May 5, 2018
Spring time mountain snow melt of heavy snow pack in the Canadian Rockies and the north Cascades brought major flooding to the Okanogan River from Oroville to it's mouth at the Columbia River. Numerous homes and businesses along and near the river suffered basement and first floor flooding in addition to massive inundation of crop lands and orchards in the river valley, with associated irrigation and farming support infrastructure damage and loss.||County and state officials mobilized emergency
Source: NOAA National Weather Service Storm Events Database (event 756475). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Okanogan County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.