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Hydrograph River at a Glance Download
Eastern Idaho Reservoirs at Mackay Dam Pool (ft)Observed: 58.89 ft at 8:00PM Jun 06, 2023Observed: 58.91 ft at 8:15PM Jun 06, 2023Observed: 58.91 ft at 8:30PM Jun 06, 2023Observed: 58.93 ft at 8:45PM Jun 06, 2023Observed: 58.95 ft at 9:00PM Jun 06, 2023Observed: 58.97 ft at 9:15PM Jun 06, 2023Observed: 58.98 ft at 9:30PM Jun 06, 2023Observed: 58.99 ft at 9:45PM Jun 06, 2023Observed: 59.02 ft at 10:00PM Jun 06, 2023Observed: 59.03 ft at 10:15PM Jun 06, 2023Observed: 59.04 ft at 10:30PM Jun 06, 2023Observed: 59.05 ft at 10:45PM Jun 06, 2023Observed: 59.08 ft at 11:00PM Jun 06, 2023Observed: 59.08 ft at 11:15PM Jun 06, 2023Observed: 59.1 ft at 11:30PM Jun 06, 2023Observed: 59.11 ft at 11:45PM Jun 06, 2023Observed: 59.14 ft at 12:00AM Jun 07, 2023Observed: 59.15 ft at 12:15AM Jun 07, 2023Observed: 59.17 ft at 12:30AM Jun 07, 2023Observed: 59.19 ft at 12:45AM Jun 07, 2023Observed: 59.2 ft at 1:00AM Jun 07, 2023Observed: 59.21 ft at 1:15AM Jun 07, 2023Observed: 59.24 ft at 1:30AM Jun 07, 2023Observed: 59.25 ft at 1:45AM Jun 07, 2023Observed: 59.26 ft at 2:00AM Jun 07, 2023Observed: 59.28 ft at 2:15AM Jun 07, 2023Observed: 59.3 ft at 2:30AM Jun 07, 2023Observed: 59.31 ft at 2:45AM Jun 07, 2023Observed: 59.32 ft at 3:00AM Jun 07, 2023Observed: 59.34 ft at 3:15AM Jun 07, 2023Observed: 59.35 ft at 3:30AM Jun 07, 2023Observed: 59.37 ft at 3:45AM Jun 07, 2023Observed: 59.38 ft at 4:00AM Jun 07, 2023Observed: 59.4 ft at 4:15AM Jun 07, 2023Observed: 59.41 ft at 4:30AM Jun 07, 2023Observed: 59.43 ft at 4:45AM Jun 07, 2023Observed: 59.44 ft at 5:00AM Jun 07, 2023Observed: 59.46 ft at 5:15AM Jun 07, 2023Observed: 59.47 ft at 5:30AM Jun 07, 2023Observed: 59.49 ft at 5:45AM Jun 07, 2023Observed: 59.5 ft at 6:00AM Jun 07, 2023Observed: 59.52 ft at 6:15AM Jun 07, 2023Observed: 59.53 ft at 6:30AM Jun 07, 2023Observed: 59.55 ft at 6:45AM Jun 07, 2023Observed: 59.56 ft at 7:00AM Jun 07, 2023Observed: 59.57 ft at 7:15AM Jun 07, 2023Observed: 59.59 ft at 7:30AM Jun 07, 2023Observed: 59.6 ft at 7:45AM Jun 07, 2023Observed: 59.62 ft at 8:00AM Jun 07, 2023Observed: 59.63 ft at 8:15AM Jun 07, 2023Observed: 59.65 ft at 8:30AM Jun 07, 2023Observed: 59.66 ft at 8:45AM Jun 07, 2023Observed: 59.68 ft at 9:00AM Jun 07, 2023Observed: 59.69 ft at 9:15AM Jun 07, 2023Observed: 59.71 ft at 9:30AM Jun 07, 2023Observed: 59.72 ft at 9:45AM Jun 07, 2023Observed: 59.73 ft at 10:00AM Jun 07, 2023Observed: 59.75 ft at 10:15AM Jun 07, 2023Observed: 59.76 ft at 10:30AM Jun 07, 2023Observed: 59.78 ft at 10:45AM Jun 07, 2023Observed: 