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Weather Forecast Office Boise, ID

Northwest River Forecast Center

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River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (MST) Datum: Not Available Metadata

NOTE: Stage may be affected by ice. NOTE: Forecasts for the Middle Fork Salmon River at Middle Fork Lodge are issued routinely year-round.

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Flood Categories (in feet) Not Available Historic Crests (1) 10.80 ft on 06/16/1974 (2) 8.75 ft on 06/01/2017 (3) 8.68 ft on 06/05/2010 (4) 8.49 ft on 05/21/2008 (5) 8.23 ft on 05/31/2003 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 6.89 ft on 06/13/2022 (P) (2) 4.49 ft on 05/08/2021 (3) 5.57 ft on 05/31/2020 (4) 6.64 ft on 05/15/2019 (5) 7.13 ft on 05/10/2018 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

Zoom Level:13 Legend FEMA Layer Gauge Location 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.

About This Location

Latitude: 44.721519° N, Longitude: 115.014347° 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 4380 ft 4281 ft   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Middle Fork Lodge

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Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information FEMA National Flood Insurance Program USGS Water Resources

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:28 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities