Fremont County, Wyoming tornado history

22 tornadoes recorded in or across Fremont County from 1962 to 2020, 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 Fremont County

The Storm Prediction Center records 22 tornadoes whose paths touched Fremont County, Wyoming between 1962 and 2020. None of them is recorded as having killed anyone. The busiest month is June, with 9 tornadoes. The strongest was an F3 on 16 June 1962. The most recent was on 11 August 2020.

  • 22tornadoes
  • 0deaths
  • 4injuries
  • 24per 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 Fremont County?

RatingTornadoesShare
F0 / EF0941%
F1 / EF1941%
F2 / EF2314%
F3 / EF315%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Fremont County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 6 in 1960s.1960s61970s31980s31990s32000s32010s32020s1

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

Show the numbers
PeriodCount
1960s6
1970s3
1980s3
1990s3
2000s3
2010s3
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 9 in Jun.Jan0Feb0Mar0Apr3May4Jun9Jul1Aug4Sep1Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr3
May4
Jun9
Jul1
Aug4
Sep1
Oct0
Nov0
Dec0

Records for Fremont County

  • Strongest: Wyoming tornado16 June 1962, F3, 0.5 miles long
  • Longest path: Wyoming tornado6 June 1967, F2, 2 injuries, 8.2 miles long
  • Most recent: Wyoming tornado11 August 2020, EF0, 0.2 miles long

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

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