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Hydrograph River at a Glance Download
Portneuf River at Pocatello Stage (ft)Flow (cfs)Observed: 4.15 ft at 5:00AM Jan 18, 2021Observed: 4.16 ft at 5:15AM Jan 18, 2021Observed: 4.15 ft at 5:30AM Jan 18, 2021Observed: 4.15 ft at 5:45AM Jan 18, 2021Observed: 4.16 ft at 6:00AM Jan 18, 2021Observed: 4.16 ft at 6:15AM Jan 18, 2021Observed: 4.16 ft at 6:30AM Jan 18, 2021Observed: 4.16 ft at 6:45AM Jan 18, 2021Observed: 4.16 ft at 7:00AM Jan 18, 2021Observed: 4.16 ft at 7:15AM Jan 18, 2021Observed: 4.16 ft at 7:30AM Jan 18, 2021Observed: 4.16 ft at 7:45AM Jan 18, 2021Observed: 4.16 ft at 8:00AM Jan 18, 2021Observed: 4.16 ft at 8:15AM Jan 18, 2021Observed: 4.16 ft at 8:30AM Jan 18, 2021Observed: 4.16 ft at 8:45AM Jan 18, 2021Observed: 4.16 ft at 9:00AM Jan 18, 2021Observed: 4.16 ft at 9:15AM Jan 18, 2021Observed: 4.16 ft at 9:30AM Jan 18, 2021Highest Observation: 4.17 ft at 9:45AM Jan 18, 2021Observed: 4.16 ft at 10:00AM Jan 18, 2021Highest Observation: 4.17 ft at 10:15AM Jan 18, 2021Observed: 4.16 ft at 10:30AM Jan 18, 2021Observed: 4.16 ft at 10:45AM Jan 18, 2021Observed: 4.16 ft at 11:00AM Jan 18, 2021Highest Observation: 4.17 ft at 11:15AM Jan 18, 2021Highest Observation: 4.17 ft at 11:30AM Jan 18, 2021Highest Observation: 4.17 ft at 11:45AM Jan 18, 2021Highest Observation: 4.17 ft at 12:00PM Jan 18, 2021Highest Observation: 4.17 ft at 12:15PM Jan 18, 2021Highest Observation: 4.17 ft at 12:30PM Jan 18, 2021Observed: 4.16 ft at 12:45PM Jan 18, 2021Highest Observation: 4.17 ft at 1:00PM Jan 18, 2021Observed: 4.16 ft at 1:15PM Jan 18, 2021Observed: 4.16 ft at 1:30PM Jan 18, 2021Observed: 4.16 ft at 1:45PM Jan 18, 2021Observed: 4.16 ft at 2:00PM Jan 18, 2021Observed: 4.15 ft at 2:15PM Jan 18, 2021Observed: 4.15 ft at 2:30PM Jan 18, 2021Observed: 4.15 ft at 2:45PM Jan 18, 2021Observed: 4.15 ft at 3:00PM Jan 18, 2021Observed: 4.13 ft at 3:15PM Jan 18, 2021Observed: 4.14 ft at 3:30PM Jan 18, 2021Observed: 4.13 ft at 3:45PM Jan 18, 2021Observed: 4.13 ft at 4:00PM Jan 18, 2021Observed: 4.13 ft at 4:15PM Jan 18, 2021Observed: 4.13 ft at 4:30PM Jan 18, 2021Observed: 4.13 ft at 4:45PM Jan 18, 2021Observed: 4.12 ft at 5:00PM Jan 18, 2021Observed: 4.13 ft at 5:15PM Jan 18, 2021Observed: 4.13 ft at 5:30PM Jan 18, 2021Observed: 4.13 ft at 5:45PM Jan 18, 2021Observed: 4.13 ft at 6:00PM Jan 18, 2021Observed: 4.13 ft at 6:15PM Jan 18, 2021Observed: 4.14 ft at 6:30PM Jan 18, 2021Observed: 4.14 ft at 6:45PM Jan 18, 2021Observed: 4.14 ft at 7:00PM Jan 18, 2021Observed: 4.15 ft at 7:15PM Jan 18, 2021Observed: 4.15 ft at 7:30PM Jan 18, 2021Observed: 4.15 ft at 7:45PM Jan 18, 2021Observed: 4.15 ft