Flash Flood — Missoula, Montana

2021-08-02 · near Seeley Lake Arpt, Missoula, Montana

Event narrative

A trained spotter reported 1.3 inches of rainfall during a 45 minute period in Big Sky Lake. Excessive runoff washed out a resident's driveway along Big Sky Lake.

Wider weather episode

A strong thunderstorm produced excessive rainfall over Big Sky Lake during the afternoon of August 2nd.

View location on OpenStreetMap → (47.1498, -113.4530)

Source: NOAA Storm Events Database, event_id 976613. Narrative written by the NWS forecast office that issued the report.