Weather Alerts For Twisp, WA

Special Weather Statement National Weather Service Spokane WA 726 PM PST Fri Dec 12 2025 Central Chelan County-Western Chelan County- Western Okanogan County- 726 PM PST Fri Dec 12 2025 A very active weather pattern will occur in the Cascades next week. On Monday and Tuesday another round of moderate to heavy rain arrives with possible flooding of small streams and the Stehekin River. There will be an increased risk of mud and rock slides in areas of steep terrain and near burn scars. Then several rounds of heavy mountain snow and windy conditions arrive by Wednesday and will continue through the week. Stevens Pass has an 80 percent chance of receiving more than 2 feet of snow from Tuesday Night through Friday. Snow levels may fall to the valley floors at times as well. Those living or have travel plans through the Cascades should be prepared for impactful weather next week.