Winter Storm — Shirley Basin, Wyoming

2025-04-17 to 2025-04-18 · Shirley Basin, Wyoming

Event narrative

WY-77 was closed south of Shirley Basin for an extended period of time due to winter conditions. A webcam along WY-77 showed snow covered roads.

Wider weather episode

A strong cold front moved from northwest to southeast across Wyoming, bringing cold temperatures and widespread accumulating snow.

Source: NOAA Storm Events Database, event_id 1240270. Narrative written by the NWS forecast office that issued the report.