Thunderstorm Wind — Johnson, Wyoming

2025-07-15 · near Mayoworth, Johnson, Wyoming

Event narrative

A sheephearders monument was blown down near Tabletop Mountain in the Bighorn Mountain Range. Wind measurements from nearby sensors and structure damage support a 60 to 75 mph wind speed estimate.

Wider weather episode

An upper level low moved across Wyoming and brought a round of strong to severe thunderstorms to western and central Wyoming. The severe thunderstorms brought both hail and strong wind. The maximum wind gust reported was 75 mph near Muddy Gap with wind gusts over 58 mph also reported in Sublette, Sweetwater, Lincoln and Hot Springs Counties. In Afton, trees were blown onto power lines leading a power outage. A pile of loose rocks was blown down near Tabletop Mountain in Johnson County. In Fremont County, a supercell thunderstorm moved southeast dropping penny to ping pong size hail, with the largest hail reported to the northwest of Lander.

View location on OpenStreetMap → (43.8500, -107.0800)

Source: NOAA Storm Events Database, event_id 1284616. Narrative written by the NWS forecast office that issued the report.