Sioux County, North Dakota tornado history

17 tornadoes recorded in or across Sioux County from 1956 to 2024, 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 17 tornadoes whose paths touched Sioux County, North Dakota between 1956 and 2024. None of them is recorded as having killed anyone. The busiest month is June, with 8 tornadoes. The strongest was an EF1 on 28 August 2024. The most recent was on 28 August 2024.

  • 17tornadoes
  • 0deaths
  • 0injuries
  • 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 / EF01376%
F1 / EF1424%
F2 / EF200%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Sioux County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 5 in 2000s.1950s11960s21970s21980s11990s32000s52010s22020s1

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s1
1960s2
1970s2
1980s1
1990s3
2000s5
2010s2
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 8 in Jun.Jan0Feb0Mar0Apr0May4Jun8Jul3Aug2Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May4
Jun8
Jul3
Aug2
Sep0
Oct0
Nov0
Dec0

Records for Sioux County

  • Strongest and Most recent: North Dakota tornado28 August 2024, EF1, 2.2 miles long
  • Longest path: North Dakota tornado17 May 1975, F0, 2.3 miles long

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

More in North Dakota

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