

Thunderstorm Wind, Plymouth

When: June 12, 7:49 PM CST
Where: Plymouth County, Le Mars
Measured: 75 kt (86 mph)
Property damage: $500,000
Crop damage: $5,000
Coordinates: 42.738, -96.214 (the zone’s center; the record gives no point)

Thunderstorm Wind, Cherokee

When: June 12, 7:57 PM CST
Where: Cherokee County, Marcus
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 42.736, -95.624 (the zone’s center; the record gives no point)

Thunderstorm Wind, Monona

When: June 12, 8:00 PM CST
Where: Monona County, Ute
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Thunderstorm Wind, Winnebago

When: June 12, 8:00 PM CST
Where: Winnebago County, Forest City
Measured: 61 kt (70 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.378, -93.734 (the zone’s center; the record gives no point)

Hail, Kossuth

When: June 12, 8:00 PM CST
Where: Kossuth County, Fenton
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 43.204, -94.207 (the zone’s center; the record gives no point)

Hail, Cherokee

When: June 12, 8:01 PM CST
Where: Cherokee County, Marcus
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 42.736, -95.624 (the zone’s center; the record gives no point)

Tornado, Plymouth

When: June 12, 8:04 PM CST
Where: Plymouth County
Rating: F2
Path length: 17.5 mi
Path width: 370 yd
Property damage: $5.0 million
Crop damage: $50,000
Coordinates: 42.738, -96.214 (the zone’s center; the record gives no point)

Mostly F1 strength, intermittent path at beginning and end.

Hail, Cherokee

When: June 12, 8:10 PM CST
Where: Cherokee County, Marcus
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 42.736, -95.624 (the zone’s center; the record gives no point)

Hail, Cherokee

When: June 12, 8:13 PM CST
Where: Cherokee County, Cherokee
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 42.736, -95.624 (the zone’s center; the record gives no point)

Hail, Cherokee

When: June 12, 8:20 PM CST
Where: Cherokee County, Cherokee
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 42.736, -95.624 (the zone’s center; the record gives no point)

Thunderstorm Wind, Buena Vista

When: June 12, 8:25 PM CST
Where: Buena Vista County, Alta
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 42.736, -95.151 (the zone’s center; the record gives no point)

Hail, Buena Vista

When: June 12, 8:33 PM CST
Where: Buena Vista County, Alta
Measured: 1.75 in hail
Property damage: $50,000
Crop damage: $50,000
Coordinates: 42.736, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Hancock

When: June 12, 8:34 PM CST
Where: Hancock County, Garner
Measured: 65 kt (75 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.082, -93.734 (the zone’s center; the record gives no point)

Thunderstorm Wind, Crawford

When: June 12, 8:35 PM CST
Where: Crawford County, Denison
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 42.037, -95.382 (the zone’s center; the record gives no point)

Thunderstorm Wind, Humboldt

When: June 12, 8:45 PM CST
Where: Humboldt County, Bradgate
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $500
Coordinates: 42.777, -94.207 (the zone’s center; the record gives no point)

Thunderstorm Wind, Cerro Gordo

When: June 12, 8:47 PM CST
Where: Cerro Gordo County, Mason City Arpt
Measured: 81 kt (93 mph)
Property damage: $500,000
Crop damage: $500
Coordinates: 43.082, -93.261 (the zone’s center; the record gives no point)

Thunderstorm Wind, Cerro Gordo

When: June 12, 8:55 PM CST
Where: Cerro Gordo County, Mason City
Measured: 52 kt (60 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 43.082, -93.261 (the zone’s center; the record gives no point)

Thunderstorm Wind, Cerro Gordo

When: June 12, 8:58 PM CST
Where: Cerro Gordo County, Mason City Arpt
Measured: 52 kt (60 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 43.082, -93.261 (the zone’s center; the record gives no point)

Hail, Woodbury

When: June 12, 9:04 PM CST
Where: Woodbury County, Pierson
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $5,000
Coordinates: 42.390, -96.045 (the zone’s center; the record gives no point)

Hail, Wright

When: June 12, 9:08 PM CST
Where: Wright County, Galt
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 42.733, -93.735 (the zone’s center; the record gives no point)

Thunderstorm Wind, Hamilton

When: June 12, 9:30 PM CST
Where: Hamilton County, Jewell
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 42.384, -93.707 (the zone’s center; the record gives no point)

Thunderstorm Wind, Grundy

When: June 12, 9:45 PM CST
Where: Grundy County, Conrad
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 42.402, -92.791 (the zone’s center; the record gives no point)

Thunderstorm Wind, Bremer

When: June 12, 10:05 PM CST
Where: Bremer County, Sumner
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 42.775, -92.318 (the zone’s center; the record gives no point)

Thunderstorm Wind, Bremer

When: June 12, 10:10 PM CST
Where: Bremer County, Sumner
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 42.775, -92.318 (the zone’s center; the record gives no point)

Thunderstorm Wind, Chickasaw

When: June 12, 10:15 PM CST
Where: Chickasaw County, Fredericksburg
Measured: 69 kt (79 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 43.060, -92.318 (the zone’s center; the record gives no point)

Thunderstorm Wind, Bremer

When: June 12, 10:15 PM CST
Where: Bremer County, Sumner
Measured: 69 kt (79 mph)
Property damage: $500,000
Crop damage: $500
Coordinates: 42.775, -92.318 (the zone’s center; the record gives no point)

Thunderstorm Wind, Fayette

When: June 12, 10:35 PM CST
Where: Fayette County, Hawkeye
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 42.863, -91.844 (the zone’s center; the record gives no point)

Thunderstorm Wind, Fayette

When: June 12, 10:40 PM CST
Where: Fayette County, Hawkeye
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 42.863, -91.844 (the zone’s center; the record gives no point)

Hail, Carroll

When: June 12, 10:45 PM CST
Where: Carroll County, Carroll
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 42.036, -94.861 (the zone’s center; the record gives no point)

Thunderstorm Wind, Montgomery

When: June 12, 11:02 PM CST
Where: Montgomery County, Grant
Measured: 69 kt (79 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 41.030, -95.156 (the zone’s center; the record gives no point)

Thunderstorm Wind, Benton

When: June 12, 11:08 PM CST
Where: Benton County, Vinton
Measured: 50 kt (58 mph)
Property damage: $5,000
Coordinates: 42.080, -92.066 (the zone’s center; the record gives no point)

Thunderstorm Wind, Clayton

When: June 12, 11:16 PM CST
Where: Clayton County, Farmersburg
Measured: 75 kt (86 mph)
Property damage: $500,000
Crop damage: $5,000
Coordinates: 43.083, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Clayton

When: June 12, 11:22 PM CST
Where: Clayton County, Elkader
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 43.083, -95.151 (the zone’s center; the record gives no point)

Thunderstorm Wind, Clayton

When: June 12, 11:37 PM CST
Where: Clayton County, Edgewood
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 43.083, -95.151 (the zone’s center; the record gives no point)

What these are

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.
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

Every storm in Iowa in 1994 Every state in 1994 This day in weather history The tornado archive for Iowa, 1994 Warnings in Iowa, June 1994

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: 10323876, 10323877, 10321712, 10321468, 10324482, 10321609, 10324365, 10324466, 10324467, 10324235, 10321713, 10321714, 10321715, 10324468, 10321716, 10321717, 10321718, 10321528, 10324246, 10324090, 10324247, 10324248, 10324091, 10323040, 10323041, 10323042, 10324175, 10324249, 10323043, 10323044, 10321491, 10323878, 10323908, 10324374, 10321492, 10323045, 10321493, 10321494, 10321495, 10322065, and more.