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Hydrograph River at a Glance Download
Snake River at Blackfoot Stage (ft)Flow (cfs)Observed: 5.09 ft at 2:30PM Feb 15, 2020Observed: 5.12 ft at 2:45PM Feb 15, 2020Observed: 5.14 ft at 3:00PM Feb 15, 2020Observed: 5.16 ft at 3:15PM Feb 15, 2020Observed: 5.17 ft at 3:30PM Feb 15, 2020Observed: 5.19 ft at 3:45PM Feb 15, 2020Observed: 5.21 ft at 4:00PM Feb 15, 2020Observed: 5.25 ft at 4:15PM Feb 15, 2020Observed: 5.25 ft at 4:30PM Feb 15, 2020Observed: 5.28 ft at 4:45PM Feb 15, 2020Highest Observation: 5.29 ft at 5:00PM Feb 15, 2020Highest Observation: 5.29 ft at 5:15PM Feb 15, 2020Highest Observation: 5.29 ft at 5:30PM Feb 15, 2020Observed: 5.27 ft at 5:45PM Feb 15, 2020Observed: 5.25 ft at 6:00PM Feb 15, 2020Observed: 5.26 ft at 6:15PM Feb 15, 2020Observed: 5.25 ft at 6:30PM Feb 15, 2020Observed: 5.21 ft at 6:45PM Feb 15, 2020Observed: 5.2 ft at 7:00PM Feb 15, 2020Observed: 5.19 ft at 7:15PM Feb 15, 2020Observed: 5.16 ft at 7:30PM Feb 15, 2020Observed: 5.18 ft at 7:45PM Feb 15, 2020Observed: 5.15 ft at 8:00PM Feb 15, 2020Observed: 5.15 ft at 8:15PM Feb 15, 2020Observed: 5.14 ft at 8:30PM Feb 15, 2020Observed: 5.13 ft at 8:45PM Feb 15, 2020Observed: 5.13 ft at 9:00PM Feb 15, 2020Observed: 5.14 ft at 9:15PM Feb 15, 2020Observed: 5.13 ft at 9:30PM Feb 15, 2020Observed: 5.13 ft at 9:45PM Feb 15, 2020Observed: 5.11 ft at 10:00PM Feb 15, 2020Observed: 5.11 ft at 10:15PM Feb 15, 2020Observed: 5.13 ft at 10:30PM Feb 15, 2020Observed: 5.13 ft at 10:45PM Feb 15, 2020Observed: 5.12 ft at 11:00PM Feb 15, 2020Observed: 5.1 ft at 11:15PM Feb 15, 2020Observed: 5.11 ft at 11:30PM Feb 15, 2020Observed: 5.1 ft at 11:45PM Feb 15, 2020Observed: 5.08 ft at 12:00AM Feb 16, 2020Observed: 5.08 ft at 12:15AM Feb 16, 2020Observed: 5.06 ft at 12:30AM Feb 16, 2020Observed: 5.06 ft at 12:45AM Feb 16, 2020Observed: 5.07 ft at 1:00AM Feb 16, 2020Observed: 5.03 ft at 1:15AM Feb 16, 2020Observed: 5.04 ft at 1:30AM Feb 16, 2020Observed: 5.01 ft at 1:45AM Feb 16, 2020Observed: 5.03 ft at 2:00AM Feb 16, 2020Observed: 5 ft at 2:15AM Feb 16, 2020Observed: 4.99 ft at 2:30AM Feb 16, 2020Observed: 4.98 ft at 2:45AM Feb 16, 2020Observed: 4.98 ft at 3:00AM Feb 16, 2020Observed: 4.99 ft at 3:15AM Feb 16, 2020Observed: 4.99 ft at 3:30AM Feb 16, 2020Observed: 4.99 ft at 3:45AM Feb 16, 2020Observed: 4.97 ft at 4:00AM Feb 16, 2020Observed: 4.97 ft at 4:15AM Feb 16, 2020Observed: 4.97 ft at 4:30AM Feb 16, 2020Observed: 4.98 ft at 4:45AM Feb 16, 2020Observed: 4.97 ft at 5:00AM Feb 16, 2020Observed: 4.98 ft at 5:15AM Feb 16, 2020Observed: 4.97 ft at 5:30AM Feb 16, 2020Observed: 4.97 ft at 5:45AM Feb 16, 2020Observed: 5 ft at 6:00AM Feb 16, 2020Observed: 4.99 ft at 6:15AM Feb 16, 2020Observed: 4.97 ft at 6:30AM Feb 16, 