Fremont County, Wyoming tornadoes

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22 confirmed tornadoes since NOAA records began in 1950 (the first here in 1962). Most recent: August 11, 2020, EF0. 2026 so far: 2 preliminary reports preliminary

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Every tornado path in the county

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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

At a glance

Total221950 to 2025
Per year0.3average since 1950
Peak monthJune9 of 22
StrongestF3Jun 16, 1962
Deaths0whole paths, see note
Injuries4whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Fremont County.

When tornadoes hit here

By month

90 Jan: 0Feb: 0Mar: 0Apr: 3May: 4Jun: 9Jul: 1Aug: 4Sep: 1Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 9 of 22 tornadoes.

By time of day

70 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 1: 3: 43 PM: 6: 1: 76 PM: 0: 0: 09 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 5:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 1: 0: 1: 0: 0: 2: 2: 01970: 0: 0: 0: 1: 0: 0: 1: 1: 0: 01980: 1: 0: 0: 0: 0: 0: 1: 0: 0: 11990: 0: 0: 0: 0: 0: 0: 0: 1: 0: 22000: 0: 0: 0: 0: 1: 0: 0: 0: 1: 12010: 0: 0: 0: 0: 2: 0: 0: 0: 1: 02020: 1: 0: 0: 0: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones. This year so far: 2 preliminary reports.

By rating

EF0
9
EF1
9
EF2
3
EF3
1

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

Notable tornadoes

Strongest

F3, June 16, 1962

0.5 mile path Longest path

8.2 miles, F2

June 6, 1967, whole path Widest

200 yards, F2

August 27, 1973

All 22 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 11, 2020EF00.19 mi20 yd00
May 28, 2018EF00.49 mi20 yd00
May 6, 2014EF11.52 mi50 yd00
May 6, 2014EF04.79 mi30 yd00
Jun 3, 2009EF00.9 mi50 yd00
May 28, 2008EF00.04 mi10 yd01
Sep 30, 2004F01 mi50 yd00
Apr 28, 1999F00.1 mi50 yd00
Apr 28, 1999F01 mi100 yd00
Jun 6, 1997F12 mi40 yd00
Jul 9, 1989F00.2 mi13 yd00
Jun 7, 1986F22 mi50 yd00
Aug 3, 1980F10.1 mi10 yd00
Jun 20, 1977F12 mi20 yd00
Aug 3, 1976F10.1 mi10 yd00
Aug 27, 1973F20.5 mi200 yd00
Jun 6, 1968F13 mi50 yd00
Jun 5, 1968F10.1 mi50 yd00
Jun 14, 1967F10.5 mi17 yd01
Jun 6, 1967F28.2 mi33 yd02
Apr 23, 1964F10.5 mi17 yd00
Jun 16, 1962F30.5 mi67 yd00

2026 preliminary reports not yet confirmed

Report dateLocationRating
Sep 19, 202615 SE Saint StephensNot yet rated
Jun 25, 202611 NNE Jeffrey CityNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 12, 2026.