Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
Hydrograph River at a Glance Download
Snake River (WA) at Lower Granite Forebay Elevation (ft)Observed: 736.65 ft at 4:00AM Feb 13, 2020Observed: 736.59 ft at 5:00AM Feb 13, 2020Observed: 736.36 ft at 6:00AM Feb 13, 2020Observed: 736.35 ft at 7:00AM Feb 13, 2020Observed: 736.18 ft at 8:00AM Feb 13, 2020Observed: 735.95 ft at 9:00AM Feb 13, 2020Observed: 735.95 ft at 10:00AM Feb 13, 2020Observed: 736.08 ft at 11:00AM Feb 13, 2020Observed: 736.03 ft at 12:00PM Feb 13, 2020Observed: 736.31 ft at 1:00PM Feb 13, 2020Observed: 736.51 ft at 2:00PM Feb 13, 2020Observed: 736.52 ft at 3:00PM Feb 13, 2020Observed: 736.76 ft at 4:00PM Feb 13, 2020Observed: 736.79 ft at 5:00PM Feb 13, 2020Observed: 736.49 ft at 6:00PM Feb 13, 2020Observed: 736.53 ft at 7:00PM Feb 13, 2020Observed: 736.39 ft at 8:00PM Feb 13, 2020Observed: 736.14 ft at 9:00PM Feb 13, 2020Observed: 736.12 ft at 10:00PM Feb 13, 2020Observed: 736.25 ft at 11:00PM Feb 13, 2020Observed: 736.31 ft at 12:00AM Feb 14, 2020Observed: 736.44 ft at 1:00AM Feb 14, 2020Observed: 736.67 ft at 2:00AM Feb 14, 2020Observed: 736.77 ft at 3:00AM Feb 14, 2020Observed: 736.79 ft at 4:00AM Feb 14, 2020Observed: 736.85 ft at 5:00AM Feb 14, 2020Observed: 736.58 ft at 6:00AM Feb 14, 2020Observed: 736.44 ft at 7:00AM Feb 14, 2020Observed: 736.28 ft at 8:00AM Feb 14, 2020Observed: 735.99 ft at 9:00AM Feb 14, 2020Observed: 735.99 ft at 10:00AM Feb 14, 2020Observed: 736.05 ft at 11:00AM Feb 14, 2020Observed: 736.19 ft at 12:00PM Feb 14, 2020Observed: 736.34 ft at 1:00PM Feb 14, 2020Observed: 736.54 ft at 2:00PM Feb 14, 2020Observed: 736.71 ft at 3:00PM Feb 14, 2020Observed: 736.84 ft at 4:00PM Feb 14, 2020Observed: 736.76 ft at 5:00PM Feb 14, 2020Observed: 736.59 ft at 6:00PM Feb 14, 2020Observed: 736.54 ft at 7:00PM Feb 14, 2020Observed: 736.31 ft at 8:00PM Feb 14, 2020Observed: 736.16 ft at 9:00PM Feb 14, 2020Observed: 736.15 ft at 10:00PM Feb 14, 2020Observed: 736.16 ft at 11:00PM Feb 14, 2020Observed: 736.12 ft at 12:00AM Feb 15, 2020Observed: 736.17 ft at 1:00AM Feb 15, 2020Observed: 736.4 ft at 2:00AM Feb 15, 2020Observed: 736.38 ft at 3:00AM Feb 15, 2020Observed: 736.42 ft at 4:00AM Feb 15, 2020Observed: 736.51 ft at 5:00AM Feb 15, 2020Observed: 736.46 ft at 6:00AM Feb 15, 2020Observed: 736.12 ft at 7:00AM Feb 15, 2020Observed: 736.06 ft at 8:00AM Feb 15, 2020Observed: 735.86 ft at 9:00AM Feb 15, 2020Observed: 735.56 ft at 10:00AM Feb 15, 2020Observed: 735.62 ft at 11:00AM Feb 15, 2020Observed: 735.86 ft at 12:00PM Feb 15, 2020Observed: 735.79 ft at 1:00PM Feb 15, 2020Observed: 736.09 ft at 2:00PM Feb 15, 2020Observed: 736.4 ft at 3:00PM Feb 15, 2020Observed: 736.46 ft at 4:00PM Feb 15, 2020Observed: 736.22 ft at 5:00PM Feb 15, 2020Observed: 736.38 ft at 6:00PM Feb 15, 2020Observed: 736.2 ft at 7:00PM Feb 15, 2020Observed: 735.9 ft at 8:00PM Feb 15, 2020Observed: 735.97 ft at 9:00PM Feb 15, 2020Observed: 735.89 ft at 10:00PM Feb 15, 2020Observed: 735.92 ft at 11:00PM Feb 15, 2020Observed: 736.04 ft at 12:00AM Feb 16, 2020Observed: 736.13 ft at 1:00AM Feb 16, 2020Observed: 736.24 ft at 