Debris Flow — Ravalli, Montana

2025-08-01 · near Hamilton Rvlli Co Ar, Ravalli, Montana

Event narrative

Multiple debris flows blocked Skalkaho Highway (Highway 38) in three locations. Two slides occurred south of Skalkaho Falls, with an additional flow reported west of the winter gate.

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 → (46.1711, -113.9142)

Source: NOAA Storm Events Database, event_id 1282038. Narrative written by the NWS forecast office that issued the report.