...Lake Shasta waters lapped 30 feet from its top after an atmospheric river dropped more than 8 inches of rain in the Redding area since last Friday — and a new storm is expected to bring more rain to the region... ...The lake has gone up nearly 10 feet since last Friday, Jan. 31. ...two more storms — the first of which started Monday — could drop another 3.5 inches for rain by Friday, the weather service forecasted....