2020Observed: 4.99 ft at 6:45AM Feb 16, 2020Observed: 4.97 ft at 7:00AM Feb 16, 2020Observed: 4.98 ft at 7:15AM Feb 16, 2020Observed: 4.96 ft at 7:30AM Feb 16, 2020Observed: 4.98 ft at 7:45AM Feb 16, 2020Observed: 4.96 ft at 8:00AM Feb 16, 2020Observed: 4.97 ft at 8:15AM Feb 16, 2020Observed: 4.96 ft at 8:30AM Feb 16, 2020Observed: 4.96 ft at 8:45AM Feb 16, 2020Observed: 4.98 ft at 9:00AM Feb 16, 2020Observed: 4.97 ft at 9:15AM Feb 16, 2020Observed: 4.99 ft at 9:30AM Feb 16, 2020Observed: 4.97 ft at 9:45AM Feb 16, 2020Observed: 5 ft at 10:00AM Feb 16, 2020Observed: 4.97 ft at 10:15AM Feb 16, 2020Observed: 4.98 ft at 10:30AM Feb 16, 2020Observed: 5.01 ft at 10:45AM Feb 16, 2020Observed: 4.99 ft at 11:00AM Feb 16, 2020Observed: 4.99 ft at 11:15AM Feb 16, 2020Observed: 5 ft at 11:30AM Feb 16, 2020Observed: 5 ft at 11:45AM Feb 16, 2020Observed: 5.01 ft at 12:00PM Feb 16, 2020Observed: 5 ft at 12:15PM Feb 16, 2020Observed: 5.01 ft at 12:30PM Feb 16, 2020Observed: 5.04 ft at 12:45PM Feb 16, 2020Observed: 5.02 ft at 1:00PM Feb 16, 2020Observed: 5.06 ft at 1:15PM Feb 16, 2020Observed: 5.07 ft at 1:30PM Feb 16, 2020Observed: 5.08 ft at 1:45PM Feb 16, 2020Observed: 5.09 ft at 2:00PM Feb 16, 2020Observed: 5.11 ft at 2:15PM Feb 16, 2020Observed: 5.1 ft at 2:30PM Feb 16, 2020Observed: 5.1 ft at 2:45PM Feb 16, 2020Observed: 5.11 ft at 3:00PM Feb 16, 2020Observed: 5.1 ft at 3:15PM Feb 16, 2020Observed: 5.11 ft at 3:30PM Feb 16, 2020Observed: 5.12 ft at 3:45PM Feb 16, 2020Observed: 5.12 ft at 4:00PM Feb 16, 2020Observed: 5.13 ft at 4:15PM Feb 16, 2020Observed: 5.13 ft at 4:30PM Feb 16, 2020Observed: 5.14 ft at 4:45PM Feb 16, 2020Observed: 5.11 ft at 5:00PM Feb 16, 2020Observed: 5.11 ft at 5:15PM Feb 16, 2020Observed: 5.09 ft at 5:30PM Feb 16, 2020Observed: 5.09 ft at 5:45PM Feb 16, 2020Observed: 5.08 ft at 6:00PM Feb 16, 2020Observed: 5.09 ft at 6:15PM Feb 16, 2020Observed: 5.09 ft at 6:30PM Feb 16, 2020Observed: 5.09 ft at 6:45PM Feb 16, 2020Observed: 5.09 ft at 7:00PM Feb 16, 2020Observed: 5.09 ft at 7:15PM Feb 16, 2020Observed: 5.07 ft at 7:30PM Feb 16, 2020Observed: 5.09 ft at 7:45PM Feb 16, 2020Observed: 5.08 ft at 8:00PM Feb 16, 2020Observed: 5.08 ft at 8:15PM Feb 16, 2020Observed: 5.09 ft at 8:30PM Feb 16, 2020Observed: 5.08 ft at 8:45PM Feb 16, 2020Observed: 5.09 ft at 9:00PM Feb 16, 2020Observed: 5.1 ft at 9:15PM Feb 16, 2020Observed: 5.09 ft at 9:30PM Feb 16, 2020Observed: 5.09 ft at 9:45PM Feb 16, 2020Observed: 5.1 ft at 10:00PM Feb 16, 2020Observed: 5.11 ft at 10:15PM Feb 16, 2020Observed: 5.13 ft at 10:30PM Feb 16, 2020Observed: 5.12 ft at 10:45PM Feb 16, 2020Observed: 5.12 ft at 11:00PM Feb 16, 2020Observed: 5.11 ft at 11:15PM Feb 16, 2020Observed: 5.11 ft at 11:30PM Feb 16, 2020Observed: 5.12 ft at 11:45PM Feb 16, 2020Observed: 