Prosser Reservoir remains full, with water temperatures climbing into the mid-50s as summer approaches. Trout fishing has been productive near the north end of the lake, where anglers are finding success with PowerBait and small spoons. Bass fishing is still doing well. Anglers targeting bass should focus on weed edges, structure, and warmer pockets of water, where fish are actively feeding. Anglers fishing for bass at Prosser should use yellow rooster tails or other similar lures for best results.