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Hydrograph River at a Glance Download
Eastern Idaho Reservoirs at Mackay Dam Pool (ft)Observed: 34.08 ft at 3:15PM Dec 03, 2021Observed: 34.09 ft at 3:30PM Dec 03, 2021Observed: 34.09 ft at 3:45PM Dec 03, 2021Observed: 34.09 ft at 4:00PM Dec 03, 2021Observed: 34.09 ft at 4:15PM Dec 03, 2021Observed: 34.09 ft at 4:30PM Dec 03, 2021Observed: 34.1 ft at 4:45PM Dec 03, 2021Observed: 34.1 ft at 5:00PM Dec 03, 2021Observed: 34.11 ft at 5:15PM Dec 03, 2021Observed: 34.11 ft at 5:30PM Dec 03, 2021Observed: 34.11 ft at 5:45PM Dec 03, 2021Observed: 34.12 ft at 6:00PM Dec 03, 2021Observed: 34.12 ft at 6:15PM Dec 03, 2021Observed: 34.12 ft at 6:30PM Dec 03, 2021Observed: 34.12 ft at 6:45PM Dec 03, 2021Observed: 34.12 ft at 7:00PM Dec 03, 2021Observed: 34.12 ft at 7:15PM Dec 03, 2021Observed: 34.12 ft at 7:30PM Dec 03, 2021Observed: 34.13 ft at 7:45PM Dec 03, 2021Observed: 34.13 ft at 8:00PM Dec 03, 2021Observed: 34.14 ft at 8:15PM Dec 03, 2021Observed: 34.14 ft at 8:30PM Dec 03, 2021Observed: 34.14 ft at 8:45PM Dec 03, 2021Observed: 34.14 ft at 9:00PM Dec 03, 2021Observed: 34.15 ft at 9:15PM Dec 03, 2021Observed: 34.15 ft at 9:30PM Dec 03, 2021Observed: 34.15 ft at 9:45PM Dec 03, 2021Observed: 34.15 ft at 10:00PM Dec 03, 2021Observed: 34.15 ft at 10:15PM Dec 03, 2021Observed: 34.15 ft at 10:30PM Dec 03, 2021Observed: 34.16 ft at 10:45PM Dec 03, 2021Observed: 34.16 ft at 11:00PM Dec 03, 2021Observed: 34.16 ft at 11:15PM Dec 03, 2021Observed: 34.16 ft at 11:30PM Dec 03, 2021Observed: 34.17 ft at 11:45PM Dec 03, 2021Observed: 34.17 ft at 12:00AM Dec 04, 2021Observed: 34.17 ft at 12:15AM Dec 04, 2021Observed: 34.17 ft at 12:30AM Dec 04, 2021Observed: 34.18 ft at 12:45AM Dec 04, 2021Observed: 34.18 ft at 1:00AM Dec 04, 2021Observed: 34.18 ft at 1:15AM Dec 04, 2021Observed: 34.18 ft at 1:30AM Dec 04, 2021Observed: 34.19 ft at 1:45AM Dec 04, 2021Observed: 34.18 ft at 2:00AM Dec 04, 2021Observed: 34.19 ft at 2:15AM Dec 04, 2021Observed: 34.2 ft at 2:30AM Dec 04, 2021Observed: 34.2 ft at 2:45AM Dec 04, 2021Observed: 34.2 ft at 3:00AM Dec 04, 2021Observed: 34.19 ft at 3:15AM Dec 04, 2021Observed: 34.21 ft at 3:30AM Dec 04, 2021Observed: 34.2 ft at 3:45AM Dec 04, 2021Observed: 34.2 ft at 4:00AM Dec 04, 2021Observed: 34.21 ft at 4:15AM Dec 04, 2021Observed: 34.21 ft at 4:30AM Dec 04, 2021Observed: 34.21 ft at 4:45AM Dec 04, 2021Observed: 34.22 ft at 5:00AM Dec 04, 2021Observed: 34.22 ft at 5:15AM Dec 04, 2021Observed: 34.22 ft at 5:30AM Dec 04, 2021Observed: 34.22 ft at 5:45AM Dec 04, 2021Observed: 34.23 ft at 6:00AM Dec 04, 2021Observed: 34.23 ft at 6:15AM Dec 04, 2021Observed: 34.23 ft at 6:30AM Dec 04, 2021Observed: 34.23 ft at 6:45AM Dec 04, 2021Observed: 34.24 ft at 7:00AM Dec 04, 2021Observed: 34.24 ft at 7:15AM Dec 04, 2021Observed: 34.24 ft at 7:30AM Dec 04, 2021Observed: 34.25 ft at 7:45AM Dec 04, 2021Observed: 34.24 ft at 8:00AM Dec 04, 2021Observed: 34.24 ft at 8:15AM Dec 04, 2021Observed: 34.25 ft at 8:30AM Dec 04, 2021Observed: 34.25 ft at 8:45AM Dec 04, 2021Observed: 34.25 ft at 9:00AM Dec 04, 2021Observed: 34.25 ft at 9:15AM Dec 04, 2021Observed: 34.26 ft at 9:30AM Dec 04, 2021Observed: 34.26 ft at 9:45AM Dec 04, 2021Observed: 34.26 ft at 10:00AM Dec 04, 2021Observed: 34.26 ft at 10:15AM Dec 04, 2021Observed: 34.27 ft at 10:30AM Dec 04, 2021Observed: 34.27 ft at 10:45AM Dec 04, 2021Observed: 34.27 ft at 11:00AM Dec 04, 2021Observed: 34.27 ft at 11:15AM Dec 04, 2021Observed: 34.27 ft at 11:30AM Dec 04, 2021Observed: 34.28 ft at 11:45AM Dec 04, 2021Observed: 34.27 ft at 12:00PM Dec 04, 2021Observed: 34.28 ft at 12:15PM Dec 04, 2021Observed: 34.28 ft at 12:30PM Dec 04, 2021Observed: 34.28 ft at 12:45PM Dec 04, 2021Observed: 34.29 ft at 1:00PM Dec 04, 2021Observed: 34.29 ft at 1:15PM Dec 04, 2021Observed: 34.29 ft at 1:30PM Dec 04, 2021Observed: 34.29 ft at 1:45PM Dec 04, 2021Observed: 34.3 ft at 2:00PM Dec 04, 2021Observed: 34.3 ft at 2:15PM Dec 04, 2021Observed: 34.31 ft at 2:30PM Dec 04, 2021Observed: 34.31 ft at 2:45PM Dec 04, 2021Observed: 34.31 ft at 3:00PM Dec 04, 2021Observed: 34.31 ft at 3:15PM Dec 04, 2021Observed: 34.32 ft at 3:30PM Dec 04, 2021Observed: 34.32 ft at 3:45PM Dec 04, 2021Observed: 34.32 ft at 4:00PM Dec 04, 2021Observed: 34.32 ft at 4:15PM Dec 04, 2021Observed: 34.32 ft at 4:30PM Dec 04, 2021Observed: 34.32 ft at 4:45PM Dec 04, 2021Observed: 34.33 ft at 5:00PM Dec 04, 2021Observed: 34.32 ft at 5:15PM Dec 04, 2021Observed: 34.33 ft at 5:30PM Dec 04, 2021Observed: 34.33 ft at 5:45PM Dec 04, 2021Observed: 34.33 ft at 6:00PM Dec 04, 2021Observed: 34.34 ft at 6:15PM Dec 04, 2021Observed: 34.34 ft at 6:30PM Dec 04, 2021Observed: 34.35 ft at 6:45PM Dec 04, 2021Observed: 34.34 ft at 7:00PM Dec 04, 2021Observed: 34.36 ft at 7:15PM Dec 04, 2021Observed: 34.36 ft at 7:30PM Dec 04, 2021Observed: 34.36 ft at 7:45PM Dec 04, 2021Observed: 34.36 ft at 8:00PM Dec 04, 2021Observed: 34.36 ft at 8:15PM Dec 04, 2021Observed: 34.37 ft at 8:30PM Dec 04, 2021Observed: 34.37 ft at 8:45PM Dec 04, 2021Observed: 34.37 ft at 9:00PM Dec 04, 2021Observed: 34.37 ft at 9:15PM Dec 04, 2021Observed: 34.38 ft at 9:30PM Dec 04, 2021Observed: 34.37 ft at 9:45PM Dec 04, 2021Observed: 34.38 ft at 10:00PM Dec 04, 2021Observed: 34.37 ft at 10:15PM Dec 04, 2021Observed: 34.39 ft at 10:30PM Dec 04, 2021Observed: 34.38 ft at 10:45PM Dec 04, 2021Observed: 34.38 ft at 11:00PM Dec 04, 2021Observed: 34.39 ft at 11:15PM Dec 04, 2021Observed: 34.39 ft at 11:30PM Dec 04, 2021Observed: 34.41 ft at 11:45PM Dec 04, 2021Observed: 34.39 ft at 12:00AM Dec 05, 2021Observed: 34.4 ft at 12:15AM Dec 05, 2021Observed: 34.4 ft at 12:30AM Dec 05, 2021Observed: 