Weather‘The Mississippi River, but in the sky’: Meteorologist explains system hitting Pacific NorthwestBy Kristian Foden-Vencil (OPB)Dec. 9, 2025 8:19 p.m.An atmospheric river over Southwest Washington and Northwest Oregon is causing flooding, landslides and school closures. 📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up