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Hydrograph River at a Glance Download
Boise River above Lucky Peak Dam Adjusted Discharge (kcfs)Observed: 5.83 kcfs at 11:59PM Apr 22, 2024Observed: 6.04 kcfs at 11:59PM Apr 23, 2024Observed: 6.18 kcfs at 11:59PM Apr 24, 2024Observed: 6.57 kcfs at 11:59PM Apr 25, 2024Highest Observation: 6.98 kcfs at 11:59PM Apr 26, 2024Observed: 6.75 kcfs at 11:59PM Apr 27, 2024Observed: 6.76 kcfs at 11:59PM Apr 28, 2024Observed: 6.32 kcfs at 11:59PM Apr 29, 2024Observed: 5.87 kcfs at 11:59PM Apr 30, 2024Forecast: 5.05 kcfs 12:00AM May 02, 2024Forecast: 5.04 kcfs 6:00AM May 02, 2024Forecast: 5.02 kcfs 12:00PM May 02, 2024Forecast: 4.91 kcfs 6:00PM May 02, 2024Forecast: 4.81 kcfs 12:00AM May 03, 2024Forecast: 4.7 kcfs 6:00AM May 03, 2024Forecast: 4.62 kcfs 12:00PM May 03, 2024Forecast: 4.54 kcfs 6:00PM May 03, 2024Forecast: 4.51 kcfs 12:00AM May 04, 2024Forecast: 4.52 kcfs 6:00AM May 04, 2024Forecast: 4.54 kcfs 12:00PM May 04, 2024Forecast: 4.68 kcfs 6:00PM May 04, 2024Forecast: 5.25 kcfs 12:00AM May 05, 2024Forecast: 6.36 kcfs 6:00AM May 05, 2024Forecast: 7.58 kcfs 12:00PM May 05, 2024Forecast: 8.43 kcfs 6:00PM May 05, 2024Highest Forecast: 8.73 kcfs 12:00AM May 06, 2024Forecast: 8.59 kcfs 6:00AM May 06, 2024Forecast: 8.17 kcfs 12:00PM May 06, 2024Forecast: 7.64 kcfs 6:00PM May 06, 2024Forecast: 7.13 kcfs 12:00AM May 07, 2024Forecast: 6.69 kcfs 6:00AM May 07, 2024Forecast: 6.33 kcfs 12:00PM May 07, 2024Forecast: 6.02 kcfs 6:00PM May 07, 2024Forecast: 5.75 kcfs 12:00AM May 08, 2024Forecast: 5.52 kcfs 6:00AM May 08, 2024Forecast: 5.31 kcfs 12:00PM May 08, 2024Forecast: 5.13 kcfs 6:00PM May 08, 2024Forecast: 4.98 kcfs 12:00AM May 09, 2024Forecast: 4.86 kcfs 6:00AM May 09, 2024Forecast: 4.76 kcfs 12:00PM May 09, 2024Forecast: 4.67 kcfs 6:00PM May 09, 2024Forecast: 4.62 kcfs 12:00AM May 10, 2024Forecast: 4.61 kcfs 6:00AM May 10, 2024Forecast: 4.63 kcfs 12:00PM May 10, 2024Forecast: 4.66 kcfs 6:00PM May 10, 2024Forecast: 4.7 kcfs 12:00AM May 11, 2024Forecast: 4.77 kcfs 6:00AM May 11, 2024LUCI1(plotting QAIRZ) Graph Created (8:00PM May 1, 2024)ObservedForecast (issued 4:48PM May 1)Latest observed value: 5.87 kcfs at 11:59 PM MDT 30-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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