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Hydrograph River at a Glance Download
Malheur River above Drewsey Stage (ft)Flow (cfs)Highest Observation: 3.21 ft at 7:00AM May 23, 2022Highest Observation: 3.21 ft at 7:15AM May 23, 2022Highest Observation: 3.21 ft at 7:30AM May 23, 2022Observed: 3.11 ft at 5:45AM May 24, 2022Observed: 3.11 ft at 6:00AM May 24, 2022Observed: 3.1 ft at 6:15AM May 24, 2022Observed: 3.1 ft at 6:30AM May 24, 2022Observed: 3.1 ft at 6:45AM May 24, 2022Observed: 3.1 ft at 7:00AM May 24, 2022Observed: 3.1 ft at 7:15AM May 24, 2022Observed: 3.1 ft at 7:30AM May 24, 2022Observed: 3.1 ft at 7:45AM May 24, 2022Observed: 3.1 ft at 8:00AM May 24, 2022Observed: 3.1 ft at 8:15AM May 24, 2022Observed: 3.1 ft at 8:30AM May 24, 2022Observed: 3.1 ft at 8:45AM May 24, 2022Observed: 3.1 ft at 9:00AM May 24, 2022Observed: 3.1 ft at 9:15AM May 24, 2022Observed: 3.1 ft at 9:30AM May 24, 2022Observed: 3.1 ft at 9:45AM May 24, 2022Observed: 3.1 ft at 10:00AM May 24, 2022Observed: 3.1 ft at 10:15AM May 24, 2022Observed: 3.1 ft at 10:30AM May 24, 2022Observed: 3.1 ft at 10:45AM May 24, 2022Observed: 3.1 ft at 11:00AM May 24, 2022Observed: 3.1 ft at 11:15AM May 24, 2022Observed: 3.1 ft at 11:30AM May 24, 2022Observed: 3.1 ft at 11:45AM May 24, 2022Observed: 3.1 ft at 12:00PM May 24, 2022Observed: 3.09 ft at 12:15PM May 24, 2022Observed: 3.09 ft at 12:30PM May 24, 2022Observed: 3.09 ft at 12:45PM May 24, 2022Observed: 3.09 ft at 1:00PM May 24, 2022Observed: 3.09 ft at 1:15PM May 24, 2022Observed: 3.09 ft at 1:30PM May 24, 2022Observed: 3.09 ft at 1:45PM May 24, 2022Observed: 3.08 ft at 2:00PM May 24, 2022Observed: 3.08 ft at 2:15PM May 24, 2022Observed: 3.08 ft at 2:30PM May 24, 2022Observed: 3.08 ft at 2:45PM May 24, 2022Observed: 3.08 ft at 3:00PM May 24, 2022Observed: 3.08 ft at 3:15PM May 24, 2022Observed: 3.07 ft at 3:30PM May 24, 2022Observed: 3.07 ft at 3:45PM May 24, 2022Observed: 3.07 ft at 4:00PM May 24, 2022Observed: 3.07 ft at 4:15PM May 24, 2022Observed: 3.06 ft at 4:30PM May 24, 2022Observed: 3.06 ft at 4:45PM May 24, 2022Observed: 3.06 ft at 5:00PM May 24, 2022Observed: 3.05 ft at 5:15PM May 24, 2022Observed: 3.04 ft at 5:30PM May 24, 2022Observed: 3.04 ft at 5:45PM May 24, 2022Observed: 3.04 ft at 6:00PM May 24, 2022Observed: 3.04 ft at 6:15PM May 24, 2022Observed: 3.03 ft at 6:30PM May 24, 2022Observed: 3.03 ft at 6:45PM May 24, 2022Observed: 3.03 ft at 7:00PM May 24, 2022Observed: 3.03 ft at 7:15PM May 24, 2022Observed: 3.02 ft at 7:30PM May 24, 2022Observed: 3.02 ft at 7:45PM May 24, 2022Observed: 3.02 ft at 8:00PM May 24, 2022Observed: 3.02 ft at 8:15PM May 24, 2022Observed: 3.01 ft at 8:30PM May 24, 2022Observed: 3.01 ft at 8:45PM May 24, 2022Observed: 3.01 ft at 9:00PM May 24, 2022Observed: 3 ft at 9:15PM May 24, 2022Observed: 3 ft at 9:30PM May 24, 2022Observed: 3 ft at 9:45PM May 24, 2022Observed: 3 ft at 10:00PM May 24, 2022Observed: 3 ft at 10:15PM May 24, 2022Observed: 2.99 ft at 10:30PM May 24, 2022Observed: 2.99 ft at 10:45PM May 24, 2022Observed: 2.99 ft at 11:00PM May 24, 2022Observed: 2.99 ft at 11:15PM May 24, 2022Observed: 2.99 ft at 11:30PM May 24, 2022Observed: 2.99 ft at 11:45PM May 24, 2022Observed: 2.99 ft at 12:00AM May 25, 2022Observed: 2.99 ft at 12:15AM May 25, 2022Observed: 3 ft at 12:30AM May 25, 2022Observed: 3 ft at 12:45AM May 25, 