Forecasters expect strong, possibly tree-limb-snapping, power-cutting winds to accompany heavy rainfall starting Thursday afternoon.The National Weather Service in Portland predicts that Thursday’s storm will be a powerful one, and a prelude to rainy weather through early next week. Forecasters said 1 to 3 inches of rain may fall in inland areas and valleys in Western Oregon and Washington through Saturday. For Vancouver, forecasters predicted new rainfall totals between 0.75 to 1 inch Thursday and Thursday night.Friday’s new rainfall totals were forecast at less than an inch.As much as 3 to 6 inches of rain was forecast for the coastal mountains through Saturday, and about 2 to 4 inches in the Cascades.The greater concern may be wind. In Vancouver, the weather service said it expected winds from 8 to 11 mph Thursday, with gusts as high as 18 mph. Wind speeds are forecast to increase to 23 to 28 mph, with gusts as high as 43 mph, Thursday evening. “With deciduous trees still heavy with leaves, any moderately breezy conditions could wreak havoc with power lines inland,” according to Wednesday afternoon’s weather service forecast. Most inland areas are likely to see gusts of 25 to 40 mph Thursday night.