Missouri River at Canyon Ferry Reservoir
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
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Observed (OBS) 04/01/2025 6:00 PM MDTCATEGORY STAGE 
Action 3800 ft Reliability of the Forecast:
NOTE: Forecasts are not available. Only observed stages are available for this point.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Flood Impacts
- 3800 - At 3800 Feet...Canyon Ferry Reservoir would start to flood. (June 2017)
- 3797 - At 3797 Feet...Canyon Ferry Reservoir is full. It becomes a pass thru. (June 2017)
- 3782 - Per Bureau of Reclamation, water levels below 3782 feet make lauching of a boat too low to safely launch a boat at Silos South Ramp boat launch location. (April 2018)
Gauge Location
Gauge Photos
No Images Found
Probability Information
No Images Available
Collaborative Agencies
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
Resources
Hydrologic Resource Links
- River Forecast Centers
- Text Products
- Past Precipitation
- Forecast Precipitation
- MBRFC - Missouri Basin River Forecast Center
- Upper Missouri Reservoir Inflow Forecasts
- Milk River Reservoir Inflow Forecasts
- Water Supply Outlook for the Missouri Basin
- Great Falls Hydrograph Composite
- Montana East of Divide Hydrograph Composite
- Glossary
- <font color=red><b>Basin Composites - SNOTEL/Flow/Stage</b></font>
- <font color=red><b>CRREL Map of Current Ice Jams</b></font>
Additional Resource Links
- NWS Precipitation and River Forecasting
- Area Hydrographs
- NWS - Great Falls Home Page
- USGS - Montana Daily Streamflow Conditions
- NRCS - Current Snow and Precipitation Data
- NOHRSC - Snow Information
- Montana Drought Information
- NOAA Drought Information Center
- Montana Ice Jam Awareness
- <font color=red><b>Flood Safety Awareness Week March 14-19, 2016</b></font>
- Video: <i>USGS Streamgages - The Silent Superheroes</i>
- FEMA National Flood Insurance Program