Woodbury storm history
Storm events recorded in Woodbury, Iowa between 1950 and 2025.
1,159
Total events
57
Tornadoes
367
Hail
82
Floods
4
Deaths
$298.2M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
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 …
Tornado F3 Tornado
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…
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…
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 …
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…
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…
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…
Winter Weather Winter Weather
Intermittent very brief blowing snow brought visibility at low as one-half mile. Gusty northwest winds from 35 to 60 mph were concurrent with light snowfall, which totaled 1.0 inch at Sergeant Bluff. A multi-vehicle accident occurred near Sloan on Interstate 29 after the period o…
High Wind High Wind
Winds were sustained briefly around 40 mph, with a peak gust of 59 mph 1 mile west of Sergeant Bluff.
High Wind High Wind
Sustained winds reached around 40 to 45 mph with gusts as high as 63 mph at Sergeant Bluff.
Winter Weather Winter Weather
Snowfall totaled 4.2 inches in Sergeant Bluff.
Cold/Wind Chill Cold/Wind Chill
Wind chills reached as low as -29 degrees at Sergeant Bluff, -28 degrees at Moville, and -25 degrees 4 miles west-southwest of Washta.
High Wind High Wind
Synoptic northwest winds were occasionally sustained from 40 to 50 mph with gusts as high as 70 mph at an Automated Surface Observing System site in Sergeant Bluff and 59 mph at an Iowa Road Weather Information System site at Moville.
Winter Weather Winter Weather
Snowfall totaled 3.1 inches at Sergeant Bluff and 3.0 inches at Moville. Snowfall totaled 2 to 3 inches across the Sioux City metro area.
Winter Storm Winter Storm
A long-duration snowfall totaled 7.0 inches at Sergeant Bluff and 4 miles north-northeast of Hornick. During a brief break in snowfall during the evening of November 28, a period of light freezing rain and freezing drizzle resulted in a few hundredths of an inch ice accumulation.
High Wind High Wind
Sustained winds reached 40 to 42 mph at times with a peak gust of 67 mph at an Automated Surface Observing System site near Sergeant Bluff.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts for about 1 or 2 minutes broke several 3 to 4 inch diameter tree limbs.
Thunderstorm Wind Thunderstorm Wind
Tree damage was reported in southeastern Sioux City from late afternoon thunderstorm wind gusts.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by ASOS station KSUX at Sioux Gateway Airport.
Excessive Heat Excessive Heat
Dangerous heat index values peaked as high as 116 degrees 3 miles west-southwest of Washta, 113 degrees at Moville, and 109 degrees in Sioux City and Sergeant Bluff on August 16.
Excessive Heat Excessive Heat
Dangerous heat index values peaked as high as 109 degrees at Moville, 107 degrees in Sioux City, and 106 degrees 3 miles west-southwest of Washta.
Thunderstorm Wind Thunderstorm Wind
A 59 mph thunderstorm wind gust was measured at Sioux Gateway Airport (KSUX).
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
Thunderstorm Wind Thunderstorm Wind
Four-inch tree limbs were downed by thunderstorm wind gusts in Hornick.
Thunderstorm Wind Thunderstorm Wind
A 70 mph wind gust was measured at the Woodbury County Fairgrounds.
Excessive Heat Excessive Heat
Dangerous heat index readings reached an afternoon peak as high as 120 degrees 6 miles east of Pierson, 118 degrees at Moville, 114 degrees in Sioux City, 112 degrees in Sergeant Bluff, and 108 degrees near Danbury.
Excessive Heat Excessive Heat
Dangerous heat index readings reached afternoon peaks as high as 114 degrees at Moville, 112 degrees 3 miles east of Pierson, and 107 degrees in Sioux City on July 23.
Thunderstorm Wind Thunderstorm Wind
A 59 mph wind gust was measured at the Sioux Gateway Airport (KSUX).
Hail Hail
Observed hail was pea to nickel size, although most hailstones were the size of dimes.
