Hail and Damaging Winds in Iowa, August 25, 1994

Name: Hail and Damaging Winds in Iowa, August 25, 1994
Start: 1994-08-25T10:15
End: 1994-08-25T16:33
Location: Iowa

August 25, 1994 · 6 events in 5 counties and zones

5 thunderstorm wind, 1 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 6 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

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The toll

Deaths: 0
Injuries: 0
Property damage: $615,000
Crop damage: $106,000
Events: 6

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

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

Thunderstorm Wind, Keokuk

When: August 25, 10:15 AM CST
Where: Keokuk County, Sigourney
Measured: 50 kt (58 mph)
Property damage: $50,000
Crop damage: $500
Coordinates: 41.337, -92.179 (the zone’s center; the record gives no point)

Thunderstorm Wind, Floyd

When: August 25, 11:47 AM CST
Where: Floyd County, Rockford
Measured: 65 kt (75 mph)
Property damage: $500,000
Crop damage: $50,000
Coordinates: 43.060, -92.789 (the zone’s center; the record gives no point)

Thunderstorm Wind, Butler

When: August 25, 12:30 PM CST
Where: Butler County, Allison
Measured: 52 kt (60 mph)
Property damage: $5,000
Crop damage: $500
Coordinates: 42.732, -92.790 (the zone’s center; the record gives no point)

Thunderstorm Wind, Black Hawk

When: August 25, 1:53 PM CST
Where: Black Hawk County, Waterloo
Measured: 52 kt (60 mph)
Property damage: $5,000
Crop damage: $50
Coordinates: 42.470, -92.309 (the zone’s center; the record gives no point)

Hail, Black Hawk

When: August 25, 2:10 PM CST
Where: Black Hawk County, Evansdale
Measured: 1 in hail
Property damage: $5,000
Crop damage: $50,000
Coordinates: 42.470, -92.309 (the zone’s center; the record gives no point)

Thunderstorm Wind, Kossuth

When: August 25, 4:33 PM CST
Where: Kossuth County, Algona
Measured: 65 kt (75 mph)
Property damage: $50,000
Crop damage: $5,000
Coordinates: 43.204, -94.207 (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.

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 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: 10324347, 10321613, 10322072, 10321415, 10321416, 10324356.