Feb 25, 2012; 10:54 AM ET
Snow could brush some of the hilltops around Seattle and will clog the Cascade passes this weekend.
Another storm will continue to push ashore from the Pacific Ocean this weekend.
Invading chilly air at the surface, combined with just enough dip in the jet stream, will substantially drag down snow levels this weekend in the Northwest.
While some snowflakes can mix in down to the Seattle Metro area, the setup is less than ideal for an accumulation, except for perhaps the hills from later Saturday night into Sunday morning.
The storm will track too far to the north, producing less favorable winds at sea level for snow.
However, another dose of drenching rain is in store for much of the I-5 corridor.
Snow levels will dip to around 500 feet around Seattle and around 1,000 feet around Portland Saturday night.
Substantial snow is in store for the Cascades, especially for the passes, where a couple of feet are possible. Folks heading over the passes should expect some delays at the least.
A few inches of snow are possible in the Blue Mountains. Heavy snow will again fall on the northern Rockies.
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