The Pearl River is expected to crest Monday at 37.5 feet, the highest water level since 1983.
A third rider, who was partly buried, was able to free himself and alert authorities.
In the fictional home of Romeo and Juliet, the Juliet Club answers letters from hopeless romantics seeking advice. Founded in Verona, Italy in 1972, the club responds to thousands of letters every year.
Search crews in Colorado recovered the bodies of two men killed in an avalanche near Vail. Another snowmobile driver with them was able to dig out of the snow.
The Pearl River is continuing to rise and submerging parts of Mississippi. Fed by water from the reservoir, the river is expected to crest at 38 feet on Monday.