Sheridan, WY Tornado History — 11 Tornadoes Since 1950
How many tornadoes has Sheridan, WY had?
Sheridan has had 11 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Sheridan?
The most recent tornado within 25 miles of Sheridan was a F0 on June 10, 2004.
When is tornado season in Sheridan?
June is historically the peak month for tornadoes near Sheridan, with 9 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Have any tornadoes near Sheridan been fatal?
No fatalities are on record within 25 miles of Sheridan from any of the 11 tornadoes since 1950. NOAA Storm Prediction Center records.
Notable Tornadoes Near Sheridan
About Tornadoes in Sheridan
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Sheridan, Wyoming has experienced 11 tornadoes within a 25-mile radius since 1950, according to the NOAA Storm Prediction Center. All of these tornadoes have been rated EF0 or EF1 on the Enhanced Fujita scale, which classifies tornado intensity based on damage to structures and vegetation. The area has recorded 7 EF0 tornadoes and 4 EF1 tornadoes, with no fatalities on record from any of these events.
Tornado activity near Sheridan has been relatively consistent across the decades, with 2 tornadoes in the 1960s, 2 in the 1970s, 2 in the 1980s, and a slight increase to 4 tornadoes in the 1990s. The 2000s saw only 1 recorded tornado. June has been the overwhelmingly dominant month for tornado occurrence, accounting for 9 of the 11 total events. This seasonal pattern aligns with the typical peak of tornado activity across the northern Plains, when warm, moist air from the Gulf of Mexico clashes with cooler air masses and strong jet stream dynamics.
The costliest tornado on record occurred on June 21, 1984, when an F1 tornado caused $275,000 in property damage along a 2.0-mile path with a maximum width of 50 yards. The widest tornado tracked through the area on June 11, 1968, reaching 200 yards across during its 0.3-mile path and causing $2,750 in damage. The longest-tracked tornado was an F0 that traveled 3.6 miles on June 10, 2004, with a maximum width of 100 yards but no reported property damage.
The most recent tornado near Sheridan was the same F0 event from June 10, 2004. While tornadoes in this region tend to be weaker and shorter-lived than those in more tornado-prone areas of the central United States, the consistent June clustering suggests that residents should remain weather-aware during late spring and early summer months when atmospheric conditions are most favorable for severe thunderstorm development.