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Hydrograph River at a Glance Download
Snake River near Alpine Stage (ft)Flow (kcfs)Highest Observation: 2.93 ft at 7:15AM Jan 22, 2021Highest Observation: 2.93 ft at 7:30AM Jan 22, 2021Highest Observation: 2.93 ft at 7:45AM Jan 22, 2021Highest Observation: 2.93 ft at 8:00AM Jan 22, 2021Highest Observation: 2.93 ft at 8:15AM Jan 22, 2021Observed: 2.92 ft at 8:30AM Jan 22, 2021Observed: 2.92 ft at 8:45AM Jan 22, 2021Observed: 2.92 ft at 9:00AM Jan 22, 2021Observed: 2.91 ft at 9:15AM Jan 22, 2021Observed: 2.91 ft at 9:30AM Jan 22, 2021Observed: 2.91 ft at 9:45AM Jan 22, 2021Observed: 2.91 ft at 10:00AM Jan 22, 2021Observed: 2.91 ft at 10:15AM Jan 22, 2021Observed: 2.91 ft at 10:30AM Jan 22, 2021Observed: 2.91 ft at 10:45AM Jan 22, 2021Observed: 2.91 ft at 11:00AM Jan 22, 2021Observed: 2.9 ft at 11:15AM Jan 22, 2021Observed: 2.9 ft at 11:30AM Jan 22, 2021Observed: 2.9 ft at 11:45AM Jan 22, 2021Observed: 2.9 ft at 12:00PM Jan 22, 2021Observed: 2.89 ft at 12:15PM Jan 22, 2021Observed: 2.9 ft at 12:30PM Jan 22, 2021Observed: 2.89 ft at 12:45PM Jan 22, 2021Observed: 2.9 ft at 1:00PM Jan 22, 2021Observed: 2.9 ft at 1:15PM Jan 22, 2021Observed: 2.89 ft at 1:30PM Jan 22, 2021Observed: 2.89 ft at 1:45PM Jan 22, 2021Observed: 2.89 ft at 2:00PM Jan 22, 2021Observed: 2.89 ft at 2:15PM Jan 22, 2021Observed: 2.89 ft at 2:30PM Jan 22, 2021Observed: 2.88 ft at 2:45PM Jan 22, 2021Observed: 2.88 ft at 3:00PM Jan 22, 2021Observed: 2.89 ft at 3:15PM Jan 22, 2021Observed: 2.88 ft at 3:30PM Jan 22, 2021Observed: 2.88 ft at 3:45PM Jan 22, 2021Observed: 2.88 ft at 4:00PM Jan 22, 2021Observed: 2.89 ft at 4:15PM Jan 22, 2021Observed: 2.88 ft at 4:30PM Jan 22, 2021Observed: 2.88 ft at 4:45PM Jan 22, 2021Observed: 2.88 ft at 5:00PM Jan 22, 2021Observed: 2.88 ft at 5:15PM Jan 22, 2021Observed: 2.88 ft at 5:30PM Jan 22, 2021Observed: 2.88 ft at 5:45PM Jan 22, 2021Observed: 2.88 ft at 6:00PM Jan 22, 2021Observed: 2.88 ft at 6:30PM Jan 22, 2021Observed: 2.84 ft at 6:45PM Jan 22, 2021Observed: 2.87 ft at 7:00PM Jan 22, 2021Observed: 2.88 ft at 7:15PM Jan 22, 2021Observed: 2.88 ft at 7:30PM Jan 22, 2021Observed: 2.88 ft at 7:45PM Jan 22, 2021Observed: 2.87 ft at 8:45PM Jan 22, 2021Observed: 2.88 ft at 9:00PM Jan 22, 2021Observed: 2.88 ft at 9:15PM Jan 22, 2021Observed: 2.88 ft at 9:30PM Jan 22, 2021Observed: 2.87 ft at 9:45PM Jan 22, 2021Observed: 2.87 ft at 10:00PM Jan 22, 2021Observed: 2.88 ft at 10:15PM Jan 22, 2021Observed: 2.88 ft at 10:30PM Jan 22, 2021Observed: 2.88 ft at 10:45PM Jan 22, 2021Observed: 2.87 ft at 11:00PM Jan 22, 2021Observed: 2.87 ft at 11:15PM Jan 22, 2021Observed: 2.87 ft at 11:30PM Jan 22, 2021Observed: 2.87 ft at 11:45PM Jan 22, 2021Observed: 2.87 ft at 12:00AM Jan 23, 2021Observed: 2.87 ft at 12:15AM Jan 23, 2021Observed: 2.88 ft at 12:30AM Jan 23, 2021Observed: 2.88 ft