Tornado History Map

Sioux County, Nebraska tornado history

32 tornadoes recorded in or across Sioux County from 1951 to 2021, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Sioux County

The Storm Prediction Center records 32 tornadoes whose paths touched Sioux County, Nebraska between 1951 and 2021. None of them is recorded as having killed anyone. The busiest month is June, with 13 tornadoes. The strongest was an F3 on 20 July 1978. The most recent was on 26 May 2021.

  • 32tornadoes
  • 0deaths
  • 2injuries
  • 155per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Sioux County?

RatingTornadoesShare
F0 / EF02063%
F1 / EF1516%
F2 / EF2413%
F3 / EF313%
F4 / EF400%
F5 / EF500%
Unknown rating26%

Sioux County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 10 in 1990s.1950s31960s21970s41980s21990s102000s22010s82020s1

The 2020s only run to 2021, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s3
1960s2
1970s4
1980s2
1990s10
2000s2
2010s8
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 13 in Jun.Jan0Feb0Mar0Apr0May9Jun13Jul9Aug0Sep1Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May9
Jun13
Jul9
Aug0
Sep1
Oct0
Nov0
Dec0

Records for Sioux County

  • Strongest and Longest path: Nebraska tornado20 July 1978, F3, 53.2 miles long
  • Most recent: Nebraska tornado26 May 2021, Unknown rating, 0.4 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

More in Nebraska

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