A series of atmospheric rivers are poised to bring substantial rain and snow to Northern California, Washington, and Oregon this weekend, following a dry spell. Residents are advised to prepare for potential disruptions to holiday travels due to significant weather changes, including heavy snow in the Sierra Nevada, with some areas expecting up to 70 inches. Storms are also forecasted to strike the Carson City area, causing icy road conditions, while Sacramento braces for storm-induced turmoil. Overall, an active weather pattern is set to impact the region with persistent rain and mountain snow.