59.79 ft at 11:00AM Jun 07, 2023Observed: 59.8 ft at 11:15AM Jun 07, 2023Observed: 59.82 ft at 11:30AM Jun 07, 2023Observed: 59.83 ft at 11:45AM Jun 07, 2023Observed: 59.84 ft at 12:00PM Jun 07, 2023Observed: 59.86 ft at 12:15PM Jun 07, 2023Observed: 59.87 ft at 12:30PM Jun 07, 2023Observed: 59.88 ft at 12:45PM Jun 07, 2023Observed: 59.9 ft at 1:00PM Jun 07, 2023Observed: 59.91 ft at 1:15PM Jun 07, 2023Observed: 59.93 ft at 1:30PM Jun 07, 2023Observed: 59.94 ft at 1:45PM Jun 07, 2023Observed: 59.95 ft at 2:00PM Jun 07, 2023Observed: 59.97 ft at 2:15PM Jun 07, 2023Observed: 59.98 ft at 2:30PM Jun 07, 2023Observed: 60 ft at 2:45PM Jun 07, 2023Observed: 60.01 ft at 3:00PM Jun 07, 2023Observed: 60.03 ft at 3:15PM Jun 07, 2023Observed: 60.05 ft at 3:30PM Jun 07, 2023Observed: 60.07 ft at 3:45PM Jun 07, 2023Observed: 60.08 ft at 4:00PM Jun 07, 2023Observed: 60.09 ft at 4:15PM Jun 07, 2023Observed: 60.1 ft at 4:30PM Jun 07, 2023Observed: 60.12 ft at 4:45PM Jun 07, 2023Observed: 60.12 ft at 5:00PM Jun 07, 2023Observed: 60.14 ft at 5:15PM Jun 07, 2023Observed: 60.16 ft at 5:30PM Jun 07, 2023Observed: 60.17 ft at 5:45PM Jun 07, 2023Observed: 60.18 ft at 6:00PM Jun 07, 2023Observed: 60.19 ft at 6:15PM Jun 07, 2023Observed: 60.2 ft at 6:30PM Jun 07, 2023Observed: 60.22 ft at 6:45PM Jun 07, 2023Observed: 60.23 ft at 7:00PM Jun 07, 2023Observed: 60.25 ft at 7:15PM Jun 07, 2023Observed: 60.26 ft at 7:30PM Jun 07, 2023Observed: 60.27 ft at 7:45PM Jun 07, 2023Observed: 60.29 ft at 8:00PM Jun 07, 2023Observed: 60.3 ft at 8:15PM Jun 07, 2023Observed: 60.31 ft at 8:30PM Jun 07, 2023Observed: 60.33 ft at 8:45PM Jun 07, 2023Observed: 60.34 ft at 9:00PM Jun 07, 2023Observed: 60.35 ft at 9:15PM Jun 07, 2023Observed: 60.37 ft at 9:30PM Jun 07, 2023Observed: 60.38 ft at 9:45PM Jun 07, 2023Observed: 60.57 ft at 1:30AM Jun 08, 2023Observed: 60.59 ft at 1:45AM Jun 08, 2023Observed: 60.6 ft at 2:00AM Jun 08, 2023Observed: 60.61 ft at 2:15AM Jun 08, 2023Observed: 60.63 ft at 2:30AM Jun 08, 2023Observed: 60.64 ft at 2:45AM Jun 08, 2023Observed: 60.65 ft at 3:00AM Jun 08, 2023Observed: 60.67 ft at 3:15AM Jun 08, 2023Observed: 60.68 ft at 3:30AM Jun 08, 2023Observed: 60.69 ft at 3:45AM Jun 08, 2023Observed: 60.7 ft at 4:00AM Jun 08, 2023Observed: 60.72 ft at 4:15AM Jun 08, 2023Observed: 60.73 ft at 4:30AM Jun 08, 2023Observed: 60.74 ft at 4:45AM Jun 08, 2023Observed: 60.76 ft at 5:00AM Jun 08, 2023Observed: 60.76 ft at 5:15AM Jun 08, 2023Observed: 60.78 ft at 5:30AM Jun 08, 2023Observed: 60.79 ft at 5:45AM Jun 08, 2023Observed: 60.8 ft at 6:00AM Jun 08, 2023Observed: 60.81 ft at 6:15AM Jun 08, 