Tornado and Hail in Iowa, August 7, 1994

Name: Tornado and Hail in Iowa, August 7, 1994
Start: 1994-08-07T19:45
End: 1994-08-07T23:45
Location: Iowa

August 7, 1994 · 25 events in 10 counties and zones

16 thunderstorm wind, 8 hail, 1 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 25 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: 2
Property damage: $2.8 million
Crop damage: $598,000
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

16 thunderstorm wind, 8 hail, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Osceola

When: August 7, 7:45 PM CST
Where: Osceola County, Sibley
Measured: 65 kt (75 mph)
Property damage: $500,000
Crop damage: $5,000
Coordinates: 43.379, -95.624 (the zone’s center; the record gives no point)

Thunderstorm Wind, Lyon

When: August 7, 8:00 PM CST
Where: Lyon County, Little
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $500
Coordinates: 43.381, -96.210 (the zone’s center; the record gives no point)

Hail, Osceola

When: August 7, 8:15 PM CST to 8:16 PM CST
Where: Osceola County, Sibley to To
Measured: 0.88 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.379, -95.624 (the zone’s center; the record gives no point)

Tornado, Osceola

When: August 7, 8:28 PM CST
Where: Osceola County, Sibley
Rating: F3
Path length: 4.5 mi
Path width: 75 yd
Injuries: 1 direct, 0 indirect
Property damage: $500,000
Crop damage: $50,000
Coordinates: 43.379, -95.624 (the zone’s center; the record gives no point)

Hail, Winnebago

When: August 7, 9:00 PM CST
Where: Winnebago County, Lake Mills
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.378, -93.734 (the zone’s center; the record gives no point)

Thunderstorm Wind, O'Brien

When: August 7, 9:00 PM CST
Where: O'Brien County, Primghar
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, Cherokee

When: August 7, 9:20 PM CST
Where: Cherokee County, Larrabee
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, Winnebago

When: August 7, 9:20 PM CST
Where: Winnebago County, Thompson
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.378, -93.734 (the zone’s center; the record gives no point)

Hail, Cherokee

When: August 7, 9:25 PM CST
Where: Cherokee County, Cherokee
Measured: 2 in hail
Property damage: $500,000
Crop damage: $50,000
Coordinates: 42.736, -95.624 (the zone’s center; the record gives no point)

Hail, Winnebago

When: August 7, 9:30 PM CST
Where: Winnebago County, Leland
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.378, -93.734 (the zone’s center; the record gives no point)

Hail, Winnebago

When: August 7, 9:43 PM CST
Where: Winnebago County, Woden
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.378, -93.734 (the zone’s center; the record gives no point)

Hail, Hancock

When: August 7, 9:43 PM CST
Where: Hancock County, Woden
Measured: 0.75 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 43.082, -93.734 (the zone’s center; the record gives no point)

Thunderstorm Wind, Woodbury

When: August 7, 10:35 PM CST
Where: Woodbury County, Anthon
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $5,000
Coordinates: 42.390, -96.045 (the zone’s center; the record gives no point)

Thunderstorm Wind, Woodbury

When: August 7, 10:47 PM CST
Where: Woodbury County, Danbury
Measured: 55 kt (63 mph)
Property damage: $50,000
Crop damage: $5,000
Coordinates: 42.390, -96.045 (the zone’s center; the record gives no point)

Thunderstorm Wind, Woodbury

When: August 7, 10:47 PM CST
Where: Woodbury County, Oto
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $5,000
Coordinates: 42.390, -96.045 (the zone’s center; the record gives no point)

Thunderstorm Wind, Woodbury

When: August 7, 10:47 PM CST
Where: Woodbury County, Smithland
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $5,000
Coordinates: 42.390, -96.045 (the zone’s center; the record gives no point)

Thunderstorm Wind, Woodbury

When: August 7, 10:47 PM CST
Where: Woodbury County, Oto
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $5,000
Coordinates: 42.390, -96.045 (the zone’s center; the record gives no point)

Thunderstorm Wind, Monona

When: August 7, 10:55 PM CST
Where: Monona County, Rodney
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $5,000
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Thunderstorm Wind, Monona

When: August 7, 10:55 PM CST
Where: Monona County, Ticonic
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $5,000
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Thunderstorm Wind, Monona

When: August 7, 10:55 PM CST
Where: Monona County, Mapleton
Measured: 75 kt (86 mph)
Property damage: $500,000
Crop damage: $50,000
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Thunderstorm Wind, Monona

When: August 7, 10:56 PM CST
Where: Monona County, Mapleton
Measured: 65 kt (75 mph)
Property damage: $500,000
Crop damage: $50,000
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Thunderstorm Wind, Crawford

When: August 7, 11:15 PM CST
Where: Crawford County, Charter Oak
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $5,000
Coordinates: 42.037, -95.382 (the zone’s center; the record gives no point)

Thunderstorm Wind, Crawford

When: August 7, 11:15 PM CST
Where: Crawford County, Schleswig
Measured: 50 kt (58 mph)
Injuries: 1 direct, 0 indirect
Property damage: $5,000
Crop damage: $500
Coordinates: 42.037, -95.382 (the zone’s center; the record gives no point)

Thunderstorm Wind, Monona

When: August 7, 11:15 PM CST
Where: Monona County, Ute
Measured: 50 kt (58 mph)
Property damage: $5,000
Crop damage: $500
Coordinates: 42.052, -95.960 (the zone’s center; the record gives no point)

Thunderstorm Wind, Harrison

When: August 7, 11:45 PM CST
Where: Harrison County, Dunlap
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 41.683, -95.817 (the zone’s center; the record gives no point)

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

Every storm in Iowa in 1994 Every state in 1994 This day in weather history The tornado archive for Iowa, 1994 Warnings in Iowa, August 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: 10324238, 10324469, 10324239, 10324240, 10323911, 10324097, 10321498, 10323957, 10321539, 10323958, 10323959, 10324490, 10324124, 10324125, 10324126, 10324127, 10324128, 10323884, 10323933, 10323934, 10323935, 10321643, 10321644, 10323936, 10324510.