Excessive Heat Excessive Heat
Daily afternoon and evening heat indices ranged from 105 to 115 degrees with a maximum heat index of 115 degrees at a personal weather station near Washta on June 20, 112 degrees at a road weather site near Sioux City, 109 degrees at a personal weather station in Sioux City, and …
Thunderstorm Wind Thunderstorm Wind
Several moderate-sized branches were knocked down by thunderstorm wind gusts.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds downed multiple trees in Pierson.
Thunderstorm Wind Thunderstorm Wind
Winds were measured by a personal weather station.
Thunderstorm Wind Thunderstorm Wind
Winds were measured by a personal weather station.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds took down several large trees, some on top of vehicles.
High Wind High Wind
Sustained easterly winds reached 33 to 39 mph with gusts as high as 61 mph at Moville.
High Wind High Wind
An extended period of gusty winds impacted areas mainly south and east of the Sioux City metro area, reaching speeds as high as 67 mph 3 miles north of Salix. The strong winds overturned a pair of semi-trucks on Interstate 29 north of Sloan. Large trees were downed around Sergean…
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Hail Hail
Hail varied from pea to nickel size.
Blizzard Blizzard
Snowfall totaled 6.7 inches 4 miles north-northeast of Hornick and 5.0 inches at Sioux City. Northwest winds gusted between 40 and 55 mph with a peak gust of 63 mph reported by a private weather station near Correctionville. A 55 mph wind gust was also reported by the ASOS at Sio…
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 46 | 0 |
| 2024 | 55 | 0 |
| 2023 | 40 | 0 |
| 2022 | 32 | 1 |
| 2021 | 31 | 4 |
| 2020 | 28 | 0 |
| 2019 | 28 | 0 |
| 2018 | 29 | 0 |
| 2017 | 19 | 0 |
| 2016 | 39 | 0 |
| 2015 | 26 | 0 |
| 2014 | 49 | 0 |
| 2013 | 17 | 3 |
| 2012 | 38 | 0 |
| 2011 | 49 | 0 |
| 2010 | 24 | 0 |
| 2009 | 22 | 0 |
| 2008 | 61 | 2 |
| 2007 | 31 | 0 |
| 2006 | 26 | 2 |
| 2005 | 19 | 0 |
| 2004 | 52 | 4 |
| 2003 | 50 | 3 |
| 2002 | 40 | 1 |
| 2001 | 45 | 4 |
| 2000 | 17 | 0 |
| 1999 | 23 | 0 |
| 1998 | 22 | 4 |
| 1997 | 10 | 0 |
| 1996 | 26 | 0 |
| 1995 | 5 | 1 |
| 1994 | 24 | 2 |
| 1992 | 8 | 0 |
| 1991 | 3 | 0 |
| 1990 | 8 | 0 |
| 1989 | 5 | 1 |
| 1988 | 3 | 0 |
| 1987 | 6 | 1 |
| 1986 | 12 | 1 |
| 1985 | 7 | 0 |
| 1984 | 7 | 3 |
| 1983 | 6 | 1 |
| 1982 | 7 | 0 |
| 1981 | 5 | 0 |
| 1980 | 7 | 0 |
| 1979 | 6 | 2 |
| 1978 | 1 | 0 |
| 1977 | 3 | 2 |
| 1976 | 2 | 0 |
| 1975 | 5 | 1 |
| 1974 | 7 | 0 |
| 1973 | 5 | 2 |
| 1972 | 2 | 2 |
| 1971 | 3 | 1 |
| 1969 | 3 | 2 |
| 1968 | 2 | 2 |
| 1967 | 1 | 0 |
| 1965 | 1 | 0 |
| 1964 | 4 | 2 |
| 1963 | 2 | 1 |
| 1962 | 1 | 0 |
| 1961 | 1 | 0 |
| 1958 | 1 | 1 |
| 1955 | 1 | 0 |
| 1953 | 1 | 1 |