Flood — Boundary, Idaho

2025-12-10 to 2025-12-12 · near Mc Arthur, Boundary, Idaho

Event narrative

Forest Service Road 293 washed out and a landslide covered Forest Service Road 231 below it. Damage cost is estimated.

Wider weather episode

An atmospheric river brought heavy rains to the Central Idaho Panhandle December 10 and 11. Areas saw 48 hour rain amounts of 2 to 4 inches. The rain combined with snow melt and led to several flooding and landslide incidents. An embedded cold front brought high winds up to 60 mph to the region causing downed trees and power lines.

View location on OpenStreetMap → (48.5200, -116.5900)

Source: NOAA Storm Events Database, event_id 1308018. Narrative written by the NWS forecast office that issued the report.