Ever heard of an atmospheric river? Well, Treasure Valley residents will be experiencing one starting late tonight, the National Weather Service reports.
An atmospheric river is a ribbon of very moist Pacific air, expected to bring moderate precipitation amounts through Southwest Idaho and Southeast Oregon from late Tuesday night into Thursday morning.
Snow levels are expected to be at around 4,500 feet when the system enters this area, rising to 7,000 feet by Thursday morning, the weather service predicts.
The forecast for Boise calls for a 50 percent chance of rain Tuesday night, a 100 percent chance on Wednesday and a 70 percent chance Wednesday night. On Thursday, the odds for rain are expected to dip back down to 50-50.