Tornado History

Wyoming Tornado History

This page summarizes tornado history for Wyoming. The local dataset contains 753 tornado records from 1950 through 2026, with a strongest listed rating of F4 (Devastating damage) and at least $48.7M in reported property damage. The latest tornado record in this group is May 21, 2026. Across these records, NOAA lists 4 deaths and 115 injuries.

Key Tornado Statistics

Total Tornadoes753
Total Deaths4
Total Injuries115
Property Damage$48.7M
Avg Length2.2 mi
Avg Width69 yd

Key Tornado Facts for Wyoming

Top local patterns from the historical tornado records in this group.

Average 9.8 tornadoes per year (10.7/yr in last decade)
June is the peak tornado month with 321 recorded events
Deadliest tornado: F2 in Wyoming with 2 deaths
1979 was the most active year with 42 tornadoes
The 1990s had the most tornado activity (144 events)
Longest tornado: 52 miles in Wyoming
Widest tornado: 2,550.0 yards in Wyoming
Most tornadoes in one day: 16 on May 24, 1990

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In Wyoming, June is the most active month with 321 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

4228140

Summary: 1979 was the most active year with 42 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
F3
EF3
F4
Unknown
EFU

Summary: F0 tornadoes are the most common in this group, with 296 recorded events.

Property Damage Trends

Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.

$27.6M$2.8M$276K$0

Summary: The highest reported property damage year in this group is 1979 with at least $27.6M in NOAA-listed property damage.

Tornado Count By County

Compares the counties with the most tornado records in this state dataset.

Laramie
Campbell
Goshen
Platte
Converse
Natrona
Crook
Niobrara
Big Horn
Albany
Weston
Sweetwater
Fremont
Johnson
Carbon
Sheridan
Park
Washakie
Sublette
Lincoln

Summary: Laramie County has the highest count in this state group with 130 tornado records.

Historical Track Sketch

F4 July 21, 19871987F3 July 16, 19791979F3 July 12, 19651965F3 April 23, 19601960F3 June 25, 19751975F3 June 27, 19551955F3 June 16, 19621962F3 June 26, 19551955F3 August 2, 19851985EF3 June 1, 20182018EF3 June 6, 20182018EF3 July 28, 20182018F2 August 12, 20052005F2 May 6, 19881988EF2 June 12, 2017EF2 May 22, 2008EF2 July 13, 2009F2 July 2, 1976F2 July 4, 1978F2 July 28, 1978F2 July 28, 1978F2 June 5, 1982F2 June 13, 1984F2 June 7, 1986F2 June 18, 1987EF2 June 13, 2014EF2 June 23, 2023EF2 May 18, 2010F2 June 3, 1958F2 June 12, 1958F2 June 25, 1959F2 May 27, 1959F2 May 18, 1961F2 June 11, 1962F2 June 14, 1963F2 July 2, 1964F2 June 26, 1964F2 July 22, 1966F2 April 12, 1967F2 August 27, 1973F2 July 11, 1978F2 July 20, 1978F2 June 5, 1982F2 May 31, 1984EF2 June 1, 2018EF2 June 5, 2009EF2 June 12, 2017F2 June 12, 1953F2 May 28, 1953F2 June 26, 1959F2 July 9, 1962F2 June 12, 1962F2 July 24, 1967F2 May 10, 1985F2 May 24, 1990F2 August 21, 1960F2 June 6, 1967F2 May 29, 1976F2 May 29, 1976F2 May 10, 1950F2 June 26, 1955F2 May 29, 1971F2 June 25, 1975F2 July 30, 1975F2 July 21, 1987F2 July 10, 2001EF2 June 7, 2012EF2 June 12, 2017EF2 June 1, 2018EF2 June 6, 2018EF2 May 27, 2018EF2 September 10, 2019EF2 July 6, 2020EF2 June 12, 2022EF2 June 23, 2023F1 June 28, 1979F1 August 19, 1993F1 August 15, 1976F1 August 3, 1980F1 September 18, 1986© OpenStreetMap contributors
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Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
July 21, 1987F4Teton, Wyoming24.3 mi2550 yd00$2.5M
July 16, 1979F3Laramie, Wyoming8.8 mi80 yd140$25.0M
July 12, 1965F3Crook, Wyoming9.4 mi1400 yd00$250K
April 23, 1960F3Laramie, Wyoming17.2 mi33 yd01$25K
June 25, 1975F3Crook, Wyoming11.5 mi440 yd00$25K
June 27, 1955F3Platte, Wyoming2 mi100 yd03$2K
June 16, 1962F3Fremont, Wyoming0.5 mi67 yd00$2K
June 26, 1955F3Goshen, Wyoming2 mi27 yd00$30
August 2, 1985F3Big Horn, Wyoming0.2 mi10 yd00N/A
June 1, 2018EF3Campbell, Wyoming3.76 mi200 yd02N/A
June 6, 2018EF3Albany, Wyoming11.3 mi600 yd00N/A
July 28, 2018EF3Converse, Wyoming4.44 mi350 yd00N/A
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Source And Limits

Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.

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