The National Weather Service in Seattle has issued moderate flood warnings for five Snohomish County rivers.
The warning for the Stillaguamish River at Arlington is in place until Saturday night. Water is expected to cover roads, including Highway 530, Pioneer Highway, Marine Drive and several locations along Norman Road.
Swift waters are expected to flood residential areas near Silvana.
The Stilly had risen above the 14-foot flood level on Friday. It is expected to crest at 18.8 feet early Saturday morning and fall below flood level by Saturday evening.
The North Fork Stillaguamish River near Arlington is also under a moderate flood warning until Saturday afternoon. Flooding is expected in the Cicero and Swede Heaven areas as well as near Oso Loop Road and Highway 530. Flood waters will likely cause riverbank erosion.
The North Fork was expected to rise to a flood level of 13 feet by around 2 p.m. on Friday. Forecasters believe it will crest near 14.5 feet Friday night and fall below flood stage Saturday morning.
Moderate flooding is also expected for the South Fork Stillaguamish River near Granite Falls until Saturday afternoon. Flooding is expected in Granite Falls and downstream to the Blue Spruce area and Jordan Road.
By 11:15 a.m. on Friday, the water was above the river’s 14-foot flood level, at 15.8 feet. It was expected to crest at 16.5 feet by Friday afternoon and fall below flood stage early Saturday morning.
A moderate flood warning is in effect for the Skykomish River near Gold Bar until Saturday evening. It is expected to cause flooding from near Index downstream through the city of Sultan. Water is likely to cover low lying pastures and roads, including Ben Howard, Index-Galena and Tualco Loop.
By 11:30 a.m. on Friday the Skykomish River was as 17.2 feet. Flood stage is 15 feet.
The water is expected to continue to rise, cresting near 17.4 feet around 10 p.m. Friday night. It should fall below flood stage Saturday morning.
The city of Monroe has closed Al Borlin Park due to the rising river.
There’s also a warning of moderate flooding for the Snohomish River near Monroe until Sunday morning. It is expected to cause several roads and much of the low pasture land in the Snohomish River Valley to flood.
By 11 a.m. on Friday, the Snohomish River had risen to 10.2 feet. The water is expected to reach flood stage of 15 feet around 1 a.m. on Saturday.
It is predicted to crest at about 16.5 feet before falling below flood level Saturday evening.
People should not drive vehicles through flooded areas and should be alert to rapid changes.
Amy Nile: 425-339-3192; anile@heraldnet.com. Twitter: @AmyNileReports.
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