at 8:00PM Jan 18, 2021Observed: 4.15 ft at 8:15PM Jan 18, 2021Observed: 4.16 ft at 8:30PM Jan 18, 2021Observed: 4.16 ft at 8:45PM Jan 18, 2021Observed: 4.16 ft at 9:00PM Jan 18, 2021Observed: 4.16 ft at 9:15PM Jan 18, 2021Observed: 4.16 ft at 9:30PM Jan 18, 2021Highest Observation: 4.17 ft at 9:45PM Jan 18, 2021Highest Observation: 4.17 ft at 10:00PM Jan 18, 2021Highest Observation: 4.17 ft at 10:15PM Jan 18, 2021Highest Observation: 4.17 ft at 10:30PM Jan 18, 2021Highest Observation: 4.17 ft at 10:45PM Jan 18, 2021Highest Observation: 4.17 ft at 11:00PM Jan 18, 2021Highest Observation: 4.17 ft at 11:15PM Jan 18, 2021Highest Observation: 4.17 ft at 11:30PM Jan 18, 2021Highest Observation: 4.17 ft at 11:45PM Jan 18, 2021Highest Observation: 4.17 ft at 12:00AM Jan 19, 2021Highest Observation: 4.17 ft at 12:15AM Jan 19, 2021Highest Observation: 4.17 ft at 12:30AM Jan 19, 2021Highest Observation: 4.17 ft at 12:45AM Jan 19, 2021Highest Observation: 4.17 ft at 1:00AM Jan 19, 2021Highest Observation: 4.17 ft at 1:15AM Jan 19, 2021Highest Observation: 4.17 ft at 1:30AM Jan 19, 2021Highest Observation: 4.17 ft at 1:45AM Jan 19, 2021Observed: 4.16 ft at 2:00AM Jan 19, 2021Observed: 4.16 ft at 2:15AM Jan 19, 2021Observed: 4.16 ft at 2:30AM Jan 19, 2021Observed: 4.15 ft at 2:45AM Jan 19, 2021Observed: 4.15 ft at 3:00AM Jan 19, 2021Observed: 4.15 ft at 3:15AM Jan 19, 2021Observed: 4.15 ft at 3:30AM Jan 19, 2021Observed: 4.14 ft at 3:45AM Jan 19, 2021Observed: 4.14 ft at 4:00AM Jan 19, 2021Observed: 4.14 ft at 4:15AM Jan 19, 2021Observed: 4.13 ft at 4:30AM Jan 19, 2021Observed: 4.13 ft at 4:45AM Jan 19, 2021Observed: 4.13 ft at 5:00AM Jan 19, 2021Observed: 4.13 ft at 5:15AM Jan 19, 2021Observed: 4.12 ft at 5:30AM Jan 19, 2021Observed: 4.13 ft at 5:45AM Jan 19, 2021Observed: 4.13 ft at 6:00AM Jan 19, 2021Observed: 4.13 ft at 6:15AM Jan 19, 2021Observed: 4.12 ft at 6:30AM Jan 19, 2021Observed: 4.12 ft at 6:45AM Jan 19, 2021Observed: 4.11 ft at 7:00AM Jan 19, 2021Observed: 4.11 ft at 7:15AM Jan 19, 2021Observed: 4.11 ft at 7:30AM Jan 19, 2021Observed: 4.11 ft at 7:45AM Jan 19, 2021Observed: 4.11 ft at 8:00AM Jan 19, 2021Observed: 4.1 ft at 8:15AM Jan 19, 2021Observed: 4.1 ft at 8:30AM Jan 19, 2021Observed: 4.1 ft at 8:45AM Jan 19, 2021Observed: 4.1 ft at 9:00AM Jan 19, 2021Observed: 4.1 ft at 9:15AM Jan 19, 2021Observed: 4.1 ft at 9:30AM Jan 19, 2021Observed: 4.1 ft at 9:45AM Jan 19, 2021Observed: 4.1 ft at 10:00AM Jan 19, 2021Observed: 4.1 ft at 10:15AM Jan 19, 2021Observed: 4.1 ft at 10:30AM Jan 19, 2021Observed: 4.1 ft at 10:45AM Jan 19, 2021Observed: 4.1 ft at 11:00AM Jan 19, 2021Observed: 4.1 ft at 11:15AM Jan 19, 2021Observed: 4.1 