"Eventually, all things merge into one, and a river runs through it."
- Norman Maclean
Planning your fishing day? Follow the links below for up-to-date information on river flows, how full the reservoirs are, water temperature, oxygen levels, turbidity and more!
If you're looking for Fishing Reports, click here.
HFF Water Quality Data
Water Temperatures | Turbidity (Water Clarity) | Oxygen
Looking for information on water temperatures or turbidity (cloudiness of the river) in real-time? Find data collected by HFF’s water quality monitoring network on the Henry’s Fork and South Fork. Plus, trout thresholds to show if temperatures and oxygen levels are optimal, stressful, or lethal for trout.
HFF Hydrology Data
River Flows | Stream Flows | CFS
COMING SOON: Real-time access to water supply predictions plus streamflow, climate, hydrologic, and water-management data. Made possible by a USBR WaterSMART Applied Science Grant. Until this new tool is launched, receive daily email reports on river flows, reservoir levels, water supply, and climate.
USBR Reservoir Data
Reservoirs | Water Supply | Island Park Dam
How much water is currently in eastern Idaho's reservoir system? The U.S. Bureau of Reclamation (USBR) "teacup" diagram shows current reservoir levels across the Upper Snake River Basin.