The most significant rain in months will reach Portland, Salem and Eugene, Ore. beginning on Friday.
The storm moving in will be the first in a series of storms with rain and high country snow affecting a large part of the Northwest.
Initially, the pattern may seem like a dud, but as it gets going, it will turn progressively more soggy with time.
A general 0.25 to 0.50 of an inch of rain is forecast to fall through Saturday, with locally higher amounts on the Oregon coast and on the west slopes of the Cascades.
Additional storms with rain will follow Saturday night into early next week.
There is the potential for local amounts of 2.00 inches in the Portland area over the five-day period concluding next Tuesday.
Snow levels will remain well above the passes during the series of storms. However, hikers could get caught off guard in blinding snow and gusty winds with the events beginning the second half of the weekend into early next week. This is when the strongest storms and heaviest precipitation is likely to occur.
For Portland, the event(s) Friday into Saturday will be the most significant rainfall since at least the middle of July. The entire event may rival some of the lingering storms from the spring.
While the Cascades will filter out a great deal of the moisture upon moving eastward, some showers are forecast to reach the The Dalles and Pendleton, Ore., areas as well.
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