34.4 ft at 12:45AM Dec 05, 2021Observed: 34.42 ft at 1:00AM Dec 05, 2021Observed: 34.41 ft at 1:15AM Dec 05, 2021Observed: 34.42 ft at 1:30AM Dec 05, 2021Observed: 34.42 ft at 1:45AM Dec 05, 2021Observed: 34.43 ft at 2:00AM Dec 05, 2021Observed: 34.44 ft at 2:15AM Dec 05, 2021Observed: 34.44 ft at 2:30AM Dec 05, 2021Observed: 34.44 ft at 2:45AM Dec 05, 2021Observed: 34.43 ft at 3:00AM Dec 05, 2021Observed: 34.45 ft at 3:15AM Dec 05, 2021Observed: 34.45 ft at 3:30AM Dec 05, 2021Observed: 34.45 ft at 3:45AM Dec 05, 2021Observed: 34.46 ft at 4:00AM Dec 05, 2021Observed: 34.46 ft at 4:15AM Dec 05, 2021Observed: 34.46 ft at 4:30AM Dec 05, 2021Observed: 34.45 ft at 4:45AM Dec 05, 2021Observed: 34.46 ft at 5:00AM Dec 05, 2021Observed: 34.46 ft at 5:15AM Dec 05, 2021Observed: 34.46 ft at 5:30AM Dec 05, 2021Observed: 34.47 ft at 5:45AM Dec 05, 2021Observed: 34.46 ft at 6:00AM Dec 05, 2021Observed: 34.47 ft at 6:15AM Dec 05, 2021Observed: 34.46 ft at 6:30AM Dec 05, 2021Observed: 34.47 ft at 6:45AM Dec 05, 2021Observed: 34.47 ft at 7:00AM Dec 05, 2021Observed: 34.48 ft at 7:15AM Dec 05, 2021Observed: 34.47 ft at 7:30AM Dec 05, 2021Observed: 34.48 ft at 7:45AM Dec 05, 2021Observed: 34.47 ft at 8:00AM Dec 05, 2021Observed: 34.47 ft at 8:15AM Dec 05, 2021Observed: 34.47 ft at 8:30AM Dec 05, 2021Observed: 34.47 ft at 8:45AM Dec 05, 2021Observed: 34.48 ft at 9:00AM Dec 05, 2021Observed: 34.48 ft at 9:15AM Dec 05, 2021Observed: 34.48 ft at 9:30AM Dec 05, 2021Observed: 34.49 ft at 9:45AM Dec 05, 2021Observed: 34.49 ft at 10:00AM Dec 05, 2021Observed: 34.5 ft at 10:15AM Dec 05, 2021Observed: 34.5 ft at 10:30AM Dec 05, 2021Observed: 34.49 ft at 10:45AM Dec 05, 2021Observed: 34.49 ft at 11:00AM Dec 05, 2021Observed: 34.51 ft at 11:15AM Dec 05, 2021Observed: 34.52 ft at 11:30AM Dec 05, 2021Observed: 34.5 ft at 11:45AM Dec 05, 2021Observed: 34.52 ft at 12:00PM Dec 05, 2021Observed: 34.51 ft at 12:15PM Dec 05, 2021Observed: 34.54 ft at 12:30PM Dec 05, 2021Observed: 34.53 ft at 12:45PM Dec 05, 2021Observed: 34.54 ft at 1:00PM Dec 05, 2021Observed: 34.53 ft at 1:15PM Dec 05, 2021Observed: 34.53 ft at 1:30PM Dec 05, 2021Observed: 34.53 ft at 1:45PM Dec 05, 2021Observed: 34.53 ft at 2:00PM Dec 05, 2021Observed: 34.52 ft at 2:15PM Dec 05, 2021Observed: 34.53 ft at 2:30PM Dec 05, 2021Observed: 34.53 ft at 2:45PM Dec 05, 2021Observed: 34.53 ft at 3:00PM Dec 05, 2021Observed: 34.52 ft at 3:15PM Dec 05, 2021Observed: 34.54 ft at 3:30PM Dec 05, 2021Observed: 34.54 ft at 3:45PM Dec 05, 2021Observed: 34.56 ft at 4:00PM Dec 05, 2021Observed: 34.55 ft at 4:15PM Dec 05, 2021Observed: 34.54 ft at 4:30PM Dec 05, 2021Observed: 34.54 ft at 4:45PM Dec 05, 2021Observed: 34.55 ft at 5:00PM Dec 05, 2021Observed: 34.56 ft at 5:15PM Dec 05, 2021Observed: 34.55 ft at 5:30PM Dec 05, 2021Observed: 34.55 ft at 5:45PM Dec 05, 