at 12:45AM Jan 23, 2021Observed: 2.88 ft at 1:00AM Jan 23, 2021Observed: 2.88 ft at 1:15AM Jan 23, 2021Observed: 2.88 ft at 1:30AM Jan 23, 2021Observed: 2.88 ft at 1:45AM Jan 23, 2021Observed: 2.88 ft at 2:00AM Jan 23, 2021Observed: 2.87 ft at 2:15AM Jan 23, 2021Observed: 2.87 ft at 2:30AM Jan 23, 2021Observed: 2.88 ft at 2:45AM Jan 23, 2021Observed: 2.87 ft at 3:00AM Jan 23, 2021Observed: 2.87 ft at 3:15AM Jan 23, 2021Observed: 2.88 ft at 3:30AM Jan 23, 2021Observed: 2.87 ft at 3:45AM Jan 23, 2021Observed: 2.87 ft at 4:00AM Jan 23, 2021Observed: 2.88 ft at 4:15AM Jan 23, 2021Observed: 2.88 ft at 4:30AM Jan 23, 2021Observed: 2.88 ft at 4:45AM Jan 23, 2021Observed: 2.88 ft at 5:00AM Jan 23, 2021Observed: 2.88 ft at 5:15AM Jan 23, 2021Observed: 2.88 ft at 5:30AM Jan 23, 2021Observed: 2.88 ft at 5:45AM Jan 23, 2021Observed: 2.89 ft at 6:00AM Jan 23, 2021Observed: 2.84 ft at 8:15PM Jan 24, 2021Observed: 2.83 ft at 8:30PM Jan 24, 2021Observed: 2.83 ft at 8:45PM Jan 24, 2021Observed: 2.84 ft at 9:00PM Jan 24, 2021Observed: 2.84 ft at 9:15PM Jan 24, 2021Observed: 2.84 ft at 9:30PM Jan 24, 2021Observed: 2.84 ft at 9:45PM Jan 24, 2021Observed: 2.85 ft at 10:00PM Jan 24, 2021Observed: 2.85 ft at 10:15PM Jan 24, 2021Observed: 2.85 ft at 10:30PM Jan 24, 2021Observed: 2.86 ft at 10:45PM Jan 24, 2021Observed: 2.86 ft at 11:00PM Jan 24, 2021Observed: 2.86 ft at 11:15PM Jan 24, 2021Observed: 2.86 ft at 11:30PM Jan 24, 2021Observed: 2.86 ft at 11:45PM Jan 24, 2021Observed: 2.86 ft at 12:00AM Jan 25, 2021Observed: 2.86 ft at 12:15AM Jan 25, 2021Observed: 2.86 ft at 12:30AM Jan 25, 2021Observed: 2.86 ft at 12:45AM Jan 25, 2021Observed: 2.86 ft at 1:00AM Jan 25, 2021Observed: 2.85 ft at 1:15AM Jan 25, 2021Observed: 2.86 ft at 1:30AM Jan 25, 2021Observed: 2.85 ft at 1:45AM Jan 25, 2021Observed: 2.85 ft at 2:00AM Jan 25, 2021Observed: 2.85 ft at 2:15AM Jan 25, 2021Observed: 2.85 ft at 2:30AM Jan 25, 2021Observed: 2.85 ft at 2:45AM Jan 25, 2021Observed: 2.85 ft at 3:00AM Jan 25, 2021Observed: 2.85 ft at 3:15AM Jan 25, 2021Observed: 2.86 ft at 3:30AM Jan 25, 2021Observed: 2.86 ft at 3:45AM Jan 25, 2021Observed: 2.87 ft at 4:30AM Jan 25, 2021Observed: 2.86 ft at 5:30AM Jan 25, 2021Observed: 2.86 ft at 6:00AM Jan 25, 2021Observed: 2.85 ft at 6:15AM Jan 25, 2021Observed: 2.85 ft at 6:30AM Jan 25, 2021Observed: 2.84 ft at 6:45AM Jan 25, 2021Observed: 2.84 ft at 7:00AM Jan 25, 2021Observed: 2.84 ft at 7:15AM Jan 25, 2021Observed: 2.83 ft at 7:30AM Jan 25, 2021Observed: 2.83 ft at 7:45AM Jan 25, 2021Observed: 2.82 ft at 8:00AM Jan 25, 2021Observed: 2.82 ft at 8:15AM Jan 25, 2021Observed: 2.82 ft at 8:30AM Jan 25, 2021Observed: 2.82 ft at 8:45AM Jan 25, 2021Observed: 2.81 ft at 9:00AM Jan 25, 2021Observed: 2.82 ft at 9:15AM Jan 25, 2021Observed: 2.81 ft at 9:30AM Jan 25, 2021Observed: 2.81 ft at 9:45AM Jan 25, 2021Observed: 2.81 ft at 10:00AM