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Hydrograph River at a Glance Download Inundation
Mapping
Boise River at Boise (Glenwood Bridge) River Discharge (cfs)Stage (ft)Observed: 677 cfs at 3:30AM Aug 23, 2019Observed: 671 cfs at 3:45AM Aug 23, 2019Observed: 659 cfs at 4:00AM Aug 23, 2019Observed: 665 cfs at 4:15AM Aug 23, 2019Observed: 659 cfs at 4:30AM Aug 23, 2019Observed: 665 cfs at 4:45AM Aug 23, 2019Observed: 665 cfs at 5:00AM Aug 23, 2019Observed: 659 cfs at 5:15AM Aug 23, 2019Observed: 652 cfs at 5:30AM Aug 23, 2019Observed: 671 cfs at 5:45AM Aug 23, 2019Observed: 652 cfs at 6:00AM Aug 23, 2019Observed: 665 cfs at 6:15AM Aug 23, 2019Observed: 677 cfs at 6:30AM Aug 23, 2019Observed: 665 cfs at 6:45AM Aug 23, 2019Observed: 677 cfs at 7:00AM Aug 23, 2019Observed: 683 cfs at 7:15AM Aug 23, 2019Observed: 671 cfs at 7:30AM Aug 23, 2019Observed: 683 cfs at 7:45AM Aug 23, 2019Observed: 677 cfs at 8:00AM Aug 23, 2019Observed: 634 cfs at 8:15AM Aug 23, 2019Observed: 659 cfs at 8:30AM Aug 23, 2019Observed: 671 cfs at 8:45AM Aug 23, 2019Observed: 652 cfs at 9:00AM Aug 23, 2019Observed: 665 cfs at 9:15AM Aug 23, 2019Observed: 665 cfs at 9:30AM Aug 23, 2019Observed: 652 cfs at 9:45AM Aug 23, 2019Observed: 677 cfs at 10:00AM Aug 23, 2019Observed: 646 cfs at 10:15AM Aug 23, 2019Observed: 677 cfs at 10:30AM Aug 23, 2019Observed: 659 cfs at 10:45AM Aug 23, 2019Observed: 677 cfs at 11:00AM Aug 23, 2019Observed: 677 cfs at 11:15AM Aug 23, 2019Observed: 671 cfs at 11:30AM Aug 23, 2019Observed: 677 cfs at 11:45AM Aug 23, 2019Observed: 671 cfs at 12:00PM Aug 23, 2019Observed: 677 cfs at 12:15PM Aug 23, 2019Observed: 683 cfs at 12:30PM Aug 23, 2019Observed: 677 cfs at 12:45PM Aug 23, 2019Observed: 677 cfs at 1:00PM Aug 23, 2019Observed: 709 cfs at 1:15PM Aug 23, 2019Observed: 709 cfs at 1:30PM Aug 23, 2019Observed: 702 cfs at 1:45PM Aug 23, 2019Observed: 683 cfs at 2:00PM Aug 23, 2019Observed: 690 cfs at 2:15PM Aug 23, 2019Observed: 677 cfs at 2:30PM Aug 23, 2019Observed: 690 cfs at 2:45PM Aug 23, 2019Observed: 677 cfs at 3:00PM Aug 23, 2019Observed: 683 cfs at 3:15PM Aug 23, 2019Observed: 677 cfs at 3:30PM Aug 23, 2019Observed: 671 cfs at 3:45PM Aug 23, 2019Observed: 690 cfs at 4:00PM Aug 23, 2019Observed: 696 cfs at 4:15PM Aug 23, 2019Observed: 671 cfs at 4:30PM Aug 23, 2019Observed: 696 cfs at 4:45PM Aug 23, 2019Observed: 677 cfs at 5:00PM Aug 23, 2019Observed: 677 cfs at 5:15PM Aug 23, 2019Observed: 677 cfs at 5:30PM Aug 23, 2019Observed: 677 cfs at 5:45PM Aug 23, 2019Observed: 690 cfs at 6:00PM Aug 23, 2019Observed: 683 