SEATTLE — The National Weather Service says days of heavy rainfall have increased the threat of landslides in western Washington.
Rains that began midweek are forecast to continue through the weekend, putting extra pressure on steep hillsides and unstable bluffs for days — even after rainfall ends.
The Weather Service says a record 1.03 inches of rain fell Thursday at Sea-Tac Airport, breaking the record of .96 set in 1961. And a record 2.1 inches fell at Quillayute Airport on the coast, breaking the old record for the date of 1.35 inches set in 1999.
An atmospheric river blowing into the Northwest also brings mild temperatures and a high snow level. The 60 degrees Thursday at Bellingham Airport tied the record.
Forecasters say the weather should turn drier Tuesday in Washington.
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