2021Observed: 34.57 ft at 6:00PM Dec 05, 2021Observed: 34.56 ft at 6:15PM Dec 05, 2021Observed: 34.57 ft at 6:30PM Dec 05, 2021Observed: 34.56 ft at 6:45PM Dec 05, 2021Observed: 34.57 ft at 7:00PM Dec 05, 2021Observed: 34.58 ft at 7:15PM Dec 05, 2021Observed: 34.57 ft at 7:30PM Dec 05, 2021Observed: 34.6 ft at 7:45PM Dec 05, 2021Observed: 34.58 ft at 8:00PM Dec 05, 2021Observed: 34.58 ft at 8:15PM Dec 05, 2021Observed: 34.58 ft at 8:30PM Dec 05, 2021Observed: 34.58 ft at 8:45PM Dec 05, 2021Observed: 34.59 ft at 9:00PM Dec 05, 2021Observed: 34.59 ft at 9:15PM Dec 05, 2021Observed: 34.59 ft at 9:30PM Dec 05, 2021Observed: 34.58 ft at 9:45PM Dec 05, 2021Observed: 34.59 ft at 10:00PM Dec 05, 2021Observed: 34.58 ft at 10:15PM Dec 05, 2021Observed: 34.59 ft at 10:30PM Dec 05, 2021Observed: 34.58 ft at 10:45PM Dec 05, 2021Observed: 34.58 ft at 11:00PM Dec 05, 2021Observed: 34.59 ft at 11:15PM Dec 05, 2021Observed: 34.59 ft at 11:30PM Dec 05, 2021Observed: 34.6 ft at 11:45PM Dec 05, 2021Observed: 34.6 ft at 12:00AM Dec 06, 2021Observed: 34.6 ft at 12:15AM Dec 06, 2021Observed: 34.6 ft at 12:30AM Dec 06, 2021Observed: 34.6 ft at 12:45AM Dec 06, 2021Observed: 34.6 ft at 1:00AM Dec 06, 2021Observed: 34.61 ft at 1:15AM Dec 06, 2021Observed: 34.6 ft at 1:30AM Dec 06, 2021Observed: 34.61 ft at 1:45AM Dec 06, 2021Observed: 34.61 ft at 2:00AM Dec 06, 2021Observed: 34.61 ft at 2:15AM Dec 06, 2021Observed: 34.62 ft at 2:30AM Dec 06, 2021Observed: 34.62 ft at 2:45AM Dec 06, 2021Observed: 34.62 ft at 3:00AM Dec 06, 2021Observed: 34.62 ft at 3:15AM Dec 06, 2021Observed: 34.63 ft at 3:30AM Dec 06, 2021Observed: 34.63 ft at 3:45AM Dec 06, 2021Observed: 34.63 ft at 4:00AM Dec 06, 2021Observed: 34.63 ft at 4:15AM Dec 06, 2021Observed: 34.63 ft at 4:30AM Dec 06, 2021Observed: 34.64 ft at 4:45AM Dec 06, 2021Observed: 34.64 ft at 5:00AM Dec 06, 2021Observed: 34.64 ft at 5:15AM Dec 06, 2021Observed: 34.64 ft at 5:30AM Dec 06, 2021Observed: 34.64 ft at 5:45AM Dec 06, 2021Observed: 34.64 ft at 6:00AM Dec 06, 2021Observed: 34.64 ft at 6:15AM Dec 06, 2021Observed: 34.65 ft at 6:30AM Dec 06, 2021Observed: 34.65 ft at 6:45AM Dec 06, 2021Observed: 34.66 ft at 7:00AM Dec 06, 2021Observed: 34.66 ft at 7:15AM Dec 06, 2021Observed: 34.66 ft at 7:30AM Dec 06, 2021Observed: 34.66 ft at 7:45AM Dec 06, 2021Observed: 34.67 ft at 8:00AM Dec 06, 2021Observed: 34.67 ft at 8:15AM Dec 06, 2021Observed: 34.67 ft at 8:30AM Dec 06, 2021Observed: 34.67 ft at 8:45AM Dec 06, 2021Observed: 34.67 ft at 9:00AM Dec 06, 2021Observed: 34.67 ft at 9:15AM Dec 06, 2021Observed: 34.68 ft at 9:30AM Dec 06, 2021Observed: 34.68 ft at 9:45AM Dec 06, 2021Observed: 34.68 ft at 10:00AM Dec 06, 2021Observed: 34.68 ft at 10:15AM Dec 06, 2021Observed: 34.69 ft at 10:30AM Dec 06, 2021Observed: 34.69 ft at 10:45AM Dec 06, 2021Observed: 34.69 ft at 11:00AM Dec 