Heavy Rain — Lewis and Clark, Montana

2022-07-06 · near East Helena, Lewis and Clark, Montana

Event narrative

Trained spotter reported 1.98 inches of rainfall per hour. Winds gusting 32 mph.

Wider weather episode

Disturbances moved through a persistent southwest flow aloft across the region, which continued to provide daily afternoon and evening showers and thunderstorms. These storms, some of which were severe, brought strong, gusty winds, severe hail, heavy localized rainfall, and lightning.

View location on OpenStreetMap → (46.6100, -111.8700)

Source: NOAA Storm Events Database, event_id 1037921. Narrative written by the NWS forecast office that issued the report.