2023Observed: 60.83 ft at 6:30AM Jun 08, 2023Observed: 60.84 ft at 6:45AM Jun 08, 2023Observed: 60.85 ft at 7:00AM Jun 08, 2023Observed: 60.86 ft at 7:15AM Jun 08, 2023Observed: 60.88 ft at 7:30AM Jun 08, 2023Observed: 60.89 ft at 7:45AM Jun 08, 2023Observed: 60.9 ft at 8:00AM Jun 08, 2023Observed: 60.91 ft at 8:15AM Jun 08, 2023Observed: 60.93 ft at 8:30AM Jun 08, 2023Observed: 60.94 ft at 8:45AM Jun 08, 2023Observed: 60.95 ft at 9:00AM Jun 08, 2023Observed: 60.97 ft at 9:15AM Jun 08, 2023Observed: 60.98 ft at 9:30AM Jun 08, 2023Observed: 60.99 ft at 9:45AM Jun 08, 2023Observed: 61.01 ft at 10:00AM Jun 08, 2023Observed: 61.03 ft at 10:15AM Jun 08, 2023Observed: 61.04 ft at 10:30AM Jun 08, 2023Observed: 61.05 ft at 10:45AM Jun 08, 2023Observed: 61.07 ft at 11:00AM Jun 08, 2023Observed: 61.08 ft at 11:15AM Jun 08, 2023Observed: 61.09 ft at 11:30AM Jun 08, 2023Observed: 61.11 ft at 11:45AM Jun 08, 2023Observed: 61.13 ft at 12:00PM Jun 08, 2023Observed: 61.15 ft at 12:15PM Jun 08, 2023Observed: 61.16 ft at 12:30PM Jun 08, 2023Observed: 61.17 ft at 12:45PM Jun 08, 2023Observed: 61.2 ft at 1:00PM Jun 08, 2023Observed: 61.2 ft at 1:15PM Jun 08, 2023Observed: 61.22 ft at 1:30PM Jun 08, 2023Observed: 61.24 ft at 1:45PM Jun 08, 2023Observed: 61.25 ft at 2:00PM Jun 08, 2023Observed: 61.25 ft at 2:15PM Jun 08, 2023Observed: 61.26 ft at 2:30PM Jun 08, 2023Observed: 61.3 ft at 2:45PM Jun 08, 2023Observed: 61.32 ft at 3:00PM Jun 08, 2023Observed: 61.33 ft at 3:15PM Jun 08, 2023Observed: 61.34 ft at 3:30PM Jun 08, 2023Observed: 61.36 ft at 3:45PM Jun 08, 2023Observed: 61.37 ft at 4:00PM Jun 08, 2023Observed: 61.39 ft at 4:15PM Jun 08, 2023Observed: 61.41 ft at 4:30PM Jun 08, 2023Observed: 61.42 ft at 4:45PM Jun 08, 2023Observed: 61.43 ft at 5:00PM Jun 08, 2023Observed: 61.45 ft at 5:15PM Jun 08, 2023Observed: 61.47 ft at 5:30PM Jun 08, 2023Observed: 61.49 ft at 5:45PM Jun 08, 2023Observed: 61.5 ft at 6:00PM Jun 08, 2023Observed: 61.52 ft at 6:15PM Jun 08, 2023Observed: 61.54 ft at 6:30PM Jun 08, 2023Observed: 61.54 ft at 6:45PM Jun 08, 2023Observed: 61.56 ft at 7:00PM Jun 08, 2023Observed: 61.56 ft at 7:15PM Jun 08, 2023Observed: 61.58 ft at 7:30PM Jun 08, 2023Observed: 61.62 ft at 7:45PM Jun 08, 2023Observed: 61.62 ft at 8:00PM Jun 08, 2023Observed: 61.63 ft at 8:15PM Jun 08, 2023Observed: 61.65 ft at 8:30PM Jun 08, 2023Observed: 61.67 ft at 8:45PM Jun 08, 2023Observed: 61.7 ft at 9:00PM Jun 08, 2023Observed: 61.72 ft at 9:15PM Jun 08, 2023Observed: 61.73 ft at 9:30PM Jun 08, 2023Observed: 61.75 ft at 9:45PM Jun 08, 2023Observed: 61.75 ft at 10:00PM Jun 08, 2023Observed: 61.77 ft