Peak Streamflow Information


Peak Flow and Stage Forecasts from NWS

Snow Melt / Peak Streamflow Relationships (PDF; 146 KB) - Report by Kara Ferguson (2017) summarizing the relationship between snowmelt and peak streamflow timing on rivers throughout Idaho.


Select Snow-Stream Comparison Graphs:

Panhandle Region

Moyie River

North Fork Coeur d'Alene River

St. Joe River

Clearwater River Basin

Selway River

Lochsa River

Salmon River Basin

Salmon River above Salmon

Middle Fork Salmon River

South Fork Salmon River

Weiser, Payette, and Boise River Basins

South Fork Payette River

Deadwood River

Boise River (Twin Springs)

South Fork Boise River

Wood and Lost River Basins

Big Lost River

Big Wood River

Little Wood River

Upper Snake River Basins

Teton River

Southside Snake River Basins

Owyhee River

Salmon Falls Creek

Bruneau River


Snowmelt-Streamflow comparison graphs on this page are provided by the U.S. Bureau of Reclamation, all western US graphs can be accessed here.