Jun 1, 2017
Warmer than normal temperatures caused rapid snow melt and lead to a prolonged period of flooding on the Salmon River. The Salmon river started rising to action and minor flood levels in May, and continued to rise and reach moderate flood stage in the month of June, which is when the greater impacts occurred.
Source: NOAA National Weather Service Storm Events Database (event 700552). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Lemhi County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.