5.1 ft at 12:00AM Feb 17, 2020Observed: 5.1 ft at 12:15AM Feb 17, 2020Observed: 5.08 ft at 12:30AM Feb 17, 2020Observed: 5.09 ft at 12:45AM Feb 17, 2020Observed: 5.08 ft at 1:00AM Feb 17, 2020Observed: 5.1 ft at 1:15AM Feb 17, 2020Observed: 5.1 ft at 1:30AM Feb 17, 2020Observed: 5.07 ft at 1:45AM Feb 17, 2020Observed: 5.07 ft at 2:00AM Feb 17, 2020Observed: 5.09 ft at 2:15AM Feb 17, 2020Observed: 5.05 ft at 2:30AM Feb 17, 2020Observed: 5.06 ft at 2:45AM Feb 17, 2020Observed: 5.06 ft at 3:00AM Feb 17, 2020Observed: 5.03 ft at 3:15AM Feb 17, 2020Observed: 5.02 ft at 3:30AM Feb 17, 2020Observed: 5 ft at 3:45AM Feb 17, 2020Observed: 4.98 ft at 4:00AM Feb 17, 2020Observed: 4.96 ft at 4:15AM Feb 17, 2020Observed: 4.96 ft at 4:30AM Feb 17, 2020Observed: 4.97 ft at 4:45AM Feb 17, 2020Observed: 4.99 ft at 5:00AM Feb 17, 2020Observed: 4.97 ft at 5:15AM Feb 17, 2020Observed: 4.99 ft at 5:30AM Feb 17, 2020Observed: 4.98 ft at 5:45AM Feb 17, 2020Observed: 4.98 ft at 6:00AM Feb 17, 2020Observed: 4.99 ft at 6:15AM Feb 17, 2020Observed: 5.01 ft at 6:30AM Feb 17, 2020Observed: 5.01 ft at 6:45AM Feb 17, 2020Observed: 5.03 ft at 7:00AM Feb 17, 2020Observed: 5.04 ft at 7:15AM Feb 17, 2020Observed: 5.04 ft at 7:30AM Feb 17, 2020Observed: 5.04 ft at 7:45AM Feb 17, 2020Observed: 5.07 ft at 8:00AM Feb 17, 2020Observed: 5.09 ft at 8:15AM Feb 17, 2020Observed: 5.08 ft at 8:30AM Feb 17, 2020Observed: 5.11 ft at 8:45AM Feb 17, 2020Observed: 5.1 ft at 9:00AM Feb 17, 2020Observed: 5.09 ft at 9:15AM Feb 17, 2020Observed: 5.12 ft at 9:30AM Feb 17, 2020Observed: 5.12 ft at 9:45AM Feb 17, 2020Observed: 5.1 ft at 10:00AM Feb 17, 2020Observed: 5.12 ft at 10:15AM Feb 17, 2020Observed: 5.11 ft at 10:30AM Feb 17, 2020Observed: 5.1 ft at 10:45AM Feb 17, 2020Observed: 5.12 ft at 11:00AM Feb 17, 2020Observed: 5.1 ft at 11:15AM Feb 17, 2020Observed: 5.09 ft at 11:30AM Feb 17, 2020Observed: 5.09 ft at 11:45AM Feb 17, 2020Observed: 5.11 ft at 12:00PM Feb 17, 2020Observed: 5.11 ft at 12:15PM Feb 17, 2020Observed: 5.09 ft at 12:30PM Feb 17, 2020Observed: 5.08 ft at 12:45PM Feb 17, 2020Observed: 5.09 ft at 1:00PM Feb 17, 2020Observed: 5.08 ft at 1:15PM Feb 17, 2020Observed: 5.07 ft at 1:30PM Feb 17, 2020Observed: 5.06 ft at 1:45PM Feb 17, 2020Observed: 5.08 ft at 2:00PM Feb 17, 2020Observed: 5.09 ft at 2:15PM Feb 17, 2020Observed: 5.09 ft at 2:30PM Feb 17, 2020Observed: 5.11 ft at 2:45PM Feb 17, 2020Observed: 5.12 ft at 3:00PM Feb 17, 2020Observed: 5.16 ft at 3:15PM Feb 17, 2020Observed: 5.15 ft at 3:30PM Feb 17, 2020Observed: 5.18 ft at 3:45PM Feb 17, 2020Observed: 5.19 ft at 4:00PM Feb 17, 2020Observed: 5.2 ft at 4:15PM Feb 17, 2020Observed: 5.22 ft at 4:30PM Feb 17, 2020Observed: 5.21 ft at 4:45PM Feb 17, 2020Observed: 5.22 ft at 5:00PM Feb 17, 2020Observed: 5.18 ft