County Hazards

Storm events on record through

Tornado events in Woodbury County, Iowa The tornado events on record, by date and by year

This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).

NCEI has 60 tornado events on record for Woodbury County, Iowa, from 1950 through 30 Jun 2026.

The newest tornado event on record is on 22 May 2026.

From 2016 through 2025, NCEI has 5 tornado events on record for the county.

The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.

The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

Date of the data: NCEI storm events through . Event types on this page: Tornado.

Newest tornado events on record

TornadoEF unrated

2 miles NNE of OTO

TornadoEF1

3 miles NE of SERGEANT BLUFF

TornadoEF0

3 miles S of SERGEANT BLUFF

TornadoEF unrated

3 miles S of SERGEANT BLUFF

TornadoEF1

4 miles E of MOVILLE. Damage estimate: $200 thousand

TornadoEF unrated

3 miles SSW of SALIX

TornadoEF2

1 mile NE of BRONSON. Damage estimate: $500 thousand

TornadoEF1

3 miles NNW of SALIX. Damage estimate: $250 thousand

TornadoEF1

2 miles WSW of SLOAN. Damage estimate: $20 thousand

TornadoEF2

3 miles WSW of SLOAN. Damage estimate: $400 thousand

TornadoEF4

2 miles SW of CLIMBING HILL. Damage estimate: $2.0 million

TornadoEF0

4 miles W of LEEDS

TornadoEF0

5 miles W of PIERSON

TornadoF0

1 mile SE of BRONSON. Damage estimate: $5 thousand

TornadoF0

1 mile E of SIOUX CITY. Damage estimate: $100 thousand

TornadoF0

1 mile E of ANTHON. Damage estimate: $10 thousand

TornadoF0

3 miles NW of SMITHLAND

TornadoF0

3 miles NW of HORNICK

TornadoF0

3 miles NW of HORNICK

TornadoF0

4 miles SE of MOVILLE

TornadoF0

At CORRECTIONVILLE

TornadoF0

3 miles NE of SERGEANT BLUFF

TornadoF0

2 miles W of CLIMBING HILL

TornadoF0

5 miles N of DANBURY

TornadoF0

2 miles W of SALIX

A place is the text of the NCEI record: a distance and a direction from a reference place. The site does not show a place text that names a private property or reads as a person. A tornado before February 2007 has a rating on the Fujita scale (F). A later tornado has a rating on the Enhanced Fujita scale (EF).

Tornado events by year

Tornado events on record for Woodbury County by year, 1950 to 2026
DecadeYear that ends in 0Year that ends in 1Year that ends in 2Year that ends in 3Year that ends in 4Year that ends in 5Year that ends in 6Year that ends in 7Year that ends in 8Year that ends in 9All
1950s00010000102
1960s00012000227
1970s012201020210
1980s00013011017
1990s00002100407
2000s041340202016
2010s00030000003
2020s0410003 (part of the year)8

A darker cell has a larger count. The number is in each cell.

Tornado events are on record from 1950. The year 2026 has the events through 30 Jun 2026 only.

By month, all years

  1. Jan0 events
  2. Feb0 events
  3. Mar2 events
  4. Apr4 events
  5. May12 events
  6. Jun16 events
  7. Jul11 events
  8. Aug5 events
  9. Sep3 events
  10. Oct3 events
  11. Nov0 events
  12. Dec4 events

Magnitudes on record

Tornado events on record for Woodbury County by rating
RatingWind estimate of the scaleEvents
EF0 or F065 to 85 mph (EF0)28
EF1 or F186 to 110 mph (EF1)12
EF2 or F2111 to 135 mph (EF2)8
EF3 or F3136 to 165 mph (EF3)3
EF4 or F4166 to 200 mph (EF4)2
EF5 or F5more than 200 mph (EF5)0
Unratedno rating on record7

Tornadoes may contain multiple segments. A tornado that crosses a county line or state line is considered a separate segment.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

The Enhanced F-scale still is a set of wind estimates (not measurements) based on damage.

The words of the agency. Source: NOAA NWS Storm Prediction Center, Enhanced Fujita Tornado Damage Scale, copied on .

The wind estimates are those of the Enhanced Fujita scale.

Beside the other counties

Tornado events on record: Woodbury County beside the total of the counties of Iowa and of the United States
MeasureWoodburyAll counties of IowaAll counties of the United States
Tornado events, 1950 to 2026603,50181,254
Events for each 100 square miles6.96.32.3
Events for each 10,000 residents5.711.02.4

The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. A forecast zone with another name than a county counts for the state only.

More tornado events on record

Tornado events on record for Woodbury County, newest first, without the 25 newest events above
DateEvent typeMagnitudeDamage estimateDeathsInjuriesOn record for
TornadoF0none00County
TornadoF0none00County
TornadoF0none00County
TornadoF0$50 thousand00County
TornadoF0none00County
TornadoF0none00County
TornadoF0$4 thousand00County
Tornadonot recorded$10000County
TornadoF3$505 thousand00County
TornadoF0$3 thousand00County
TornadoF0$3000County
TornadoF4$250 million01County
TornadoF0none00County
TornadoF0none00County
TornadoF1$250 thousand00County
TornadoF2$250 thousand00County
TornadoF3$25 thousand04County
Tornadonot recorded$25 thousand03County
Tornadonot recorded$250 thousand02County
Tornadonot recorded$25 thousand00County
TornadoF2$25 thousand00County
TornadoF2$250 thousand210County
TornadoF2$250 thousand05County
TornadoF1$250 thousand00County
TornadoF1$25 thousand00County
TornadoF0$25 thousand03County
TornadoF1$25 thousand00County
TornadoF1$25 thousand00County
TornadoF2$25 thousand00County
TornadoF0$25 thousand00County
TornadoF1$3 thousand00County
TornadoF3$2.5 million07County
TornadoF2$25 thousand00County
TornadoF1$25 thousand01County
TornadoF1$3 thousand02County

The table has all other events on record. A damage figure is an estimate in the NCEI record.

Official channels

These links open the pages of the agencies. The site checked the links on .

Cite this page

County Hazards. "Tornado events on record for Woodbury County, Iowa". https://countyhazards.com/county/ia/woodbury/tornado/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026. Page made on .

Questions

Which month has the most tornado events on record for Woodbury County?
June has 16 of the 60 tornado events on record from 1950 through 30 Jun 2026.
How many tornado events are on record for Iowa?
NCEI has 3,501 tornado events on record for Iowa from 1950 through 30 Jun 2026. That count has every forecast zone of the state.
How does Woodbury County compare with the other counties of Iowa?
The counties of Iowa have 6.3 tornado events for each 100 square miles. Woodbury County has 6.9.
Which tornado ratings are on record for Woodbury County?
40 tornado events have a rating of EF0, F0, EF1 or F1. 13 events have a higher rating. 7 events have no rating.