Regular Hours:Snow in the Cascades of Washington late Friday and Friday night will accumulate 3 to 6 inches and 1 to 3 inches in the Oregon Cascades. Snow across northwestern Idaho and northwestern Montana on Friday night will accumulate 1 to 3 inches. Snow across western Colorado into eastern Wyoming on Friday and Friday night will accumulate 1 to 3 inches in general with 3 to 6 inches of snow in Colorado above 8,000 feet.