cfs at 6:15PM Aug 23, 2019Observed: 696 cfs at 6:30PM Aug 23, 2019Observed: 677 cfs at 6:45PM Aug 23, 2019Observed: 683 cfs at 7:00PM Aug 23, 2019Observed: 677 cfs at 7:15PM Aug 23, 2019Observed: 677 cfs at 7:30PM Aug 23, 2019Observed: 677 cfs at 7:45PM Aug 23, 2019Observed: 665 cfs at 9:00PM Aug 23, 2019Observed: 690 cfs at 9:15PM Aug 23, 2019Observed: 690 cfs at 9:30PM Aug 23, 2019Observed: 690 cfs at 9:45PM Aug 23, 2019Observed: 696 cfs at 10:00PM Aug 23, 2019Observed: 683 cfs at 10:15PM Aug 23, 2019Observed: 690 cfs at 10:30PM Aug 23, 2019Observed: 683 cfs at 10:45PM Aug 23, 2019Observed: 683 cfs at 11:15PM Aug 23, 2019Observed: 690 cfs at 11:30PM Aug 23, 2019Observed: 683 cfs at 11:45PM Aug 23, 2019Observed: 671 cfs at 12:00AM Aug 24, 2019Observed: 683 cfs at 12:15AM Aug 24, 2019Observed: 683 cfs at 12:30AM Aug 24, 2019Observed: 677 cfs at 12:45AM Aug 24, 2019Observed: 683 cfs at 1:00AM Aug 24, 2019Observed: 683 cfs at 1:15AM Aug 24, 2019Observed: 671 cfs at 1:30AM Aug 24, 2019Observed: 677 cfs at 1:45AM Aug 24, 2019Observed: 659 cfs at 2:00AM Aug 24, 2019Observed: 683 cfs at 2:15AM Aug 24, 2019Observed: 690 cfs at 2:30AM Aug 24, 2019Observed: 677 cfs at 2:45AM Aug 24, 2019Observed: 690 cfs at 3:00AM Aug 24, 2019Observed: 702 cfs at 3:15AM Aug 24, 2019Observed: 683 cfs at 3:30AM Aug 24, 2019Observed: 690 cfs at 3:45AM Aug 24, 2019Observed: 683 cfs at 4:00AM Aug 24, 2019Observed: 683 cfs at 4:15AM Aug 24, 2019Observed: 683 cfs at 4:30AM Aug 24, 2019Observed: 677 cfs at 4:45AM Aug 24, 2019Observed: 683 cfs at 5:00AM Aug 24, 2019Observed: 696 cfs at 5:15AM Aug 24, 2019Observed: 671 cfs at 5:30AM Aug 24, 2019Observed: 702 cfs at 5:45AM Aug 24, 2019Observed: 677 cfs at 6:00AM Aug 24, 2019Observed: 690 cfs at 6:15AM Aug 24, 2019Observed: 709 cfs at 6:30AM Aug 24, 2019Observed: 690 cfs at 6:45AM Aug 24, 2019Observed: 690 cfs at 7:00AM Aug 24, 2019Observed: 690 cfs at 7:15AM Aug 24, 2019Observed: 683 cfs at 7:30AM Aug 24, 2019Observed: 702 cfs at 7:45AM Aug 24, 2019Observed: 690 cfs at 8:00AM Aug 24, 2019Observed: 696 cfs at 8:15AM Aug 24, 2019Observed: 683 cfs at 8:30AM Aug 24, 2019Observed: 677 cfs at 8:45AM Aug 24, 2019Observed: 696 cfs at 9:00AM Aug 24, 2019Observed: 696 cfs at 9:15AM Aug 24, 2019Observed: 690 cfs at 9:30AM Aug 24, 2019Observed: 715 cfs at 9:45AM Aug 24, 2019Observed: 690 cfs at 10:00AM Aug 24, 2019Observed: 683 cfs at 10:15AM Aug 24, 2019Observed: 702 cfs at 10:30AM Aug 24, 2019Observed: 690 cfs at 10:45AM Aug 24, 2019Observed: 709 cfs at 11:00AM Aug 24, 2019Observed: 696 cfs at 11:15AM Aug 24, 