ft at 11:30AM Jan 19, 2021Observed: 4.1 ft at 11:45AM Jan 19, 2021Observed: 4.1 ft at 12:00PM Jan 19, 2021Observed: 4.1 ft at 12:15PM Jan 19, 2021Observed: 4.1 ft at 12:30PM Jan 19, 2021Observed: 4.1 ft at 12:45PM Jan 19, 2021Observed: 4.1 ft at 1:00PM Jan 19, 2021Observed: 4.1 ft at 1:15PM Jan 19, 2021Observed: 4.1 ft at 1:30PM Jan 19, 2021Observed: 4.09 ft at 1:45PM Jan 19, 2021Observed: 4.1 ft at 2:00PM Jan 19, 2021Observed: 4.1 ft at 2:15PM Jan 19, 2021Observed: 4.1 ft at 2:30PM Jan 19, 2021Observed: 4.1 ft at 2:45PM Jan 19, 2021Observed: 4.1 ft at 3:00PM Jan 19, 2021Observed: 4.11 ft at 3:15PM Jan 19, 2021Observed: 4.11 ft at 3:30PM Jan 19, 2021Observed: 4.11 ft at 3:45PM Jan 19, 2021Observed: 4.12 ft at 4:00PM Jan 19, 2021Observed: 4.12 ft at 4:15PM Jan 19, 2021Observed: 4.13 ft at 4:30PM Jan 19, 2021Observed: 4.13 ft at 4:45PM Jan 19, 2021Observed: 4.13 ft at 5:00PM Jan 19, 2021Observed: 4.14 ft at 5:15PM Jan 19, 2021Observed: 4.15 ft at 5:30PM Jan 19, 2021Observed: 4.15 ft at 5:45PM Jan 19, 2021Observed: 4.15 ft at 6:00PM Jan 19, 2021Observed: 4.16 ft at 6:15PM Jan 19, 2021Observed: 4.16 ft at 6:30PM Jan 19, 2021Observed: 4.16 ft at 6:45PM Jan 19, 2021Observed: 4.16 ft at 7:00PM Jan 19, 2021Observed: 4.16 ft at 7:15PM Jan 19, 2021Observed: 4.16 ft at 7:30PM Jan 19, 2021Observed: 4.16 ft at 7:45PM Jan 19, 2021Observed: 4.16 ft at 8:00PM Jan 19, 2021Observed: 4.16 ft at 8:15PM Jan 19, 2021Observed: 4.16 ft at 8:30PM Jan 19, 2021Observed: 4.15 ft at 8:45PM Jan 19, 2021Observed: 4.15 ft at 9:00PM Jan 19, 2021Observed: 4.15 ft at 9:15PM Jan 19, 2021Observed: 4.15 ft at 9:30PM Jan 19, 2021Observed: 4.15 ft at 9:45PM Jan 19, 2021Observed: 4.15 ft at 10:00PM Jan 19, 2021Observed: 4.14 ft at 10:15PM Jan 19, 2021Observed: 4.14 ft at 10:30PM Jan 19, 2021Observed: 4.14 ft at 10:45PM Jan 19, 2021Observed: 4.14 ft at 11:00PM Jan 19, 2021Observed: 4.14 ft at 11:15PM Jan 19, 2021Observed: 4.14 ft at 11:30PM Jan 19, 2021Observed: 4.14 ft at 11:45PM Jan 19, 2021Observed: 4.13 ft at 12:00AM Jan 20, 2021Observed: 4.13 ft at 12:15AM Jan 20, 2021Observed: 4.12 ft at 12:30AM Jan 20, 2021Observed: 4.12 ft at 12:45AM Jan 20, 2021Observed: 4.11 ft at 1:00AM Jan 20, 2021Observed: 4.11 ft at 1:15AM Jan 20, 2021Observed: 4.1 ft at 1:30AM Jan 20, 2021Observed: 4.1 ft at 1:45AM Jan 20, 2021Observed: 4.1 ft at 2:00AM Jan 20, 2021Observed: 4.09 ft at 2:15AM Jan 20, 2021Observed: 4.09 ft at 2:30AM Jan 20, 2021Observed: 4.09 ft at 2:45AM Jan 20, 2021Observed: 4.09 ft at 3:00AM Jan 20, 2021Observed: 4.09 ft at 3:15AM Jan 20, 2021Observed: 4.08 ft at 3:30AM Jan 20, 2021Observed: 4.08 ft at 3:45AM Jan 20, 2021Observed: 4.08 ft at 4:00AM Jan 20, 