at 5:15PM Feb 17, 2020Observed: 5.19 ft at 5:30PM Feb 17, 2020Observed: 5.15 ft at 5:45PM Feb 17, 2020Observed: 5.13 ft at 6:00PM Feb 17, 2020Observed: 5.12 ft at 6:15PM Feb 17, 2020Observed: 5.11 ft at 6:30PM Feb 17, 2020Observed: 5.09 ft at 6:45PM Feb 17, 2020Observed: 5.07 ft at 7:00PM Feb 17, 2020Observed: 5.06 ft at 7:15PM Feb 17, 2020Observed: 5.04 ft at 7:30PM Feb 17, 2020Observed: 5.04 ft at 7:45PM Feb 17, 2020Observed: 5.04 ft at 8:00PM Feb 17, 2020Observed: 5.03 ft at 8:15PM Feb 17, 2020Observed: 5.02 ft at 8:30PM Feb 17, 2020Observed: 5.02 ft at 8:45PM Feb 17, 2020Observed: 5.03 ft at 9:00PM Feb 17, 2020Observed: 5.03 ft at 9:15PM Feb 17, 2020Observed: 5.03 ft at 9:30PM Feb 17, 2020Observed: 5.03 ft at 9:45PM Feb 17, 2020Observed: 5.03 ft at 10:00PM Feb 17, 2020Observed: 5.04 ft at 10:15PM Feb 17, 2020Observed: 5.04 ft at 10:30PM Feb 17, 2020Observed: 5.05 ft at 10:45PM Feb 17, 2020Observed: 5.04 ft at 11:00PM Feb 17, 2020Observed: 5.04 ft at 11:15PM Feb 17, 2020Observed: 5.05 ft at 11:30PM Feb 17, 2020Observed: 5.06 ft at 11:45PM Feb 17, 2020Observed: 5.07 ft at 12:00AM Feb 18, 2020Observed: 5.07 ft at 12:15AM Feb 18, 2020Observed: 5.07 ft at 12:30AM Feb 18, 2020Observed: 5.06 ft at 12:45AM Feb 18, 2020Observed: 5.08 ft at 1:00AM Feb 18, 2020Observed: 5.07 ft at 1:15AM Feb 18, 2020Observed: 5.06 ft at 1:30AM Feb 18, 2020Observed: 5.06 ft at 1:45AM Feb 18, 2020Observed: 5.08 ft at 2:00AM Feb 18, 2020Observed: 5.07 ft at 2:15AM Feb 18, 2020Highest Forecast: 5.06 ft 5:00AM Feb 18, 2020Forecast: 5.03 ft 11:00AM Feb 18, 2020Forecast: 5.01 ft 5:00PM Feb 18, 2020Forecast: 5 ft 11:00PM Feb 18, 2020Forecast: 4.99 ft 5:00AM Feb 19, 2020Forecast: 4.98 ft 11:00AM Feb 19, 2020Forecast: 4.97 ft 5:00PM Feb 19, 2020Forecast: 4.97 ft 11:00PM Feb 19, 2020Forecast: 4.96 ft 5:00AM Feb 20, 2020Forecast: 4.96 ft 11:00AM Feb 20, 2020Forecast: 4.96 ft 5:00PM Feb 20, 2020Forecast: 4.96 ft 11:00PM Feb 20, 2020Forecast: 4.95 ft 5:00AM Feb 21, 2020Forecast: 4.95 ft 11:00AM Feb 21, 2020Forecast: 4.95 ft 5:00PM Feb 21, 2020Forecast: 4.94 ft 11:00PM Feb 21, 2020Forecast: 4.94 ft 5:00AM Feb 22, 2020Forecast: 4.93 ft 11:00AM Feb 22, 2020Forecast: 4.93 ft 5:00PM Feb 22, 2020Forecast: 4.92 ft 11:00PM Feb 22, 2020Forecast: 4.92 ft 5:00AM Feb 23, 2020Forecast: 4.91 ft 11:00AM Feb 23, 2020Forecast: 4.91 ft 5:00PM Feb 23, 2020Forecast: 4.9 ft 11:00PM Feb 23, 2020Forecast: 4.9 ft 5:00AM Feb 24, 2020Forecast: 4.89 ft 11:00AM Feb 24, 2020Forecast: 4.88 ft 5:00PM Feb 24, 2020Forecast: 4.88 ft 11:00PM Feb 24, 2020USGS--Water Resources of the United StatesSNAI1(plotting HGIRG) Graph Created (3:33AM Feb 18, 2020)ObservedForecast (issued 6:04PM Feb 17)Latest observed value: 5.07 ft at 2:15 AM MST 18-Feb-2020. Flood Stage is 10.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