06, 2021Observed: 34.69 ft at 11:15AM Dec 06, 2021Observed: 34.69 ft at 11:30AM Dec 06, 2021Observed: 34.7 ft at 11:45AM Dec 06, 2021Observed: 34.7 ft at 12:00PM Dec 06, 2021Observed: 34.7 ft at 12:15PM Dec 06, 2021Observed: 34.7 ft at 12:30PM Dec 06, 2021Observed: 34.7 ft at 12:45PM Dec 06, 2021Observed: 34.71 ft at 1:00PM Dec 06, 2021Observed: 34.71 ft at 1:15PM Dec 06, 2021Observed: 34.71 ft at 1:30PM Dec 06, 2021Observed: 34.71 ft at 1:45PM Dec 06, 2021Highest Observation: 34.72 ft at 2:00PM Dec 06, 2021Highest Observation: 34.72 ft at 2:15PM Dec 06, 2021Highest Observation: 34.72 ft at 2:30PM Dec 06, 2021Forecast: 34.74 ft 5:00PM Dec 06, 2021Forecast: 34.78 ft 11:00PM Dec 06, 2021Forecast: 34.83 ft 5:00AM Dec 07, 2021Forecast: 34.87 ft 11:00AM Dec 07, 2021Forecast: 34.91 ft 5:00PM Dec 07, 2021Forecast: 34.96 ft 11:00PM Dec 07, 2021Forecast: 35 ft 5:00AM Dec 08, 2021Forecast: 35.04 ft 11:00AM Dec 08, 2021Forecast: 35.09 ft 5:00PM Dec 08, 2021Forecast: 35.13 ft 11:00PM Dec 08, 2021Forecast: 35.17 ft 5:00AM Dec 09, 2021Forecast: 35.22 ft 11:00AM Dec 09, 2021Forecast: 35.26 ft 5:00PM Dec 09, 2021Forecast: 35.3 ft 11:00PM Dec 09, 2021Forecast: 35.35 ft 5:00AM Dec 10, 2021Forecast: 35.39 ft 11:00AM Dec 10, 2021Forecast: 35.43 ft 5:00PM Dec 10, 2021Forecast: 35.48 ft 11:00PM Dec 10, 2021Forecast: 35.52 ft 5:00AM Dec 11, 2021Forecast: 35.56 ft 11:00AM Dec 11, 2021Forecast: 35.61 ft 5:00PM Dec 11, 2021Forecast: 35.65 ft 11:00PM Dec 11, 2021Forecast: 35.69 ft 5:00AM Dec 12, 2021Forecast: 35.73 ft 11:00AM Dec 12, 2021Forecast: 35.78 ft 5:00PM Dec 12, 2021Forecast: 35.82 ft 11:00PM Dec 12, 2021Forecast: 35.86 ft 5:00AM Dec 13, 2021Highest Forecast: 35.9 ft 11:00AM Dec 13, 2021MACI1(plotting HPIRZ) Graph Created (3:03PM Dec 6, 2021)ObservedForecast (issued 8:32AM Dec 6)Latest observed value: 34.72 ft at 2:30 PM MST 6-Dec-2021.
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Eastern Idaho Reservoirs at Mackay Dam. Only observed stages are available for this point.
Return to Area Map
Upstream Gauge - at Howell Ranch Upstream Gauge Downstream Gauge Downstream Gauge - below Mackay Reservoir
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 65.7
Low Stage (in feet): -9999

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: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
66.5 102 percent Full Maximum Level
65.7 100 percent Full
64.8 97 percent Full
64.2 95 percent Full
63.2 92 percent Full
61.5 90 percent Full
60.8 87 percent Full
About This Location Collapse

Latitude: 43.951670° N, Longitude: 113.674720° 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 6000.4 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:
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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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