2:00AM Feb 16, 2020Observed: 736.34 ft at 3:00AM Feb 16, 2020Observed: 736.42 ft at 4:00AM Feb 16, 2020Observed: 736.49 ft at 5:00AM Feb 16, 2020Observed: 736.55 ft at 6:00AM Feb 16, 2020Observed: 736.65 ft at 7:00AM Feb 16, 2020Observed: 736.74 ft at 8:00AM Feb 16, 2020Observed: 736.8 ft at 9:00AM Feb 16, 2020Observed: 736.89 ft at 10:00AM Feb 16, 2020Observed: 737.02 ft at 11:00AM Feb 16, 2020Observed: 737.19 ft at 12:00PM Feb 16, 2020Observed: 737.31 ft at 1:00PM Feb 16, 2020Highest Observation: 737.54 ft at 2:00PM Feb 16, 2020Observed: 737.53 ft at 3:00PM Feb 16, 2020Observed: 737.41 ft at 4:00PM Feb 16, 2020Observed: 737.32 ft at 5:00PM Feb 16, 2020Observed: 737.08 ft at 6:00PM Feb 16, 2020Observed: 736.85 ft at 7:00PM Feb 16, 2020Observed: 736.68 ft at 8:00PM Feb 16, 2020Observed: 736.62 ft at 9:00PM Feb 16, 2020Observed: 736.56 ft at 10:00PM Feb 16, 2020Observed: 736.53 ft at 11:00PM Feb 16, 2020Observed: 736.66 ft at 12:00AM Feb 17, 2020Observed: 736.73 ft at 1:00AM Feb 17, 2020Observed: 736.82 ft at 2:00AM Feb 17, 2020Observed: 737.02 ft at 3:00AM Feb 17, 2020Observed: 737.1 ft at 4:00AM Feb 17, 2020Observed: 736.93 ft at 5:00AM Feb 17, 2020Observed: 736.68 ft at 6:00AM Feb 17, 2020Observed: 736.54 ft at 7:00AM Feb 17, 2020Observed: 736.2 ft at 8:00AM Feb 17, 2020Observed: 735.9 ft at 9:00AM Feb 17, 2020Observed: 735.94 ft at 10:00AM Feb 17, 2020Observed: 735.94 ft at 11:00AM Feb 17, 2020Observed: 735.95 ft at 12:00PM Feb 17, 2020Observed: 736.15 ft at 1:00PM Feb 17, 2020Observed: 736.31 ft at 2:00PM Feb 17, 2020Observed: 736.33 ft at 3:00PM Feb 17, 2020Observed: 736.38 ft at 4:00PM Feb 17, 2020Observed: 736.32 ft at 5:00PM Feb 17, 2020Observed: 736.07 ft at 6:00PM Feb 17, 2020Observed: 735.91 ft at 7:00PM Feb 17, 2020Observed: 735.66 ft at 8:00PM Feb 17, 2020Observed: 735.55 ft at 9:00PM Feb 17, 2020Observed: 735.57 ft at 10:00PM Feb 17, 2020Observed: 735.61 ft at 11:00PM Feb 17, 2020Observed: 735.64 ft at 12:00AM Feb 18, 2020Observed: 735.75 ft at 1:00AM Feb 18, 2020Observed: 735.81 ft at 2:00AM Feb 18, 2020Observed: 735.82 ft at 3:00AM Feb 18, 2020Observed: 735.88 ft at 4:00AM Feb 18, 2020Observed: 735.9 ft at 5:00AM Feb 18, 2020Observed: 735.84 ft at 6:00AM Feb 18, 2020Observed: 735.81 ft at 7:00AM Feb 18, 2020Observed: 735.8 ft at 8:00AM Feb 18, 2020Observed: 735.77 ft at 9:00AM Feb 18, 2020Observed: 735.9 ft at 10:00AM Feb 18, 2020Observed: 736.2 ft at 11:00AM Feb 18, 2020Observed: 736.3 ft at 12:00PM Feb 18, 2020Observed: 736.4 ft at 1:00PM Feb 18, 2020Observed: 736.5 ft at 2:00PM Feb 18, 2020Observed: 736.63 ft at 3:00PM Feb 18, 2020Observed: 736.45 ft at 4:00PM Feb 18, 2020Observed: 736.51 ft at 5:00PM Feb 18, 2020Observed: 736.3 ft at 6:00PM Feb 18, 2020Observed: 735.89 ft at 7:00PM Feb 18, 2020Observed: 735.75 ft at 8:00PM Feb 18, 2020Observed: 735.51 ft at 9:00PM Feb 18, 2020Observed: 735.38 ft at 10:00PM Feb 18, 2020Observed: 735.45 ft at 11:00PM Feb 18, 2020Observed: 735.48 ft at 12:00AM Feb 19, 2020Observed: 735.69 ft at 1:00AM Feb 19, 2020Observed: 735.84 ft at 2:00AM Feb 19, 2020Observed: 735.97 ft at 3:00AM Feb 19, 2020Observed: 736.11 ft