NOTE: Forecasts for the Snake River at Blackfoot are issued routinely year-round.

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Upstream Gauge - near Shelley Upstream Gauge Downstream Gauge Downstream Gauge - near Blackfoot (Tilden Bridge-Ft. Hall)
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11.5
Flood Stage: 10.5
Action Stage: 9.5
Low Stage (in feet): -9999

Historic Crests
(1) 13.55 ft on 06/17/1997
(2) 12.04 ft on 05/28/2011
(3) 11.26 ft on 06/16/2017
(4) 10.80 ft on 06/04/2018 (P)
(5) 10.74 ft on 06/06/1999
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.80 ft on 06/04/2018 (P)
(2) 11.26 ft on 06/16/2017
(3) 7.11 ft on 05/23/2016
(4) 8.51 ft on 05/18/2015
(5) 7.69 ft on 06/09/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.91 ft on 04/29/1992
Zoom Level:16
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
13.5 or 33684 cfs... Inundation of roads and parking lots will occur in the commercial area near the intersection of U.S. Route 26 and Interstate 15. Water is at least 1 foot above the loading docks at the Ridleys Plaza. Significant flooding of farmland and roads near the river is likely. Major flooding could occur in the Jensen's Grove area that could impact Walmart.
13 or 31412 cfs... Major flooding will occur throughout Bingham County. Major damage will occur on farm ground and water could top over the top of the Highway 26 bridge at Interstate 15.
12.6 or 29629 cfs... Major flooding will occur in the Rose area at the Rose Ponds along Interstate 15, and in the Riverton and Schrader Island area. At 12.0 feet, the water will come over the top of the levee at Rose Ponds.
11.5 or 24882 cfs... Lowland flooding will occur. Flooding is possible along US Highway 26 beneath the Interstate 15 underpass.
11 or 22805 cfs... Minor flooding will occur in the Riverton area and in the Watson slough area.
10.5 or 20781 cfs... Minor lowland flooding will occur along sections of the river from Rose to Blackfoot and downstream from Blackfoot. Water may seep into Jensens Grove.
9.5 or 16900 cfs... Minor flooding will occur near Rose. Minor lowland flooding is possible along the river downstream from Blackfoot.
Photos
(1) SNAI1_googleearth
(2) SNAI1_map
(3) SNAI1_SnakeBlackfoot_gage
(4) SNAI1_SnakeBlackfoot_gage2
(5) SNAI1_looking_downstream
(6) SNAI1_looking_downstream_from_bridge
About This Location Collapse

Latitude: 43.197283° N, Longitude: 112.369297° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 10.5 ft 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 4490 ft 4500 ft  

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
Pocatello Weather Forecast Office
1945 Beechcraft Ave
Pocatello, ID 83204
(208) 232-9306
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