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Like a broken record, wave after wave of coastal rain and mountain snow will target the Pacific Northwest through the remainder of the week.
The current round of mountain snow and valley and coastal rain will continue to impact the region through the reminder of today. At elevations above 4,000 feet along the Washington Cascades and Blue mountains, the storm will dump 6 to 11 inches of new snow by tonight.
Here, Winter Weather Advisories are in place today. Like more recent storms, the snow will lead to slippery travel in places like Snoqualmie and Stevens Pass.
Mountain snow won’t be the only facet of the storm. New flooding headaches will be possible along the Cascade foothills of Washington. An inch or two of rainfall could lead to excess runoff creating rises across local streams, rivers, and tributaries the next few days. Flood Watches are in effect across the foothills and coastal regions and a Flood Warning is in place for the Skokomish River in Mason County, Washington.
Additional heavy rain arriving late this week and next weekend could lead to even more flooding from streams, rivers, and tributaries. If you come across flooded roadways, remember to “Turn Around, Don’t Drown.”
In addition to flooding, landslides will threaten the waterlogged region. Repetitive rain events have loosened soil, putting the foothills and coast at risk. Remember it is often impossible to outrun a landslide, so heed warnings issued by local officials!
This week’s active storm track will add to the precipitation surplus across the Evergreen State, erasing the long-term drought. Now, places like Olympia, Wash., have seen a surplus of more than 5 inches of rain since the start of January. Seattle Tacoma Airport’s 0.60 inches of rainfall on Tuesday has erased a precipitation deficit dating back to the beginning of October 2019.