2022Observed: 3 ft at 1:00AM May 25, 2022Observed: 3 ft at 1:15AM May 25, 2022Observed: 3 ft at 1:30AM May 25, 2022Observed: 3 ft at 1:45AM May 25, 2022Observed: 3 ft at 2:00AM May 25, 2022Observed: 3 ft at 2:15AM May 25, 2022Observed: 3.01 ft at 2:30AM May 25, 2022Observed: 3.01 ft at 2:45AM May 25, 2022Observed: 3.01 ft at 3:00AM May 25, 2022Observed: 3.02 ft at 3:15AM May 25, 2022Observed: 3.02 ft at 3:30AM May 25, 2022Observed: 3.02 ft at 3:45AM May 25, 2022Observed: 3.02 ft at 4:00AM May 25, 2022Observed: 3.02 ft at 4:15AM May 25, 2022Observed: 3.02 ft at 4:30AM May 25, 2022Observed: 3.03 ft at 4:45AM May 25, 2022Observed: 3.03 ft at 5:00AM May 25, 2022Observed: 3.03 ft at 5:15AM May 25, 2022Observed: 3.03 ft at 5:30AM May 25, 2022Observed: 3.04 ft at 5:45AM May 25, 2022Observed: 3.04 ft at 6:00AM May 25, 2022Observed: 3.04 ft at 6:15AM May 25, 2022Observed: 3.04 ft at 6:30AM May 25, 2022Observed: 3.04 ft at 6:45AM May 25, 2022Observed: 3.04 ft at 7:00AM May 25, 2022Observed: 3.04 ft at 7:15AM May 25, 2022Observed: 3.05 ft at 7:30AM May 25, 2022Observed: 3.05 ft at 7:45AM May 25, 2022Observed: 3.05 ft at 8:00AM May 25, 2022Observed: 3.05 ft at 8:15AM May 25, 2022Observed: 3.06 ft at 8:30AM May 25, 2022Observed: 3.06 ft at 8:45AM May 25, 2022Observed: 3.06 ft at 9:00AM May 25, 2022Observed: 3.06 ft at 9:15AM May 25, 2022Observed: 3.06 ft at 9:30AM May 25, 2022Observed: 3.06 ft at 9:45AM May 25, 2022Observed: 3.06 ft at 10:00AM May 25, 2022Observed: 3.06 ft at 10:15AM May 25, 2022Observed: 3.06 ft at 10:30AM May 25, 2022Observed: 3.06 ft at 10:45AM May 25, 2022Observed: 3.07 ft at 11:00AM May 25, 2022Observed: 3.07 ft at 11:15AM May 25, 2022Observed: 3.07 ft at 11:30AM May 25, 2022Observed: 3.07 ft at 11:45AM May 25, 2022Observed: 3.07 ft at 12:00PM May 25, 2022Observed: 3.07 ft at 12:15PM May 25, 2022Observed: 3.07 ft at 12:30PM May 25, 2022Observed: 3.07 ft at 12:45PM May 25, 2022Observed: 3.07 ft at 1:00PM May 25, 2022Observed: 3.07 ft at 1:15PM May 25, 2022Observed: 3.07 ft at 1:30PM May 25, 2022Observed: 3.07 ft at 1:45PM May 25, 2022Observed: 3.07 ft at 2:00PM May 25, 2022Observed: 3.08 ft at 2:15PM May 25, 2022Observed: 3.07 ft at 2:30PM May 25, 2022Observed: 3.07 ft at 2:45PM May 25, 2022Observed: 3.07 ft at 3:00PM May 25, 2022Observed: 3.07 ft at 3:15PM May 25, 2022Observed: 3.07 ft at 3:30PM May 25, 2022Observed: 3.06 ft at 3:45PM May 25, 2022Observed: 3.06 ft at 4:00PM May 25, 2022Observed: 3.06 ft at 4:15PM May 25, 2022Observed: 3.06 ft at 4:30PM May 25, 2022Observed: 3.06 ft at 4:45PM May 25, 2022Observed: 3.06 ft at 5:00PM May 25, 2022Observed: 3.05 ft at 5:15PM May 25, 2022Observed: 3.05 ft at 5:30PM May 25, 2022Observed: 3.04 ft at 5:45PM May 25, 2022Observed: 3.04 ft at 6:00PM May 25, 2022Observed: 3.04 ft at 6:15PM May 25, 2022Observed: 3.02 ft at 6:30PM May 25, 2022Observed: 2.99 ft at 6:45PM May 25, 2022Observed: 2.98 ft at 7:00PM May 25, 2022Observed: 2.97 ft at 7:15PM May 25, 2022Observed: 2.96 ft at 7:30PM May 25, 2022Observed: 2.96 ft at 7:45PM May 25, 2022Observed: 2.97 ft at 8:00PM May 25, 2022Observed: 2.97 ft at 8:15PM May 25, 2022Observed: 2.97 ft at 8:30PM May 25, 2022Observed: 2.97 ft at 8:45PM May 25, 2022Observed: 2.98 ft at 9:00PM May 25, 2022Observed: 2.98 ft at 9:15PM May 25, 2022Observed: 2.98 ft at 9:30PM May 25, 2022Observed: 2.98 ft at 9:45PM May 25, 