EFU Tornado — Niobrara, Wyoming

2025-06-17 · near Manville, Niobrara, Wyoming

Event narrative

Multiple reports of funnel clouds and brief tornado near Manville. Verified with pictures, with location and time estimated by radar. Rated EF-U in coordination with emergency management.

Wider weather episode

Following the nocturnal convection the night/morning of June 16/17, another round of severe storms developed early in the afternoon on June 17. Hail, wind, and tornadoes were reported with these storms.

View location on OpenStreetMap → (42.7898, -104.6290)

Source: NOAA Storm Events Database, event_id 1262831. Narrative written by the NWS forecast office that issued the report.