Park County, Wyoming tornadoes

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10confirmed tornadoes since NOAA records began in 1950 (the first here in 1964). Most recent: June 12, 2017, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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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.

Recent warnings

Recent warnings in Park County

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The record

At a glance

Total101950 to 2025
Per year0.1average since 1950
Peak monthJune5 of 10
StrongestF2Jun 26, 1964
Deaths0whole paths, see note
Injuries0whole paths, see note

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

Seasons

When tornadoes hit here

By month

50 Jan: 0Feb: 0Mar: 0Apr: 0May: 3Jun: 5Jul: 1Aug: 1Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 5 of 10 tornadoes.

By time of day

20 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 1: 0: 09 AM: 0: 0: 112 PM: 0: 2: 13 PM: 0: 2: 16 PM: 1: 1: 09 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 1:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

10 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 0: 0: 1: 0: 1: 01980: 0: 0: 0: 0: 1: 0: 1: 0: 0: 01990: 0: 1: 0: 0: 0: 0: 0: 0: 0: 02000: 0: 0: 0: 0: 0: 1: 0: 0: 0: 02010: 0: 0: 0: 1: 0: 1: 0: 1: 0: 02020: 0: 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.

By rating

EF0
5
EF1
3
EF2
2

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.

The record

Notable tornadoes

Strongest

F2, June 26, 1964

1 mile path Longest path

6.27 miles, EF0

May 27, 2013, whole path Widest

200 yards, F2

July 11, 1978
Every tornado

All 10 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 12, 2017EF00.69 mi25 yd00
May 16, 2015EF01.37 mi20 yd00
May 27, 2013EF06.27 mi20 yd00
Jun 1, 2005F04 mi30 yd00
May 18, 1991F10.2 mi60 yd00
Aug 25, 1986F11 mi23 yd00
Jun 20, 1984F01 mi10 yd00
Jul 11, 1978F20.4 mi200 yd00
Jun 26, 1976F12 mi27 yd00
Jun 26, 1964F21 mi50 yd00
Nearby

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 13, 2026.