2022Observed: 2.98 ft at 10:00PM May 25, 2022Observed: 2.98 ft at 10:15PM May 25, 2022Observed: 2.98 ft at 10:30PM May 25, 2022Observed: 2.98 ft at 10:45PM May 25, 2022Observed: 2.98 ft at 11:00PM May 25, 2022Observed: 2.98 ft at 11:15PM May 25, 2022Observed: 2.98 ft at 11:30PM May 25, 2022Observed: 2.98 ft at 11:45PM May 25, 2022Observed: 2.98 ft at 12:00AM May 26, 2022Observed: 2.98 ft at 12:15AM May 26, 2022Observed: 2.98 ft at 12:30AM May 26, 2022Observed: 2.99 ft at 12:45AM May 26, 2022Observed: 2.99 ft at 1:00AM May 26, 2022Observed: 2.99 ft at 1:15AM May 26, 2022Observed: 2.99 ft at 1:30AM May 26, 2022Observed: 2.99 ft at 1:45AM May 26, 2022Observed: 2.99 ft at 2:00AM May 26, 2022Observed: 2.99 ft at 2:15AM May 26, 2022Observed: 2.99 ft at 2:30AM May 26, 2022Observed: 3 ft at 2:45AM May 26, 2022Observed: 3 ft at 3:00AM May 26, 2022Observed: 3 ft at 3:15AM May 26, 2022Observed: 3 ft at 3:30AM May 26, 2022Observed: 3 ft at 3:45AM May 26, 2022Observed: 3 ft at 4:00AM May 26, 2022Observed: 3 ft at 4:15AM May 26, 2022Observed: 3.01 ft at 4:30AM May 26, 2022Observed: 3.01 ft at 4:45AM May 26, 2022Observed: 3.01 ft at 5:00AM May 26, 2022Observed: 3.02 ft at 5:15AM May 26, 2022Observed: 3.02 ft at 5:30AM May 26, 2022Observed: 3.02 ft at 5:45AM May 26, 2022Observed: 3.02 ft at 6:00AM May 26, 2022Observed: 3.03 ft at 6:15AM May 26, 2022Observed: 3.03 ft at 6:30AM May 26, 2022Forecast: 3.04 ft 11:00AM May 26, 2022Forecast: 3.04 ft 5:00PM May 26, 2022Forecast: 3.03 ft 11:00PM May 26, 2022Forecast: 3.03 ft 5:00AM May 27, 2022Forecast: 3.01 ft 11:00AM May 27, 2022Forecast: 2.99 ft 5:00PM May 27, 2022Forecast: 2.98 ft 11:00PM May 27, 2022Forecast: 2.99 ft 5:00AM May 28, 2022Forecast: 3.02 ft 11:00AM May 28, 2022Forecast: 3.06 ft 5:00PM May 28, 2022Highest Forecast: 3.07 ft 11:00PM May 28, 2022Highest Forecast: 3.07 ft 5:00AM May 29, 2022Forecast: 3.06 ft 11:00AM May 29, 2022Forecast: 3.02 ft 5:00PM May 29, 2022Forecast: 2.98 ft 11:00PM May 29, 2022Forecast: 2.96 ft 5:00AM May 30, 2022Forecast: 2.94 ft 11:00AM May 30, 2022Forecast: 2.93 ft 5:00PM May 30, 2022Forecast: 2.92 ft 11:00PM May 30, 2022Forecast: 2.92 ft 5:00AM May 31, 2022Forecast: 2.91 ft 11:00AM May 31, 2022Forecast: 2.9 ft 5:00PM May 31, 2022Forecast: 2.89 ft 11:00PM May 31, 2022Forecast: 2.88 ft 5:00AM Jun 01, 2022Forecast: 2.88 ft 11:00AM Jun 01, 2022Forecast: 2.87 ft 5:00PM Jun 01, 2022Forecast: 2.86 ft 11:00PM Jun 01, 2022Forecast: 2.85 ft 5:00AM Jun 02, 2022MADO3(plotting HGIRG) Graph Created (6:45AM May 26, 2022)ObservedForecast (issued 2:56PM May 25)Latest observed value: 3.03 ft at 6:30 AM PDT 26-May-2022.
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NOTE: Forecasts for the Malheur River above Drewsey are issued routinely year-round.
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Downstream Gauge Downstream Locations
Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:13
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Gauge LocationGauge Map Marker
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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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Latitude: 43.784722° N, Longitude: 118.330556° 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 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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