Rain This Week May Hamper Search Efforts in Oso - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Rain This Week May Hamper Search Efforts in Oso

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OSO, WA - The National Weather Service says rain and showers forecast through Saturday in Western Washington will make the search and recovery effort at the Oso mudslide messy and also increase soil instability in the area.

Forecasters say 1 to 3 inches of rain could fall by the weekend, adding moisture to hillsides, including the one that gave way Saturday.

Part of that mudslide blocked the North Fork of the Stillaguamish River at Oso.

The National Weather Service has also extended a flood warning and a flash-flood watch in the area.


The warning is in effect until 6 p.m. Wednesday for the North Fork of the Stillaguamish River in Snohomish County.

The weather service says it expects some flooding of homes and roads to continue until a newly forming river channel is large enough to drain the lake behind the slide blockage near Oso.

A flash-flood watch is now in effect through Monday afternoon although the weather service says the likelihood of a flash flood below the blockage is very low.

A warning means flooding is imminent or already happening, while a watch means conditions are favorable for flooding.
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