National Weather Service United States Department of Commerce

An RFC Map from 1959
RFC Map 1959

This map from 1969 shows the expanded coverage
of the country’s rivers, just 10 years later

RFC Map 1969

The RFC map as it stands today, covering the entire
continental U.S. along with Alaska

RFC Map Current
APRFC's area also includes Hawaii and other Pacific U.S.territories and
SERFC's area also includes Puerto Rico.