2021Observed: 4.07 ft at 4:15AM Jan 20, 2021Observed: 4.07 ft at 4:30AM Jan 20, 2021Observed: 4.07 ft at 4:45AM Jan 20, 2021Observed: 4.07 ft at 5:00AM Jan 20, 2021Observed: 4.07 ft at 5:15AM Jan 20, 2021Observed: 4.07 ft at 5:30AM Jan 20, 2021Observed: 4.06 ft at 5:45AM Jan 20, 2021Observed: 4.06 ft at 6:00AM Jan 20, 2021Observed: 4.06 ft at 6:15AM Jan 20, 2021Observed: 4.06 ft at 6:30AM Jan 20, 2021Observed: 4.06 ft at 6:45AM Jan 20, 2021Observed: 4.05 ft at 7:00AM Jan 20, 2021Observed: 4.05 ft at 7:15AM Jan 20, 2021Observed: 4.05 ft at 7:30AM Jan 20, 2021Observed: 4.04 ft at 7:45AM Jan 20, 2021Observed: 4.04 ft at 8:00AM Jan 20, 2021Observed: 4.04 ft at 8:15AM Jan 20, 2021Observed: 4.03 ft at 8:30AM Jan 20, 2021Observed: 4.03 ft at 8:45AM Jan 20, 2021Observed: 4.03 ft at 9:00AM Jan 20, 2021Observed: 4.03 ft at 9:15AM Jan 20, 2021Observed: 4.02 ft at 9:30AM Jan 20, 2021Observed: 4.02 ft at 9:45AM Jan 20, 2021Observed: 4.02 ft at 10:00AM Jan 20, 2021Observed: 4.02 ft at 10:15AM Jan 20, 2021Observed: 4.02 ft at 10:30AM Jan 20, 2021Observed: 4.01 ft at 10:45AM Jan 20, 2021Observed: 4.01 ft at 11:00AM Jan 20, 2021Observed: 4.01 ft at 11:15AM Jan 20, 2021Observed: 4.01 ft at 11:30AM Jan 20, 2021Observed: 4.01 ft at 11:45AM Jan 20, 2021Observed: 4.01 ft at 12:00PM Jan 20, 2021Observed: 4.01 ft at 12:15PM Jan 20, 2021Observed: 4.01 ft at 12:30PM Jan 20, 2021Observed: 4.02 ft at 12:45PM Jan 20, 2021Observed: 4.02 ft at 1:00PM Jan 20, 2021Observed: 4.03 ft at 1:15PM Jan 20, 2021Observed: 4.03 ft at 1:30PM Jan 20, 2021Observed: 4.04 ft at 1:45PM Jan 20, 2021Observed: 4.04 ft at 2:00PM Jan 20, 2021Observed: 4.05 ft at 2:15PM Jan 20, 2021Observed: 4.05 ft at 2:30PM Jan 20, 2021Observed: 4.06 ft at 2:45PM Jan 20, 2021Observed: 4.06 ft at 3:00PM Jan 20, 2021Observed: 4.07 ft at 3:15PM Jan 20, 2021Observed: 4.07 ft at 3:30PM Jan 20, 2021Observed: 4.08 ft at 3:45PM Jan 20, 2021Observed: 4.08 ft at 4:00PM Jan 20, 2021Observed: 4.08 ft at 4:15PM Jan 20, 2021Observed: 4.09 ft at 4:30PM Jan 20, 2021Observed: 4.09 ft at 4:45PM Jan 20, 2021Observed: 4.09 ft at 5:00PM Jan 20, 2021Observed: 4.09 ft at 5:15PM Jan 20, 2021Observed: 4.09 ft at 5:30PM Jan 20, 2021Observed: 4.09 ft at 5:45PM Jan 20, 2021Observed: 4.09 ft at 6:00PM Jan 20, 2021Observed: 4.1 ft at 6:15PM Jan 20, 2021Observed: 4.09 ft at 6:30PM Jan 20, 2021Observed: 4.1 ft at 6:45PM Jan 20, 2021Observed: 4.1 ft at 7:00PM Jan 20, 2021Observed: 4.09 ft at 7:15PM Jan 20, 2021Observed: 4.09 ft at 7:30PM Jan 20, 2021Observed: 4.09 ft at 7:45PM Jan 20, 2021Observed: 4.09 ft at 8:00PM Jan 20, 2021Observed: 4.08 ft at 8:15PM Jan 20, 2021Observed: 4.08 ft at 8:30PM Jan 20, 2021Observed: 4.08 ft at 