Iowa, 1975

Tornado and Hail in Iowa, August 24, 1975

August 24, 1975 · 25 events in 22 counties and zones

23 thunderstorm wind, 1 hail, 1 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
$25,000
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

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

Thunderstorm Wind,

When
August 24, 2:32 AM CST
Where
County
Measured
51 kt (59 mph)
Coordinates
42.400, -96.380

Thunderstorm Wind, Emmet

When
August 24, 5:30 AM CST
Where
Emmet County
Coordinates
43.420, -94.850

Thunderstorm Wind, Worth

When
August 24, 7:15 PM CST
Where
Worth County
Coordinates
43.450, -93.220

Thunderstorm Wind, Winnebago

When
August 24, 7:15 PM CST
Where
Winnebago County
Coordinates
43.330, -93.630

Thunderstorm Wind, Cerro Gordo

When
August 24, 7:20 PM CST
Where
Cerro Gordo County
Coordinates
43.150, -93.200

Thunderstorm Wind, Howard

When
August 24, 7:20 PM CST
Where
Howard County
Coordinates
43.270, -92.300

Hail, Pottawattamie

When
August 24, 7:30 PM CST
Where
Pottawattamie County
Measured
1.75 in hail
Coordinates
41.230, -95.620

Thunderstorm Wind, Pottawattamie

When
August 24, 7:30 PM CST
Where
Pottawattamie County
Coordinates
41.270, -95.870

Thunderstorm Wind, Allamakee

When
August 24, 7:30 PM CST
Where
Allamakee County
Coordinates
43.180, -91.380

Thunderstorm Wind, Webster

When
August 24, 7:35 PM CST
Where
Webster County
Coordinates
42.500, -94.180

Thunderstorm Wind, Wright

When
August 24, 7:35 PM CST
Where
Wright County
Coordinates
42.730, -93.730

Thunderstorm Wind, Audubon

When
August 24, 7:45 PM CST
Where
Audubon County
Coordinates
41.600, -95.070

Thunderstorm Wind, Hamilton

When
August 24, 7:50 PM CST
Where
Hamilton County
Coordinates
42.400, -93.730

Thunderstorm Wind, Clayton

When
August 24, 7:50 PM CST
Where
Clayton County
Coordinates
42.850, -91.400

Thunderstorm Wind, Cass

When
August 24, 7:50 PM CST
Where
Cass County
Coordinates
41.450, -95.120

Thunderstorm Wind, Pottawattamie

When
August 24, 8:00 PM CST
Where
Pottawattamie County
Coordinates
41.480, -95.200

Thunderstorm Wind, Audubon

When
August 24, 8:15 PM CST
Where
Audubon County
Coordinates
41.720, -94.930

Thunderstorm Wind, Black Hawk

When
August 24, 8:15 PM CST
Where
Black Hawk County
Coordinates
42.550, -92.400

Thunderstorm Wind, Hardin

When
August 24, 8:15 PM CST
Where
Hardin County
Coordinates
42.370, -93.100

Thunderstorm Wind, Butler

When
August 24, 8:30 PM CST
Where
Butler County
Coordinates
42.750, -92.780

Thunderstorm Wind, Fayette

When
August 24, 8:40 PM CST
Where
Fayette County
Coordinates
42.830, -91.800

Tornado, Floyd

When
August 24, 8:45 PM CST
Where
Floyd County
Rating
F0
Path length
0.2 mi
Path width
33 yd
Property damage
$25,000
Coordinates
43.150, -92.950

Thunderstorm Wind, Delaware

When
August 24, 8:45 PM CST
Where
Delaware County
Coordinates
42.480, -91.450

Thunderstorm Wind, Buchanan

When
August 24, 10:20 PM CST
Where
Buchanan County
Coordinates
42.470, -91.880

Thunderstorm Wind, Polk

When
August 24, 10:35 PM CST
Where
Polk County
Coordinates
41.600, -93.620

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 1975Every state in 1975This day in weather historyThe tornado archive for Iowa, 1975

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: 10012655, 10012656, 10012657, 10012658, 10012659, 10012660, 10013515, 10013516, 10013517, 10013518, 10013519, 10013734, 10013735, 10013736, 10013737, 10013738, 10013739, 10013740, 10013741, 10013742, 10013743, 10013744, 10013745, 10013746, 10013747.