Heavy Rain — Flathead, Montana

2025-08-01 · near Lake Mcdonald, Flathead, Montana

Event narrative

Flooding was reported on the Highline Trail. People needed to be rescued, but ongoing thunderstorms prevented helicopter operations.

Wider weather episode

Anomalously high precipitable water (200-210% of normal) along with a shortwave trough, resulted in high rainfall rates with convection. The Weather Prediction Center issued a slight risk for excessive rainfall rates.

View location on OpenStreetMap → (48.7098, -113.7118)

Source: NOAA Storm Events Database, event_id 1287159. Narrative written by the NWS forecast office that issued the report.