Tornadoes and Hail in Iowa, November 9, 1975

Name: Tornadoes and Hail in Iowa, November 9, 1975
Start: 1975-11-09T16:30
End: 1975-11-09T19:45
Location: Iowa

November 9, 1975 · 26 events in 15 counties and zones

14 thunderstorm wind, 11 tornado, 1 hail, 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: 7
Property damage: $4.3 million
Crop damage: None recorded
Events: 26

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

14 thunderstorm wind, 11 tornado, 1 hail. Local standard time, as filed.

Tornado, Tama

When: November 9, 4:30 PM CST
Where: Tama County
Rating: F3
Path length: 39.4 mi
Path width: 33 yd
Property damage: $2.5 million
Coordinates: 42.200, -92.470

Hail, Black Hawk

When: November 9, 4:40 PM CST
Where: Black Hawk County
Measured: 1 in hail
Coordinates: 42.500, -92.350

Tornado, Grundy

When: November 9, 4:45 PM CST
Where: Grundy County
Rating: F1
Path width: 300 yd
Property damage: $250,000
Coordinates: 42.270, -92.780

Thunderstorm Wind, Davis

When: November 9, 5:00 PM CST
Where: Davis County
Coordinates: 40.800, -92.280

Thunderstorm Wind, Fayette

When: November 9, 5:15 PM CST
Where: Fayette County
Coordinates: 42.680, -91.900

Tornado, Van Buren

When: November 9, 5:30 PM CST
Where: Van Buren County
Rating: F2
Path width: 33 yd
Property damage: $250,000
Coordinates: 40.880, -92.120

Thunderstorm Wind, Davis

When: November 9, 5:30 PM CST
Where: Davis County
Coordinates: 40.800, -92.470

Tornado, Jefferson

When: November 9, 5:32 PM CST
Where: Jefferson County
Rating: F2
Path length: 8.8 mi
Path width: 33 yd
Injuries: 3 direct, 0 indirect
Property damage: $250,000
Coordinates: 40.900, -92.100

Thunderstorm Wind, Black Hawk

When: November 9, 5:44 PM CST
Where: Black Hawk County
Measured: 50 kt (58 mph)
Coordinates: 42.550, -92.400

Tornado, Tama

When: November 9, 5:45 PM CST
Where: Tama County
Rating: F1
Path width: 33 yd
Property damage: $250,000
Coordinates: 41.970, -92.720

Thunderstorm Wind, Johnson

When: November 9, 5:48 PM CST
Where: Johnson County
Coordinates: 41.670, -91.550

Thunderstorm Wind, Davis

When: November 9, 6:00 PM CST
Where: Davis County
Coordinates: 40.750, -92.420

Thunderstorm Wind, Van Buren

When: November 9, 6:00 PM CST
Where: Van Buren County
Coordinates: 40.730, -91.950

Thunderstorm Wind, Black Hawk

When: November 9, 6:00 PM CST
Where: Black Hawk County
Coordinates: 42.520, -92.450

Tornado, Bremer

When: November 9, 6:15 PM CST
Where: Bremer County
Rating: F1
Path length: 2.7 mi
Path width: 33 yd
Property damage: $250,000
Coordinates: 42.770, -92.130

Tornado, Washington

When: November 9, 6:15 PM CST
Where: Washington County
Rating: F2
Path width: 33 yd
Property damage: $25,000
Coordinates: 41.250, -91.620

Thunderstorm Wind, Washington

When: November 9, 6:15 PM CST
Where: Washington County
Coordinates: 41.300, -91.700

Thunderstorm Wind, Cedar

When: November 9, 6:30 PM CST
Where: Cedar County
Coordinates: 41.580, -91.270

Tornado, Johnson

When: November 9, 6:35 PM CST
Where: Johnson County
Rating: F1
Path width: 33 yd
Property damage: $25,000
Coordinates: 41.730, -91.430

Tornado, Allamakee

When: November 9, 7:00 PM CST
Where: Allamakee County
Rating: F1
Path width: 33 yd
Property damage: $25,000
Coordinates: 43.220, -91.530

Thunderstorm Wind, Cedar

When: November 9, 7:00 PM CST
Where: Cedar County
Measured: 58 kt (67 mph)
Coordinates: 41.850, -90.930

Thunderstorm Wind, Cedar

When: November 9, 7:12 PM CST
Where: Cedar County
Coordinates: 41.670, -91.350

Tornado, Clinton

When: November 9, 7:15 PM CST
Where: Clinton County
Rating: F2
Path length: 12.3 mi
Path width: 200 yd
Injuries: 2 direct, 0 indirect
Property damage: $250,000
Coordinates: 41.900, -90.880

Tornado, Jackson

When: November 9, 7:30 PM CST
Where: Jackson County
Rating: F2
Path length: 1.3 mi
Path width: 200 yd
Injuries: 2 direct, 0 indirect
Property damage: $250,000
Coordinates: 42.050, -90.720

Thunderstorm Wind, Dubuque

When: November 9, 7:35 PM CST
Where: Dubuque County
Measured: 55 kt (63 mph)
Coordinates: 42.400, -90.720

Thunderstorm Wind, Jackson

When: November 9, 7:45 PM CST
Where: Jackson County
Coordinates: 42.070, -90.430

What these are

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.
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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Iowa in 1975 Every state in 1975 This day in weather history The 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: 10013749, 10013750, 10013751, 10013752, 10013753, 10013754, 10013755, 10013756, 10013757, 10013758, 10013759, 10013760, 10013761, 10013762, 10013763, 10013764, 10013765, 10013766, 10013767, 10013768, 10013769, 10013770, 10013771, 10013772, 10013773, 10013774.