2019Observed: 690 cfs at 11:30AM Aug 24, 2019Observed: 702 cfs at 11:45AM Aug 24, 2019Observed: 690 cfs at 12:00PM Aug 24, 2019Observed: 696 cfs at 12:15PM Aug 24, 2019Observed: 715 cfs at 12:30PM Aug 24, 2019Observed: 690 cfs at 12:45PM Aug 24, 2019Observed: 683 cfs at 1:00PM Aug 24, 2019Observed: 646 cfs at 1:15PM Aug 24, 2019Observed: 652 cfs at 1:30PM Aug 24, 2019Observed: 702 cfs at 1:45PM Aug 24, 2019Observed: 683 cfs at 2:00PM Aug 24, 2019Observed: 690 cfs at 2:15PM Aug 24, 2019Observed: 696 cfs at 2:30PM Aug 24, 2019Observed: 683 cfs at 2:45PM Aug 24, 2019Observed: 702 cfs at 3:00PM Aug 24, 2019Observed: 690 cfs at 3:15PM Aug 24, 2019Observed: 690 cfs at 3:30PM Aug 24, 2019Observed: 702 cfs at 3:45PM Aug 24, 2019Observed: 690 cfs at 4:00PM Aug 24, 2019Observed: 702 cfs at 4:15PM Aug 24, 2019Observed: 702 cfs at 4:30PM Aug 24, 2019Observed: 696 cfs at 4:45PM Aug 24, 2019Observed: 696 cfs at 5:00PM Aug 24, 2019Observed: 702 cfs at 5:15PM Aug 24, 2019Observed: 702 cfs at 5:30PM Aug 24, 2019Observed: 683 cfs at 5:45PM Aug 24, 2019Observed: 696 cfs at 6:00PM Aug 24, 2019Observed: 677 cfs at 6:15PM Aug 24, 2019Observed: 683 cfs at 6:30PM Aug 24, 2019Observed: 690 cfs at 6:45PM Aug 24, 2019Observed: 683 cfs at 7:00PM Aug 24, 2019Observed: 690 cfs at 7:15PM Aug 24, 2019Observed: 690 cfs at 7:30PM Aug 24, 2019Observed: 690 cfs at 7:45PM Aug 24, 2019Observed: 690 cfs at 8:00PM Aug 24, 2019Observed: 696 cfs at 8:15PM Aug 24, 2019Observed: 690 cfs at 8:30PM Aug 24, 2019Observed: 702 cfs at 8:45PM Aug 24, 2019Observed: 702 cfs at 9:00PM Aug 24, 2019Observed: 696 cfs at 9:15PM Aug 24, 2019Observed: 721 cfs at 9:30PM Aug 24, 2019Observed: 696 cfs at 9:45PM Aug 24, 2019Observed: 709 cfs at 10:00PM Aug 24, 2019Observed: 702 cfs at 10:15PM Aug 24, 2019Observed: 702 cfs at 10:30PM Aug 24, 2019Observed: 715 cfs at 10:45PM Aug 24, 2019Observed: 702 cfs at 11:15PM Aug 24, 2019Observed: 702 cfs at 11:30PM Aug 24, 2019Observed: 715 cfs at 11:45PM Aug 24, 2019Observed: 683 cfs at 12:00AM Aug 25, 2019Observed: 683 cfs at 12:15AM Aug 25, 2019Observed: 709 cfs at 12:30AM Aug 25, 2019Observed: 696 cfs at 12:45AM Aug 25, 2019Observed: 683 cfs at 1:00AM Aug 25, 2019Observed: 702 cfs at 1:15AM Aug 25, 2019Observed: 696 cfs at 1:30AM Aug 25, 2019Observed: 702 cfs at 1:45AM Aug 25, 2019Observed: 696 cfs at 2:00AM Aug 25, 2019Observed: 696 cfs at 2:15AM Aug 25, 2019Observed: 709 cfs at 2:30AM Aug 25, 2019Observed: 709 cfs at 2:45AM Aug 25, 2019Observed: 696 cfs at 3:00AM Aug 25, 2019Observed: 709 cfs at 3:15AM Aug 25, 2019Observed: 683 cfs at 3:30AM Aug 