Jan 25, 2021Observed: 2.8 ft at 10:15AM Jan 25, 2021Observed: 2.8 ft at 10:30AM Jan 25, 2021Observed: 2.74 ft at 10:00AM Jan 26, 2021Observed: 2.74 ft at 10:15AM Jan 26, 2021Observed: 2.74 ft at 10:30AM Jan 26, 2021Observed: 2.73 ft at 10:45AM Jan 26, 2021Observed: 2.73 ft at 11:00AM Jan 26, 2021Observed: 2.74 ft at 11:15AM Jan 26, 2021Observed: 2.74 ft at 11:30AM Jan 26, 2021Observed: 2.74 ft at 11:45AM Jan 26, 2021Observed: 2.74 ft at 12:00PM Jan 26, 2021Observed: 2.74 ft at 12:15PM Jan 26, 2021Observed: 2.75 ft at 12:30PM Jan 26, 2021Observed: 2.77 ft at 12:45PM Jan 26, 2021Observed: 2.79 ft at 1:00PM Jan 26, 2021Observed: 2.81 ft at 1:15PM Jan 26, 2021Observed: 2.82 ft at 1:30PM Jan 26, 2021Observed: 2.81 ft at 1:45PM Jan 26, 2021Observed: 2.82 ft at 2:00PM Jan 26, 2021Observed: 2.8 ft at 2:15PM Jan 26, 2021Observed: 2.79 ft at 2:30PM Jan 26, 2021Observed: 2.8 ft at 2:45PM Jan 26, 2021Observed: 2.8 ft at 3:00PM Jan 26, 2021Observed: 2.8 ft at 3:15PM Jan 26, 2021Observed: 2.81 ft at 3:30PM Jan 26, 2021Observed: 2.81 ft at 3:45PM Jan 26, 2021Observed: 2.81 ft at 4:00PM Jan 26, 2021Observed: 2.82 ft at 4:15PM Jan 26, 2021Observed: 2.83 ft at 4:30PM Jan 26, 2021Observed: 2.83 ft at 4:45PM Jan 26, 2021Observed: 2.83 ft at 5:00PM Jan 26, 2021Observed: 2.84 ft at 5:15PM Jan 26, 2021Observed: 2.85 ft at 5:30PM Jan 26, 2021Observed: 2.85 ft at 5:45PM Jan 26, 2021Observed: 2.86 ft at 6:00PM Jan 26, 2021Observed: 2.87 ft at 6:15PM Jan 26, 2021Observed: 2.87 ft at 6:30PM Jan 26, 2021Observed: 2.87 ft at 6:45PM Jan 26, 2021Observed: 2.87 ft at 7:00PM Jan 26, 2021Observed: 2.87 ft at 7:15PM Jan 26, 2021Observed: 2.87 ft at 7:30PM Jan 26, 2021Observed: 2.87 ft at 7:45PM Jan 26, 2021Observed: 2.85 ft at 8:00PM Jan 26, 2021Observed: 2.86 ft at 8:15PM Jan 26, 2021Observed: 2.86 ft at 8:30PM Jan 26, 2021Observed: 2.85 ft at 8:45PM Jan 26, 2021Observed: 2.84 ft at 9:00PM Jan 26, 2021Observed: 2.84 ft at 9:15PM Jan 26, 2021Observed: 2.84 ft at 9:30PM Jan 26, 2021Observed: 2.84 ft at 9:45PM Jan 26, 2021Observed: 2.84 ft at 10:00PM Jan 26, 2021Observed: 2.84 ft at 10:15PM Jan 26, 2021Observed: 2.84 ft at 10:30PM Jan 26, 2021Observed: 2.84 ft at 10:45PM Jan 26, 2021Observed: 2.85 ft at 11:00PM Jan 26, 2021Observed: 2.86 ft at 11:15PM Jan 26, 2021Observed: 2.86 ft at 11:30PM Jan 26, 2021Observed: 2.87 ft at 11:45PM Jan 26, 2021Observed: 2.87 ft at 12:00AM Jan 27, 2021Observed: 2.88 ft at 12:15AM Jan 27, 2021Observed: 2.89 ft at 12:45AM Jan 27, 2021Observed: 2.88 ft at 1:00AM Jan 27, 2021Observed: 2.89 ft at 1:15AM Jan 27, 2021Observed: 2.88 ft at 2:00AM Jan 27, 2021Observed: 2.88 ft at 2:15AM Jan 27, 2021Observed: 2.89 ft at 2:30AM Jan 27, 2021Observed: 2.89 ft at 2:45AM Jan 27, 2021Observed: 2.89 ft at 3:00AM Jan 27, 2021Observed: 2.89 ft at 3:15AM Jan 27, 2021Observed: 2.89 ft at 3:30AM Jan 27, 2021Observed: 2.89 ft at 3:45AM Jan 