Wever is an unincorporated community in northeastern Lee County, Iowa, United States. It lies along U.S. Route 61 northeast of the city of Fort Madison, the county seat of Lee County. Its elevation is 561 feet (171 m), and it is located at 40°42′38″N 91°13′52″W﻿ / ﻿40.71056°N 91.23111°W﻿ / 40.71056; -91.23111 (40.7105961, -91.2309817). Although Wever is unincorporated, it has a post office, with the ZIP code of 52658, which opened on 1837-05-01. This post office has a complicated name history: it opened as Sand Ridge, changed to Green Bay on 1849-09-17, to Jollyville on 1859-01-28, and finally to Wever on 1870-10-17. The community is part of the Fort Madison–Keokuk, IA-MO Micropolitan Statistical Area.