25, 2019Observed: 702 cfs at 3:45AM Aug 25, 2019Observed: 696 cfs at 4:00AM Aug 25, 2019Observed: 696 cfs at 4:15AM Aug 25, 2019Observed: 709 cfs at 4:30AM Aug 25, 2019Observed: 690 cfs at 4:45AM Aug 25, 2019Observed: 696 cfs at 5:00AM Aug 25, 2019Observed: 696 cfs at 5:15AM Aug 25, 2019Observed: 696 cfs at 5:30AM Aug 25, 2019Observed: 709 cfs at 5:45AM Aug 25, 2019Observed: 683 cfs at 6:00AM Aug 25, 2019Observed: 702 cfs at 6:15AM Aug 25, 2019Observed: 702 cfs at 6:30AM Aug 25, 2019Observed: 690 cfs at 6:45AM Aug 25, 2019Observed: 709 cfs at 7:00AM Aug 25, 2019Observed: 709 cfs at 7:15AM Aug 25, 2019Observed: 690 cfs at 7:30AM Aug 25, 2019Observed: 696 cfs at 7:45AM Aug 25, 2019Observed: 696 cfs at 8:00AM Aug 25, 2019Observed: 690 cfs at 8:15AM Aug 25, 2019Observed: 709 cfs at 8:30AM Aug 25, 2019Observed: 696 cfs at 8:45AM Aug 25, 2019Observed: 709 cfs at 9:00AM Aug 25, 2019Observed: 709 cfs at 9:15AM Aug 25, 2019Observed: 696 cfs at 9:30AM Aug 25, 2019Observed: 709 cfs at 9:45AM Aug 25, 2019Observed: 702 cfs at 10:00AM Aug 25, 2019Observed: 709 cfs at 10:15AM Aug 25, 2019Observed: 709 cfs at 10:30AM Aug 25, 2019Observed: 690 cfs at 10:45AM Aug 25, 2019Observed: 702 cfs at 11:00AM Aug 25, 2019Observed: 696 cfs at 11:15AM Aug 25, 2019Observed: 702 cfs at 11:30AM Aug 25, 2019Observed: 696 cfs at 11:45AM Aug 25, 2019Observed: 690 cfs at 12:00PM Aug 25, 2019Observed: 709 cfs at 12:15PM Aug 25, 2019Observed: 702 cfs at 12:30PM Aug 25, 2019Observed: 690 cfs at 12:45PM Aug 25, 2019Observed: 702 cfs at 1:00PM Aug 25, 2019Observed: 683 cfs at 1:15PM Aug 25, 2019Highest Observation: 747 cfs at 1:30PM Aug 25, 2019Observed: 715 cfs at 1:45PM Aug 25, 2019Observed: 696 cfs at 2:00PM Aug 25, 2019Observed: 721 cfs at 2:15PM Aug 25, 2019Observed: 690 cfs at 2:30PM Aug 25, 2019Observed: 709 cfs at 2:45PM Aug 25, 2019Observed: 709 cfs at 3:00PM Aug 25, 2019Observed: 677 cfs at 3:15PM Aug 25, 2019Observed: 671 cfs at 3:30PM Aug 25, 2019Observed: 721 cfs at 3:45PM Aug 25, 2019Observed: 696 cfs at 4:00PM Aug 25, 2019Observed: 702 cfs at 4:15PM Aug 25, 2019Observed: 715 cfs at 4:30PM Aug 25, 2019Observed: 696 cfs at 4:45PM Aug 25, 2019Observed: 677 cfs at 5:00PM Aug 25, 2019Observed: 696 cfs at 5:15PM Aug 25, 2019Observed: 690 cfs at 5:30PM Aug 25, 2019Observed: 683 cfs at 5:45PM Aug 25, 2019Observed: 696 cfs at 6:00PM Aug 25, 2019Observed: 671 cfs at 6:15PM Aug 25, 2019Observed: 683 cfs at 6:30PM Aug 25, 2019Observed: 690 cfs at 6:45PM Aug 25, 2019Observed: 683 cfs at 7:00PM Aug 25, 2019Observed: 690 cfs at 7:15PM Aug 25, 2019Observed: 677 