An atmospheric river washing over British Columbia this weekend has triggered flooding in some communities across the South Coast. Persistent waves of heavy rainfall, fuelled by a Category 4 atmospheric river, have filled gauges and waterways alike throughout the region.

Flooding is widespread across the region, with some streets and intersections closed to traffic. Here are some of the photos and videos people have been sharing online of the heavy rains and stormy weather.

Western Washington can expect heavy rain this weekend and for the foreseeable future as La Niña continues to develop, according to NOAA.

An atmospheric river weather system is drenching coastal British Columbia, triggering localized flooding as voters head to the polls for the provincial election.

Search and rescue crews in B.C.'s Lower Mainland say they are on standby to help with possible evacuations as an atmospheric river makes its way through southwestern B.C. on Saturday. The heavy rainfall has caused widespread power outages and flooding,

VANCOUVER - Environment Canada is warning of an incoming atmospheric river weather system that will bring "prolonged heavy rain" to British Columbia's