at 4:00AM Feb 19, 2020Observed: 736.07 ft at 5:00AM Feb 19, 2020Observed: 735.93 ft at 6:00AM Feb 19, 2020Observed: 735.75 ft at 7:00AM Feb 19, 2020Observed: 735.54 ft at 8:00AM Feb 19, 2020Observed: 735.31 ft at 9:00AM Feb 19, 2020Observed: 735.23 ft at 10:00AM Feb 19, 2020Observed: 735.26 ft at 11:00AM Feb 19, 2020Observed: 735.29 ft at 12:00PM Feb 19, 2020Observed: 735.53 ft at 1:00PM Feb 19, 2020Observed: 735.69 ft at 2:00PM Feb 19, 2020Observed: 735.88 ft at 3:00PM Feb 19, 2020Observed: 736.09 ft at 4:00PM Feb 19, 2020Observed: 736.01 ft at 5:00PM Feb 19, 2020Observed: 735.98 ft at 6:00PM Feb 19, 2020Observed: 735.96 ft at 7:00PM Feb 19, 2020Observed: 735.79 ft at 8:00PM Feb 19, 2020Observed: 735.72 ft at 9:00PM Feb 19, 2020Observed: 735.79 ft at 10:00PM Feb 19, 2020Observed: 735.87 ft at 11:00PM Feb 19, 2020Observed: 736.2 ft at 1:00AM Feb 20, 2020Observed: 736.34 ft at 2:00AM Feb 20, 2020Highest Forecast: 735.23 ft 4:00AM Feb 20, 2020Highest Forecast: 735.23 ft 10:00AM Feb 20, 2020Highest Forecast: 735.23 ft 4:00PM Feb 20, 2020Highest Forecast: 735.23 ft 10:00PM Feb 20, 2020Highest Forecast: 735.23 ft 4:00AM Feb 21, 2020Highest Forecast: 735.23 ft 10:00AM Feb 21, 2020Highest Forecast: 735.23 ft 4:00PM Feb 21, 2020Highest Forecast: 735.23 ft 10:00PM Feb 21, 2020Highest Forecast: 735.23 ft 4:00AM Feb 22, 2020Highest Forecast: 735.23 ft 10:00AM Feb 22, 2020Highest Forecast: 735.23 ft 4:00PM Feb 22, 2020Highest Forecast: 735.23 ft 10:00PM Feb 22, 2020Highest Forecast: 735.23 ft 4:00AM Feb 23, 2020Highest Forecast: 735.23 ft 10:00AM Feb 23, 2020Highest Forecast: 735.23 ft 4:00PM Feb 23, 2020Highest Forecast: 735.23 ft 10:00PM Feb 23, 2020Highest Forecast: 735.23 ft 4:00AM Feb 24, 2020Highest Forecast: 735.23 ft 10:00AM Feb 24, 2020Highest Forecast: 735.23 ft 4:00PM Feb 24, 2020Highest Forecast: 735.23 ft 10:00PM Feb 24, 2020Highest Forecast: 735.23 ft 4:00AM Feb 25, 2020Highest Forecast: 735.23 ft 10:00AM Feb 25, 2020Highest Forecast: 735.23 ft 4:00PM Feb 25, 2020Highest Forecast: 735.23 ft 10:00PM Feb 25, 2020Highest Forecast: 735.23 ft 4:00AM Feb 26, 2020Highest Forecast: 735.23 ft 10:00AM Feb 26, 2020Highest Forecast: 735.23 ft 4:00PM Feb 26, 2020Highest Forecast: 735.23 ft 10:00PM Feb 26, 2020US Army Corps of EngineersLGDW1(plotting HFIRX) Graph Created (3:31AM Feb 20, 2020)ObservedForecast (issued 3:43PM Feb 19)Latest observed value: 736.34 ft at 2:00 AM PST 20-Feb-2020.
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the Snake River (WA) at Lower Granite are issued routinely year-round.

Return to Area Map
Upstream Gauge - near Anatone Upstream Gauge Downstream Gauge Downstream Gauge - at Little Goose Dam
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 0

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:9
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 46.650000° N, Longitude: 117.410000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
Spokane Weather Forecast Office
2601 N. Rambo Rd.
Spokane, WA 99224
(509) 244-0110
Ask Questions/Webmaster
Page last modified: 4-Mar-2019 11:27 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities