Heat — Upper Green River Basin, Wyoming

2021-07-17 to 2021-07-19 · Upper Green River Basin, Wyoming

Event narrative

Record high temperatures of 92 and 94 were set at the Big Piney-Marbleton Airport on July 18th and 19th, respectively.

Wider weather episode

A combination of an abnormally strong ridge and dry soil produced very hot temperatures in many areas. The hottest temperature during the period was 107 degrees at Greybull on July 19th. Record high temperatures were also recorded at Worland, Riverton, Lander, Buffalo, Rock Springs, and Big Piney.

Source: NOAA Storm Events Database, event_id 971324. Narrative written by the NWS forecast office that issued the report.