Tornadoes, hail, floods and severe storms recorded here between 1953 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 59 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
October 4, 2013 · Woodbury, Iowa
A tornado severely damaged or destroyed about 10 houses, collapsing most walls on a few of the houses, tearing most of the roofs off other houses, and shifting what was left of some houses off their foundations. The tornado caused significant damage to roofs, windows, and siding …
July 28, 1986 · Woodbury, Iowa
July 5, 1994 · Woodbury, Iowa
May 8, 1979 · Woodbury, Iowa
May 5, 1964 · Woodbury, Iowa
November 9, 2020 · Woodbury, Iowa
Freezing rain overnight and through the morning resulted in ice accumulation of a quarter to half inch, especially on elevated surfaces, including powerlines. Brief power outages were reported. Snowfall developed later morning and through the afternoon, and accumulated to 3.0 inc…
June 30, 2019 · Woodbury, Iowa
June 18, 1973 · Woodbury, Iowa
July 2, 2012 · Woodbury, Iowa
Temperatures reaching the 90s to a few degrees above 100, and high humidity with dew points in the 70s, caused an extended period of excessive heat. The heat index peaked at 100 to 110 degrees each day, and did not fall enough at night to provide much relief to indoor locations t…
July 24, 1986 · Woodbury, Iowa
June 22, 2024 · Woodbury, Iowa
Rainfall amounts across Woodbury County from June 20-22 were generally 1.0 inch or less. Farther north and upstream, 6 to 10 inches fell across portions of northwest Iowa and southeast South Dakota. This rainfall resulted in record flooding along the Big Sioux, Little Sioux, and …
March 13, 2019 · Woodbury, Iowa
Water inundated western areas of Moville during the evening of March 13, and continued through early on March 15. Iowa Highway 140 was closed north of Highway 20 at Moville due to flooding. At the height of the flooding, 29 sections of roadway were closed in Woodbury County, incl…
July 20, 2008 · Woodbury, Iowa
Thunderstorm winds caused widespread damage in and near Sioux City. Tree damage included large trees blown down, blocking several roads. A few vehicles were destroyed and numerous vehicles damaged by falling trees and tree debris. Falling trees also damaged several residences and…
August 2, 2001 · Woodbury, Iowa
Downburst thunderstorm winds caused extensive tree damage in Sioux City. Large trees were uprooted, snapped, and stripped. A few vehicles were completely destroyed by the falling trees. Houses and other buildings, including a nursing home, were also damaged by trees and debris. M…
July 2, 1999 · Woodbury, Iowa
May 28, 1998 · Woodbury, Iowa
June 30, 2026 · Woodbury, Iowa
June 30, 2026 · Woodbury, Iowa
June 30, 2026 · Woodbury, Iowa
June 30, 2026 · Woodbury, Iowa
June 29, 2026 · Woodbury, Iowa
Dangerous heat index readings reached afternoon peaks as high as 110 degrees in Sioux City, 109 degrees at Moville, and 108 degrees in Sergeant Bluff.
June 13, 2026 · Woodbury, Iowa
June 13, 2026 · Woodbury, Iowa
Hail varied from dime to half-dollar size.
May 31, 2026 · Woodbury, Iowa
May 31, 2026 · Woodbury, Iowa
Several tree limbs from 3 to 4 inches in diameter were broken down by strong thunderstorm wind gusts.
May 25, 2026 · Woodbury, Iowa
May 22, 2026 · Woodbury, Iowa
A very brief tornado touchdown was documented by two independent photos. The tornado spun up briefly in open areas between the Little Sioux River and Morgan Trail to the north of Oto. After traveling north for less than a minute, the tornado lifted just prior to crossing Morgan T…
May 18, 2026 · Woodbury, Iowa
May 18, 2026 · Woodbury, Iowa
May 18, 2026 · Woodbury, Iowa
May 17, 2026 · Woodbury, Iowa
Several social media postings documented a tornado as it developed south of the Sergeant Bluff Rest Area along Interstate 29 and moved to the northeast across open fields before downing several large tree limbs along 220th Street. The tornado lifted shortly thereafter. The tornad…
May 17, 2026 · Woodbury, Iowa
A tornado touched down near the intersection of Glen Ellen Rd. and County Home Rd. and moved northeast for less than one mile before damaging several buildings along Old Highway 141. The tornado continued northeast for a couple minutes across open fields before damaging roof pane…
May 17, 2026 · Woodbury, Iowa
Wind gust was measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Several videos and photos via social media showed large trees down, including some on houses or other structures.
May 17, 2026 · Woodbury, Iowa
Large tree branches were downed in the Morningside neighborhood.
May 17, 2026 · Woodbury, Iowa
Wind gusts downed several tree branches of 10 to 12 inches in diameter.
May 17, 2026 · Woodbury, Iowa
Wind gust measured by a personal weather station.
May 17, 2026 · Woodbury, Iowa
Several very large cottonwood trees were uprooted at Snyder Bend Park.
May 17, 2026 · Woodbury, Iowa
Thunderstorm wind gusts ripped metal roof panels off an outbuilding and scattered the debris to the northeast.
May 17, 2026 · Woodbury, Iowa
Thunderstorm winds ripped a section of roof panels from a large outbuilding. An irrigation pivot was also tipped eastward.
May 17, 2026 · Woodbury, Iowa
Thunderstorm winds destroyed an outbuilding and uprooted several pine trees across the street.
May 17, 2026 · Woodbury, Iowa
Four electrical transmission poles were tipped and large tree limbs removed by thunderstorm winds.
May 17, 2026 · Woodbury, Iowa
Two empty grain bins and a shed were collapsed by thunderstorm winds.