27, 2021Observed: 2.9 ft at 4:00AM Jan 27, 2021Observed: 2.91 ft at 4:15AM Jan 27, 2021Observed: 2.92 ft at 4:30AM Jan 27, 2021Observed: 2.92 ft at 4:45AM Jan 27, 2021Observed: 2.92 ft at 5:00AM Jan 27, 2021Observed: 2.92 ft at 5:15AM Jan 27, 2021Highest Observation: 2.93 ft at 5:30AM Jan 27, 2021Observed: 2.92 ft at 5:45AM Jan 27, 2021Observed: 2.92 ft at 6:00AM Jan 27, 2021Observed: 2.91 ft at 6:15AM Jan 27, 2021Observed: 2.9 ft at 6:30AM Jan 27, 2021Highest Forecast: 2.79 ft 11:00AM Jan 27, 2021Highest Forecast: 2.79 ft 5:00PM Jan 27, 2021Highest Forecast: 2.79 ft 11:00PM Jan 27, 2021Highest Forecast: 2.79 ft 5:00AM Jan 28, 2021Highest Forecast: 2.79 ft 11:00AM Jan 28, 2021Highest Forecast: 2.79 ft 5:00PM Jan 28, 2021Highest Forecast: 2.79 ft 11:00PM Jan 28, 2021Highest Forecast: 2.79 ft 5:00AM Jan 29, 2021Highest Forecast: 2.79 ft 11:00AM Jan 29, 2021Highest Forecast: 2.79 ft 5:00PM Jan 29, 2021Highest Forecast: 2.79 ft 11:00PM Jan 29, 2021Highest Forecast: 2.79 ft 5:00AM Jan 30, 2021Highest Forecast: 2.79 ft 11:00AM Jan 30, 2021Highest Forecast: 2.79 ft 5:00PM Jan 30, 2021Forecast: 2.78 ft 11:00PM Jan 30, 2021Forecast: 2.78 ft 5:00AM Jan 31, 2021Forecast: 2.78 ft 11:00AM Jan 31, 2021Forecast: 2.78 ft 5:00PM Jan 31, 2021Forecast: 2.78 ft 11:00PM Jan 31, 2021Forecast: 2.78 ft 5:00AM Feb 01, 2021USGS--Water Resources of the United StatesALPW4(plotting HGIRG) Graph Created (7:04AM Jan 27, 2021)ObservedForecast (issued 4:04PM Jan 26)Latest observed value: 2.9 ft at 6:30 AM MST 27-Jan-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NGVD29
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Snake River near Alpine are issued routinely year-round.

Vertical datum height surveyed by the USGS

Return to Area Map
Upstream Gauge - near Jackson Upstream Gauge Downstream Gauge Downstream Gauge - near Irwin
Flood Categories (in feet)
Not Available

Historic Crests
(1) 38,600 cfs on 06/11/1997
(2) 31,600 cfs on 06/11/1996
(3) 31,300 cfs on 06/08/2017
(4) 28,600 cfs on 06/19/1974
(5) 27,300 cfs on 06/01/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17,800 cfs on 06/08/2019
(2) 27,300 cfs on 06/01/2018
(3) 31,300 cfs on 06/08/2017
(4) 15,700 cfs on 06/10/2016
(5) 17,600 cfs on 06/02/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:11
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
14.04 Record stage and flow---38,600 cfs (6/11/1997).
Photos
(1) Looking Upstream---Moderate Flow
(2) Looking Downstream---Moderate Flow
About This Location Collapse

Latitude: 43.196111° N, Longitude: 110.889444° 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 5683.9 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

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
Riverton Weather Forecast Office
12744 West U.S. Highway 26
Riverton, WY 82501
(307) 857-3898
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