cfs at 7:30PM Aug 25, 2019Observed: 683 cfs at 7:45PM Aug 25, 2019Observed: 696 cfs at 8:00PM Aug 25, 2019Observed: 683 cfs at 8:15PM Aug 25, 2019Observed: 702 cfs at 8:30PM Aug 25, 2019Observed: 696 cfs at 8:45PM Aug 25, 2019Observed: 690 cfs at 9:00PM Aug 25, 2019Observed: 702 cfs at 9:15PM Aug 25, 2019Observed: 702 cfs at 9:30PM Aug 25, 2019Observed: 702 cfs at 9:45PM Aug 25, 2019Observed: 715 cfs at 10:00PM Aug 25, 2019Observed: 696 cfs at 10:15PM Aug 25, 2019Observed: 715 cfs at 10:30PM Aug 25, 2019Observed: 709 cfs at 10:45PM Aug 25, 2019Observed: 696 cfs at 11:15PM Aug 25, 2019Observed: 715 cfs at 11:30PM Aug 25, 2019Observed: 709 cfs at 11:45PM Aug 25, 2019Observed: 709 cfs at 12:00AM Aug 26, 2019Observed: 721 cfs at 12:15AM Aug 26, 2019Observed: 709 cfs at 12:30AM Aug 26, 2019Observed: 721 cfs at 12:45AM Aug 26, 2019Observed: 702 cfs at 1:00AM Aug 26, 2019Observed: 696 cfs at 1:15AM Aug 26, 2019Observed: 715 cfs at 1:30AM Aug 26, 2019Observed: 696 cfs at 1:45AM Aug 26, 2019Observed: 702 cfs at 2:00AM Aug 26, 2019Observed: 721 cfs at 2:15AM Aug 26, 2019Observed: 696 cfs at 2:30AM Aug 26, 2019Observed: 721 cfs at 2:45AM Aug 26, 2019Forecast: 659 cfs 6:00AM Aug 26, 2019Forecast: 659 cfs 12:00PM Aug 26, 2019Forecast: 665 cfs 6:00PM Aug 26, 2019Forecast: 665 cfs 12:00AM Aug 27, 2019Forecast: 671 cfs 6:00AM Aug 27, 2019Forecast: 671 cfs 12:00PM Aug 27, 2019Forecast: 671 cfs 6:00PM Aug 27, 2019Forecast: 677 cfs 12:00AM Aug 28, 2019Forecast: 677 cfs 6:00AM Aug 28, 2019Forecast: 677 cfs 12:00PM Aug 28, 2019Forecast: 683 cfs 6:00PM Aug 28, 2019Forecast: 683 cfs 12:00AM Aug 29, 2019Forecast: 683 cfs 6:00AM Aug 29, 2019Forecast: 690 cfs 12:00PM Aug 29, 2019Forecast: 690 cfs 6:00PM Aug 29, 2019Forecast: 696 cfs 12:00AM Aug 30, 2019Forecast: 696 cfs 6:00AM Aug 30, 2019Forecast: 696 cfs 12:00PM Aug 30, 2019Forecast: 702 cfs 6:00PM Aug 30, 2019Forecast: 702 cfs 12:00AM Aug 31, 2019Forecast: 702 cfs 6:00AM Aug 31, 2019Forecast: 709 cfs 12:00PM Aug 31, 2019Forecast: 709 cfs 6:00PM Aug 31, 2019Forecast: 709 cfs 12:00AM Sep 01, 2019Forecast: 715 cfs 6:00AM Sep 01, 2019Forecast: 715 cfs 12:00PM Sep 01, 2019Highest Forecast: 721 cfs 6:00PM Sep 01, 2019Highest Forecast: 721 cfs 12:00AM Sep 02, 2019USGS--Water Resources of the United StatesBIGI1(plotting QRIRZ) Graph Created (3:15AM Aug 26, 2019)ObservedForecast (issued 9:51AM Aug 25)Latest observed value: 721 cfs at 2:45 AM MDT 26-Aug-2019. Flood Flow is 7 kcfs
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Boise River at Boise (Glenwood Bridge) are issued routinely year-round.

