Weather

Flood Warning in effect as Columbia River continues to rise

PORTLAND, Ore. (KOIN) -- The Columbia River near Vancouver continues to rise causing a Flood Warning that will impact both Multnomah and Clark counties.

High river levels are expected through the weekend with minor flooding possible early next week, according to the National Weather Service.

The rise of the river is caused by multiple factors including snow melting in the Rocky Mountains and increased rainfall. The Willamette River has also been affected, but it's not expected to reach flood stage.

Officials at U.S. Army Corps of Engineers advise recreational boaters and commercial mariners that recent high-water levels may be concealing some pile dikes on the river. Pile dikes are frequently just below the surface during high water and can cause serious damage to vessels attempt to move over them.

Watch: Chief Meteorologist Natasha Stenbock talks with a hydrologist about flooding


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