at 10:15PM Jun 08, 2023Observed: 61.78 ft at 10:30PM Jun 08, 2023Observed: 61.8 ft at 10:45PM Jun 08, 2023Observed: 61.81 ft at 11:00PM Jun 08, 2023Observed: 61.83 ft at 11:15PM Jun 08, 2023Observed: 61.85 ft at 11:30PM Jun 08, 2023Observed: 61.87 ft at 11:45PM Jun 08, 2023Observed: 61.86 ft at 12:00AM Jun 09, 2023Observed: 61.87 ft at 12:15AM Jun 09, 2023Observed: 61.89 ft at 12:30AM Jun 09, 2023Observed: 61.92 ft at 12:45AM Jun 09, 2023Observed: 61.93 ft at 1:00AM Jun 09, 2023Observed: 61.94 ft at 1:15AM Jun 09, 2023Observed: 61.95 ft at 1:30AM Jun 09, 2023Observed: 61.97 ft at 1:45AM Jun 09, 2023Observed: 61.98 ft at 2:00AM Jun 09, 2023Observed: 62 ft at 2:15AM Jun 09, 2023Observed: 62 ft at 2:30AM Jun 09, 2023Observed: 62.02 ft at 2:45AM Jun 09, 2023Observed: 62.03 ft at 3:00AM Jun 09, 2023Observed: 62.05 ft at 3:15AM Jun 09, 2023Observed: 62.06 ft at 3:30AM Jun 09, 2023Observed: 62.07 ft at 3:45AM Jun 09, 2023Observed: 62.09 ft at 4:00AM Jun 09, 2023Observed: 62.1 ft at 4:15AM Jun 09, 2023Observed: 62.13 ft at 4:30AM Jun 09, 2023Observed: 62.13 ft at 4:45AM Jun 09, 2023Observed: 62.16 ft at 5:00AM Jun 09, 2023Observed: 62.16 ft at 5:15AM Jun 09, 2023Observed: 62.19 ft at 5:30AM Jun 09, 2023Observed: 62.19 ft at 5:45AM Jun 09, 2023Observed: 62.21 ft at 6:00AM Jun 09, 2023Observed: 62.23 ft at 6:15AM Jun 09, 2023Observed: 62.23 ft at 6:30AM Jun 09, 2023Observed: 62.24 ft at 6:45AM Jun 09, 2023Observed: 62.26 ft at 7:00AM Jun 09, 2023Observed: 62.27 ft at 7:15AM Jun 09, 2023Observed: 62.29 ft at 7:30AM Jun 09, 2023Observed: 62.31 ft at 7:45AM Jun 09, 2023Observed: 62.32 ft at 8:00AM Jun 09, 2023Observed: 62.32 ft at 8:15AM Jun 09, 2023Observed: 62.35 ft at 8:30AM Jun 09, 2023Observed: 62.36 ft at 8:45AM Jun 09, 2023Observed: 62.35 ft at 9:00AM Jun 09, 2023Observed: 62.37 ft at 9:15AM Jun 09, 2023Observed: 62.38 ft at 9:30AM Jun 09, 2023Observed: 62.4 ft at 9:45AM Jun 09, 2023Observed: 62.4 ft at 10:00AM Jun 09, 2023Observed: 62.42 ft at 10:15AM Jun 09, 2023Observed: 62.42 ft at 10:30AM Jun 09, 2023Observed: 62.43 ft at 10:45AM Jun 09, 2023Observed: 62.45 ft at 11:00AM Jun 09, 2023Observed: 62.45 ft at 11:15AM Jun 09, 2023Observed: 62.47 ft at 11:30AM Jun 09, 2023Observed: 62.48 ft at 11:45AM Jun 09, 2023Observed: 62.48 ft at 12:00PM Jun 09, 2023Observed: 62.49 ft at 12:15PM Jun 09, 2023Observed: 62.51 ft at 12:30PM Jun 09, 2023Observed: 62.51 ft at 12:45PM Jun 09, 2023Observed: 62.53 ft at 1:00PM Jun 09, 2023Observed: 62.53 ft at 1:15PM Jun 09, 2023Observed: 62.53 ft at 1:30PM Jun 09, 2023Observed: 62.53 ft at 1:45PM Jun 09, 2023Observed: 62.55 ft at 2:00PM Jun 09, 