...The Flood Watch is extended for the following rivers in Michigan... Muskegon River At Evart affecting Osceola County. Muskegon River at Newaygo affecting Newaygo County. Muskegon River Near Croton affecting Newaygo County. Muskegon River at Bridgeton affecting Newaygo County. * WHAT...Flooding is possible. * WHERE...Muskegon River at Evart. * WHEN...From late Monday night to early Saturday afternoon. * IMPACTS...At 12.5 feet, Expect significant flooding in the area of M66 and 9 mile,