Vertical datum height surveyed by the USGS

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in KCFS)
Major Flood Flow: 15
Moderate Flood Flow: 11
Flood Flow: 7
Action Flow: 6.5
Low Stage (in feet): -9999

Historic Crests
(1) 9,840 cfs on 06/13/1983
(2) 9,590 cfs on 06/06/2017
(3) 8,350 cfs on 05/31/1998
(4) 8,310 cfs on 05/05/2012
(5) 8,030 cfs on 06/07/1986
(6) 7,630 cfs on 06/29/1982
(7) 7,564 cfs on 06/06/1983
(8) 7,440 cfs on 04/30/2006
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7,340 cfs on 05/06/2019 (P)
(2) 6,130 cfs on 05/28/2018
(3) 9,590 cfs on 06/06/2017
(4) 6,420 cfs on 04/11/2016
(5) 1,770 cfs on 05/19/2015
(6) 2,130 cfs on 03/31/2014
(7) 1,520 cfs on 05/21/2013
(8) 8,310 cfs on 05/05/2012
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:13
KML Image
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
16000 Major flooding will occur near the river in Boise, Garden City, Eagle, Star, and Caldwell. Some residential areas in low lying areas near the river will be flooded with water entering some houses. A flood of this magnitude has not occurred on the Boise River since 1943. Most of the area within the 100 year flood plain, including many city parks near the river, will be underwater. Debris piling up on bridge crossings will cause additional flood damage.
12000 Flooding will occur in low areas and parkland adjacent to the river in Boise, Garden City, Eagle, Star, and Caldwell. Flooding of low lying residential streets in areas adjacent to the river is likely, especially on portions of Eagle Island. Debris damming on bridges crossing the river will occur and may cause water to spill over the road surfaces leading up to the bridge. Park Center Boulevard in southeast Boise will be flooded near the Park Center Pond.
10500 Flooding over Park Center Boulevard in southeast Boise near the Park Center Pond will occur. Flooding will occur in Municiple Park. Flooding near the river will occur in low areas of Boise, Garden City, Eagle, Star and Caldwell. Portions of Eagle Island will be submerged with flooding of residential property in low lying areas near the river likely. The water should remain below the level of most residential structures, but access in and out of some neighborhoods may be limited by high water.
9500 Flooding of low areas near the river in Boise, Garden City, Eagle, Star, and Caldwell will occur. Debris in the river will collect on bridges crossing the river. Water will cover portions of Warm Springs Golf Course in east Boise. The water may affect some residential property near the river, but should stay below the level of most residential structures. The river will spill over its banks between 45th and 47th Street in Garden City into the warehouse district.
8900 Large sections of the green belt will be submerged and severe bank erosion will occur. Flooding will occur in low areas close to the river in Boise, Garden City, Eagle and Caldwell, but the water should remain below the level of most residential areas. Water will seep into the Garden City warehouse district between 45th and 47th streets. Flooding will impact portions or Marianne Williams Park in east Boise.
8500 Large sections of the green belt will be submerged and severe bank erosion will occur. Flooding will occur in low areas close to the river in Boise, Garden City, Eagle and Caldwell, but the water should remain below the level of most residential areas. Water will begin seeping into the Garden City warehouse district between 45th and 47th streets.
8200 Large sections of the green belt will be submerged and severe bank erosion will occur. Flooding will occur in low areas close to the river in Boise, Garden City, Eagle and Caldwell, but the water should remain below the level of most residential areas. Water will begin seeping into the Garden City warehouse district between 45th and 47th streets.
7000 Large sections of the greenbelt path adjacent to the river will be submerged. Erosion of river banks will also become a significant problem. Debris in the river including small trees and logs may begin piling up at bridge crossings. Minor flooding will be observed on sections of Eagle Island and in other low spots near the river. Minor flooding will spread downstream to low areas near the river in Star and Caldwell.
6500 Large sections of the greenbelt path adjacent to the river will be submerged. Minor flooding may affect portions of Eagle Island.
4000 Water will begin seeping onto low spots on the greenbelt path next to the river especially near bridge underpasses.
About This Location Collapse

Latitude: 43.660556° N, Longitude: 116.279167° 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 2600 ft 2610.4 ft  

Current/Historical Observations:

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Hydrologic Resources Additional Resources
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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Page last modified: 1-Mar-2019 12:33 AM
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