State + disaster type
Flood history in Montana
Montana has 138 county-level flood declarations across 51 counties. Valley County leads with 6 declarations. Total tracked FEMA obligations for flood events in this state: $49.9M.
This page shows every Montana county in Montana that has at least one FEMA flood declaration on record, ranked by how many times that hazard type triggered federal aid. Counties near the top of this list have recurring exposure to flood events — useful context for anyone evaluating property risk, insurance needs, or emergency planning in the area.
For the full national view of flood declarations across all states, see the flood disaster type page. For all hazard types in Montana, see the Montana state page.
Flood in Montana