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Hydrograph River at a Glance Download
Boise River above Lucky Peak Dam Adjusted Discharge (kcfs)Observed: 4.67 kcfs at 11:59PM Apr 08, 2024Observed: 4.38 kcfs at 11:59PM Apr 09, 2024Observed: 4.49 kcfs at 11:59PM Apr 10, 2024Observed: 4.88 kcfs at 11:59PM Apr 11, 2024Observed: 5.8 kcfs at 11:59PM Apr 12, 2024Observed: 7.31 kcfs at 11:59PM Apr 13, 2024Highest Observation: 8.99 kcfs at 11:59PM Apr 14, 2024Observed: 8.81 kcfs at 11:59PM Apr 15, 2024Observed: 8.14 kcfs at 11:59PM Apr 16, 2024Observed: 7.16 kcfs at 11:59PM Apr 17, 2024Forecast: 5.78 kcfs 6:00PM Apr 18, 2024Forecast: 5.6 kcfs 12:00AM Apr 19, 2024Forecast: 5.45 kcfs 6:00AM Apr 19, 2024Forecast: 5.32 kcfs 12:00PM Apr 19, 2024Forecast: 5.2 kcfs 6:00PM Apr 19, 2024Forecast: 5.11 kcfs 12:00AM Apr 20, 2024Forecast: 5.04 kcfs 6:00AM Apr 20, 2024Forecast: 4.95 kcfs 12:00PM Apr 20, 2024Forecast: 4.87 kcfs 6:00PM Apr 20, 2024Forecast: 4.86 kcfs 12:00AM Apr 21, 2024Forecast: 4.99 kcfs 6:00AM Apr 21, 2024Forecast: 5.21 kcfs 12:00PM Apr 21, 2024Forecast: 5.42 kcfs 6:00PM Apr 21, 2024Forecast: 5.6 kcfs 12:00AM Apr 22, 2024Forecast: 5.72 kcfs 6:00AM Apr 22, 2024Forecast: 5.72 kcfs 12:00PM Apr 22, 2024Forecast: 5.6 kcfs 6:00PM Apr 22, 2024Forecast: 5.47 kcfs 12:00AM Apr 23, 2024Forecast: 5.39 kcfs 6:00AM Apr 23, 2024Forecast: 5.34 kcfs 12:00PM Apr 23, 2024Forecast: 5.3 kcfs 6:00PM Apr 23, 2024Forecast: 5.37 kcfs 12:00AM Apr 24, 2024Forecast: 5.61 kcfs 6:00AM Apr 24, 2024Forecast: 5.9 kcfs 12:00PM Apr 24, 2024Forecast: 6.25 kcfs 6:00PM Apr 24, 2024Forecast: 6.85 kcfs 12:00AM Apr 25, 2024Forecast: 7.51 kcfs 6:00AM Apr 25, 2024Forecast: 7.95 kcfs 12:00PM Apr 25, 2024Forecast: 8.16 kcfs 6:00PM Apr 25, 2024Forecast: 8.33 kcfs 12:00AM Apr 26, 2024Forecast: 8.45 kcfs 6:00AM Apr 26, 2024Forecast: 8.43 kcfs 12:00PM Apr 26, 2024Forecast: 8.39 kcfs 6:00PM Apr 26, 2024Forecast: 8.51 kcfs 12:00AM Apr 27, 2024Highest Forecast: 8.65 kcfs 6:00AM Apr 27, 2024Forecast: 8.64 kcfs 12:00PM Apr 27, 2024Forecast: 8.49 kcfs 6:00PM Apr 27, 2024Forecast: 8.38 kcfs 12:00AM Apr 28, 2024Forecast: 8.31 kcfs 6:00AM Apr 28, 2024LUCI1(plotting QAIRZ) Graph Created (4:00PM Apr 18, 2024)ObservedForecast (issued 3:51PM Apr 18)Latest observed value: 7.16 kcfs at 11:59 PM MDT 17-Apr-2024.
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NOTE: The blue dots represent the estimated daily average natural inflow to the Boise River system above Lucky Peak Dam. The 7 day forecast is for total Boise River natural inflow above Lucky Peak Dam. This includes the Boise River South Fork, Middle Fork, North Fork, Mores Creek and other ungauged small tributaries.

NOTE: Forecasts for the Boise River above Lucky Peak Dam are issued routinely year-round.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in KCFS)
Not Available

Historic Crests
(1) 24,109 cfs on 05/07/2017
(2) 22,786 cfs on 04/27/2012
(3) 18,787 cfs on 05/15/2011
(4) 17,685 cfs on 06/05/2010
(5) 17,394 cfs on 04/09/2019
(6) 11,316 cfs on 04/13/2016
(7) 9,977 cfs on 05/09/2018
(8) 9,773 cfs on 05/28/2014
(9) 7,517 cfs on 05/14/2013
(10) 5,076 cfs on 05/06/2015

(P): Preliminary values subject to further review.

Recent Crests
(1) 17,394 cfs on 04/09/2019
(2) 9,977 cfs on 05/09/2018
(3) 24,109 cfs on 05/07/2017
(4) 11,316 cfs on 04/13/2016
(5) 5,076 cfs on 05/06/2015
(6) 9,773 cfs on 05/28/2014
(7) 7,517 cfs on 05/14/2013
(8) 22,786 cfs on 04/27/2012
(9) 18,787 cfs on 05/15/2011
(10) 17,685 cfs on 06/05/2010

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:13
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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.
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Photos
(1) Boise River Basin above Lucky Peak Dam
About This Location Collapse

Latitude: 43.525556° N, Longitude: 116.055278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS flow Not Available 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 Not Available Not Available  

Current/Historical Observations:
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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
Boise Weather Forecast Office
NIFC Building 3807
Boise, ID 83705-5354
(208) 334-9860
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