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This probabilistic forecast is issued by the Northwest River Forecast Center.
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About this graph
Forecasts for the Snake River at Weiser are issued routinely year-round.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Hells Canyon
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 14.5
Moderate Flood Stage: 13.5
Flood Stage: 12
Action Stage: 11.5
Low Stage (in feet): -9999

Historic Crests
(1) 15.55 ft on 12/20/1972
(2) 15.54 ft on 01/14/1979
(3) 15.00 ft on 02/17/1933
(4) 14.67 ft on 04/29/1952
(5) 14.47 ft on 01/03/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.45 ft on 06/14/2022
(2) 5.52 ft on 05/26/2021
(3) 5.88 ft on 05/27/2020
(4) 10.52 ft on 04/10/2019
(5) 8.09 ft on 05/29/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.32 ft on 07/01/1977
(2) 1.35 ft on 08/05/1924
(3) 1.76 ft on 06/25/1988
Show More Low Water Records
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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
15 Major flooding will occur near the river, with extensive flooding of agricultural land in Malheur County, Oregon with several county roads underwater. Significant flooding will also occur in Weiser, Idaho with floodwater covering the water treatment plant on Mortimer Road. Floodwater may also reach the airport south of Weiser.
13.5 Moderate flooding is likely near Weiser with water overtopping Mortimer Road to a depth of two feet. Flooding of the Weiser Water Treatment Plant is possible. Some county roads in Malheur County near the river will have water flowing over them. Moderate flooding of agricultural land will occur near the river in Malheur County.
12 Flooding of agricultural land near the river is likely in Malheur County, Oregon and in Washington County, Idaho. Mortimer Road in Weiser will be flooded.

Other Real-time and/or Archive Data Sources:
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
Boise Weather Forecast Office
NIFC Building 3807
Boise, ID 83705-5354
(208) 334-9860
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