2023Observed: 62.56 ft at 2:15PM Jun 09, 2023Observed: 62.57 ft at 2:30PM Jun 09, 2023Observed: 62.58 ft at 2:45PM Jun 09, 2023Observed: 62.59 ft at 3:00PM Jun 09, 2023Observed: 62.59 ft at 3:15PM Jun 09, 2023Observed: 62.59 ft at 3:30PM Jun 09, 2023Observed: 62.6 ft at 3:45PM Jun 09, 2023Observed: 62.63 ft at 4:00PM Jun 09, 2023Observed: 62.63 ft at 4:15PM Jun 09, 2023Observed: 62.65 ft at 4:30PM Jun 09, 2023Observed: 62.65 ft at 4:45PM Jun 09, 2023Observed: 62.66 ft at 5:00PM Jun 09, 2023Observed: 62.67 ft at 5:15PM Jun 09, 2023Observed: 62.67 ft at 5:30PM Jun 09, 2023Observed: 62.68 ft at 5:45PM Jun 09, 2023Observed: 62.69 ft at 6:00PM Jun 09, 2023Observed: 62.69 ft at 6:15PM Jun 09, 2023Observed: 62.7 ft at 6:30PM Jun 09, 2023Highest Observation: 62.71 ft at 6:45PM Jun 09, 2023Forecast: 62.97 ft 12:00AM Jun 10, 2023Forecast: 63.28 ft 6:00AM Jun 10, 2023Forecast: 63.6 ft 12:00PM Jun 10, 2023Forecast: 63.88 ft 6:00PM Jun 10, 2023Forecast: 64.11 ft 12:00AM Jun 11, 2023Forecast: 64.29 ft 6:00AM Jun 11, 2023Forecast: 64.43 ft 12:00PM Jun 11, 2023Forecast: 64.51 ft 6:00PM Jun 11, 2023Forecast: 64.58 ft 12:00AM Jun 12, 2023Forecast: 64.63 ft 6:00AM Jun 12, 2023Forecast: 64.69 ft 12:00PM Jun 12, 2023Forecast: 64.76 ft 6:00PM Jun 12, 2023Forecast: 64.85 ft 12:00AM Jun 13, 2023Forecast: 64.97 ft 6:00AM Jun 13, 2023Forecast: 65.12 ft 12:00PM Jun 13, 2023Forecast: 65.27 ft 6:00PM Jun 13, 2023Forecast: 65.43 ft 12:00AM Jun 14, 2023Forecast: 65.6 ft 6:00AM Jun 14, 2023Forecast: 65.76 ft 12:00PM Jun 14, 2023Forecast: 65.92 ft 6:00PM Jun 14, 2023Forecast: 66.07 ft 12:00AM Jun 15, 2023Forecast: 66.18 ft 6:00AM Jun 15, 2023Forecast: 66.26 ft 12:00PM Jun 15, 2023Forecast: 66.3 ft 6:00PM Jun 15, 2023Highest Forecast: 66.31 ft 12:00AM Jun 16, 2023Forecast: 66.29 ft 6:00AM Jun 16, 2023Forecast: 66.26 ft 12:00PM Jun 16, 2023Forecast: 66.2 ft 6:00PM Jun 16, 2023MACI1(plotting HPIRZ) Graph Created (7:48PM Jun 9, 2023)ObservedForecast (issued 4:03PM Jun 9)Latest observed value: 62.71 ft at 6:45 PM MDT 9-Jun-2023.
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
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.
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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
59.6 80 percent Full
55.9 70 percent Full
51.9 60 percent Full
47.5 50 percent Full
42.5 40 percent Full
36.8 30 percent Full
30.2 20 percent Full
21.6 10 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
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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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