8:45PM Jan 20, 2021Observed: 4.08 ft at 9:00PM Jan 20, 2021Observed: 4.07 ft at 9:15PM Jan 20, 2021Observed: 4.07 ft at 9:30PM Jan 20, 2021Observed: 4.06 ft at 9:45PM Jan 20, 2021Observed: 4.06 ft at 10:00PM Jan 20, 2021Observed: 4.06 ft at 10:15PM Jan 20, 2021Observed: 4.06 ft at 10:30PM Jan 20, 2021Observed: 4.05 ft at 10:45PM Jan 20, 2021Observed: 4.05 ft at 11:00PM Jan 20, 2021Observed: 4.05 ft at 11:15PM Jan 20, 2021Observed: 4.05 ft at 11:30PM Jan 20, 2021Observed: 4.05 ft at 11:45PM Jan 20, 2021Observed: 4.05 ft at 12:00AM Jan 21, 2021Observed: 4.05 ft at 12:15AM Jan 21, 2021Observed: 4.05 ft at 12:30AM Jan 21, 2021Observed: 4.05 ft at 12:45AM Jan 21, 2021Observed: 4.05 ft at 1:00AM Jan 21, 2021Observed: 4.06 ft at 1:15AM Jan 21, 2021Observed: 4.07 ft at 1:30AM Jan 21, 2021Observed: 4.07 ft at 1:45AM Jan 21, 2021Observed: 4.07 ft at 2:00AM Jan 21, 2021Observed: 4.07 ft at 2:15AM Jan 21, 2021Observed: 4.08 ft at 2:30AM Jan 21, 2021Observed: 4.08 ft at 2:45AM Jan 21, 2021Observed: 4.09 ft at 3:00AM Jan 21, 2021Observed: 4.09 ft at 3:15AM Jan 21, 2021Observed: 4.09 ft at 3:30AM Jan 21, 2021Observed: 4.1 ft at 3:45AM Jan 21, 2021Forecast: 4.04 ft 5:00AM Jan 21, 2021Forecast: 4.04 ft 11:00AM Jan 21, 2021Forecast: 4.04 ft 5:00PM Jan 21, 2021Forecast: 4.05 ft 11:00PM Jan 21, 2021Forecast: 4.05 ft 5:00AM Jan 22, 2021Forecast: 4.05 ft 11:00AM Jan 22, 2021Highest Forecast: 4.06 ft 5:00PM Jan 22, 2021Highest Forecast: 4.06 ft 11:00PM Jan 22, 2021Highest Forecast: 4.06 ft 5:00AM Jan 23, 2021Highest Forecast: 4.06 ft 11:00AM Jan 23, 2021Highest Forecast: 4.06 ft 5:00PM Jan 23, 2021Highest Forecast: 4.06 ft 11:00PM Jan 23, 2021Forecast: 4.05 ft 5:00AM Jan 24, 2021Forecast: 4.05 ft 11:00AM Jan 24, 2021Forecast: 4.05 ft 5:00PM Jan 24, 2021Forecast: 4.05 ft 11:00PM Jan 24, 2021Forecast: 4.05 ft 5:00AM Jan 25, 2021Forecast: 4.05 ft 11:00AM Jan 25, 2021Forecast: 4.05 ft 5:00PM Jan 25, 2021Forecast: 4.04 ft 11:00PM Jan 25, 2021Forecast: 4.04 ft 5:00AM Jan 26, 2021Forecast: 4.04 ft 11:00AM Jan 26, 2021Forecast: 4.04 ft 5:00PM Jan 26, 2021Forecast: 4.04 ft 11:00PM Jan 26, 2021Forecast: 4.04 ft 5:00AM Jan 27, 2021Forecast: 4.04 ft 11:00AM Jan 27, 2021Forecast: 4.04 ft 5:00PM Jan 27, 2021Forecast: 4.04 ft 11:00PM Jan 27, 2021USGS--Water Resources of the United StatesPIHI1(plotting HGIRG) Graph Created (4:48AM Jan 21, 2021)ObservedForecast (issued 5:13PM Jan 20)Latest observed value: 4.1 ft at 3:45 AM MST 21-Jan-2021. Flood Stage is 8.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Stage may be affected by ice during winter months.

NOTE: Forecasts for the Portneuf River at Pocatello are issued routinely year-round.

Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Tyhee
Flood Categories (in feet)
Major Flood Stage: 11
Moderate Flood Stage: 10
Flood Stage: 8.5
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 13.85 ft on 05/17/1984
(2) 11.19 ft on 05/31/1983
(3) 10.52 ft on 05/03/2006
(4) 9.95 ft on 05/27/2011
(5) 9.83 ft on 05/14/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.98 ft on 05/02/2020 (P)
(2) 9.26 ft on 04/27/2019
(3) 8.66 ft on 04/30/2018
(4) 9.83 ft on 05/14/2017
(5) 7.33 ft on 04/15/2016
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:14
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
10 or 1146 cfs... Significant flooding of agricultural land will occur from the Inkom and Blackrock area. Lowland flooding will occur along sections of the river in Pocatello from Portnuef Gap to the Cheyenne Avenue Bridge and downstream of the concrete channel beginning at Sacajawea Park.
9.4 or 1015 cfs... Water will encroach around sitting benches near the river at the Pacific Recycling Trailhead.
9.15 or 962 cfs... Flooding of low lying agricultural land and pasture will occur in the Inkom and Blackrock area. Lowland flooding is likely along sections of the river between Portneuf Gap and the Cheyenne Avenue Bridge in Pocatello.
8.5 or 830 cfs... Sections of Sacajawea Park will be under water and the trail is usually closed at this level. Marsh Creek near Inkom may also be over its banks.
8 or 735 cfs... Water will encroach onto portions of the bike and walking trail next to the river in Sacajawea Park in Pocatello.
Photos
(1) PIHI1_googleearth
(2) PIHI1_map
(3) PIHI1_gagehouse_surveycable
(4) PIHI1_looking_upstream
(5) PIHI1_looking_downstream
(6) PIHI1_lookingstraightfromgage
(7) PIHI1_portneuf_river_canal
(8) PIHI1_portneuf_areal_canal
(9) PIHI1
About This Location Collapse

Latitude: 42.871614° N, Longitude: 112.468206° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8.5 ft 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 4418.41 ft 4426.91 ft 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:
Additional Information Collapse
Historical Peak Flows     (Scroll to Streamflow Statistics for more years)
USGS Historical Peak Flows Explanation
Graphical View of Historical Peak Flows and Gage Analysis 

25   Year Peak Flood 2010 CFS or 11.97 ft
50   Year Peak Flood 2440 CFS or 12.69 ft
100 Year Peak Flood 2930 CFS or 13.27 ft
200 Year Peak Flood 3490 CFS or 13.82 ft
500 Year Peak Flood 4360 CFS or 14.54 ft
Resources Collapse
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
Pocatello Weather Forecast Office
1945 Beechcraft Ave
Pocatello, ID 83204
(208) 232-9306
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