Skip to main content
U.S. flag

An official website of the United States government

Logo
Montana Fish, Wildlife & Parks
Site Section
Partner

Montana Fish, Wildlife & Parks

An Agency/Organization of:
Related Data & Maps
Screenshot of TroutCast tool showing colored dots on a map of Montana's rivers. The dots represent population forecasts for brown trout.

TroutCast

TroutCast is an interactive tool that helps users explore the projected impacts of drought on trout across Montana’s renowned blue-ribbon rivers.

Related News
Two anglers on the banks on a Montana river with snow-capped mountains in the background. Photo by the U.S. Geological Survey.
Site Section
News & Events

New TroutCast Tool Brings Drought Forecasting to Montana’s Blue-Ribbon Trout Rivers

A new interactive web-based tool, TroutCast, launched on June 1, 2026 to help forecast drought impacts on trout populations and support fisheries and water management across Montana’s renowned blue-ribbon rivers. Funded by the National Oceanic and Atmospheric Administration National Integrated Drought Information System (NOAA-NIDIS) and developed through a partnership among the U.S.
Related Research