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Hydrograph River at a Glance Download
Snake River near Blackfoot (Tilden Bridge-Ft. Hall) Stage (ft)Flow (cfs)Observed: 3.43 ft at 1:00AM Sep 27, 2022Observed: 3.44 ft at 1:15AM Sep 27, 2022Observed: 3.44 ft at 1:30AM Sep 27, 2022Observed: 3.44 ft at 1:45AM Sep 27, 2022Observed: 3.45 ft at 2:00AM Sep 27, 2022Observed: 3.44 ft at 2:15AM Sep 27, 2022Observed: 3.44 ft at 2:30AM Sep 27, 2022Observed: 3.44 ft at 2:45AM Sep 27, 2022Observed: 3.44 ft at 3:00AM Sep 27, 2022Observed: 3.44 ft at 3:15AM Sep 27, 2022Observed: 3.44 ft at 3:30AM Sep 27, 2022Observed: 3.44 ft at 3:45AM Sep 27, 2022Observed: 3.44 ft at 4:00AM Sep 27, 2022Observed: 3.44 ft at 4:15AM Sep 27, 2022Observed: 3.44 ft at 4:30AM Sep 27, 2022Observed: 3.44 ft at 4:45AM Sep 27, 2022Observed: 3.44 ft at 5:00AM Sep 27, 2022Observed: 3.43 ft at 5:15AM Sep 27, 2022Observed: 3.44 ft at 5:30AM Sep 27, 2022Observed: 3.43 ft at 5:45AM Sep 27, 2022Observed: 3.42 ft at 6:00AM Sep 27, 2022Observed: 3.42 ft at 6:15AM Sep 27, 2022Observed: 3.42 ft at 6:30AM Sep 27, 2022Observed: 3.41 ft at 6:45AM Sep 27, 2022Observed: 3.41 ft at 7:00AM Sep 27, 2022Observed: 3.4 ft at 7:15AM Sep 27, 2022Observed: 3.4 ft at 7:30AM Sep 27, 2022Observed: 3.41 ft at 7:45AM Sep 27, 2022Observed: 3.4 ft at 8:00AM Sep 27, 2022Observed: 3.4 ft at 8:15AM Sep 27, 2022Observed: 3.4 ft at 8:30AM Sep 27, 2022Observed: 3.4 ft at 8:45AM Sep 27, 2022Observed: 3.39 ft at 9:00AM Sep 27, 2022Observed: 3.39 ft at 9:15AM Sep 27, 2022Observed: 3.39 ft at 9:30AM Sep 27, 2022Observed: 3.4 ft at 9:45AM Sep 27, 2022Observed: 3.39 ft at 10:00AM Sep 27, 2022Observed: 3.39 ft at 10:15AM Sep 27, 2022Observed: 3.4 ft at 10:30AM Sep 27, 2022Observed: 3.4 ft at 10:45AM Sep 27, 2022Observed: 3.39 ft at 11:00AM Sep 27, 2022Observed: 3.39 ft at 11:15AM Sep 27, 2022Observed: 3.39 ft at 11:30AM Sep 27, 2022Observed: 3.4 ft at 11:45AM Sep 27, 2022Observed: 3.39 ft at 12:00PM Sep 27, 2022Observed: 3.39 ft at 12:15PM Sep 27, 2022Observed: 3.4 ft at 12:30PM Sep 27, 2022Observed: 3.4 ft at 12:45PM Sep 27, 2022Observed: 3.4 ft at 1:00PM Sep 27, 2022Observed: 3.4 ft at 1:15PM Sep 27, 2022Observed: 3.41 ft at 1:30PM Sep 27, 2022Observed: 3.41 ft at 1:45PM Sep 27, 2022Observed: 3.41 ft at 2:00PM Sep 27, 2022Observed: 3.42 ft at 2:15PM Sep 27, 2022Observed: 3.42 ft at 2:30PM Sep 27, 2022Observed: 3.42 ft at 2:45PM Sep 27, 2022Observed: 3.42 ft at 3:00PM Sep 27, 2022Observed: 3.42 ft at 3:15PM Sep 27, 2022Observed: 3.43 ft at 3:30PM Sep 27, 2022Observed: 3.43 ft at 3:45PM Sep 27, 2022Observed: 3.43 ft at 4:00PM Sep 27, 2022Observed: 3.43 ft at 4:15PM Sep 27, 2022Observed: 3.43 ft at 4:30PM Sep 27, 2022Observed: 3.44 ft at 4:45PM Sep 27, 2022Observed: 3.44 ft at 5:00PM Sep 27, 2022Observed: 3.44 ft at 5:15PM Sep 27, 2022Observed: 3.44 ft at 5:30PM Sep 27, 2022Observed: 3.44 ft at 5:45PM Sep 27, 2022Observed: 3.44 ft at 6:00PM Sep 27, 2022Observed: 3.44 ft at 6:15PM Sep 27, 2022Observed: 3.44 ft at 6:30PM Sep 27, 2022Observed: 3.44 ft at 6:45PM Sep 27, 2022Observed: 3.44 ft at 7:00PM Sep 27, 2022Observed: 3.44 ft at 7:15PM Sep 27, 2022Observed: 3.44 ft at 7:30PM Sep 27, 2022Observed: 3.44 ft at 7:45PM Sep 27, 2022Observed: 3.44 ft at 8:00PM Sep 27, 2022Observed: 3.44 ft at 8:15PM Sep 27, 2022Observed: 3.44 ft at 8:30PM Sep 27, 2022Observed: 3.44 ft at 8:45PM Sep 27, 2022Observed: 3.44 ft at 9:00PM Sep 27, 2022Observed: 3.45 ft at 9:15PM Sep 27, 2022Observed: 3.44 ft at 9:30PM Sep 27, 2022Observed: 3.44 ft at 9:45PM Sep 27, 2022Observed: 3.45 ft at 10:00PM Sep 27, 2022Observed: 3.45 ft at 10:15PM Sep 27, 2022Observed: 3.45 ft at 10:30PM Sep 27, 2022Observed: 3.45 ft at 10:45PM Sep 27, 2022Observed: 3.45 ft at 11:00PM Sep 27, 2022Observed: 3.46 ft at 11:15PM Sep 27, 2022Observed: 3.46 ft at 11:30PM Sep 27, 2022Observed: 3.47 ft at 11:45PM Sep 27, 2022Observed: 3.46 ft at 12:00AM Sep 28, 2022Observed: 3.46 ft at 12:15AM Sep 28, 2022Observed: 3.47 ft at 12:30AM Sep 28, 2022Observed: 3.47 ft at 12:45AM Sep 28, 2022Observed: 3.47 ft at 1:00AM Sep 28, 2022Observed: 3.47 ft at 1:15AM Sep 28, 2022Observed: 3.47 ft at 1:30AM Sep 28, 2022Observed: 3.47 ft at 1:45AM Sep 28, 2022Observed: 3.47 ft at 2:00AM Sep 28, 2022Observed: 3.47 ft at 2:15AM Sep 28, 2022Highest Observation: 3.48 ft at 2:30AM Sep 28, 2022Highest Observation: 3.48 ft at 2:45AM Sep 28, 2022Observed: 3.47 ft at 3:00AM Sep 28, 2022Observed: 3.47 ft at 3:15AM Sep 28, 2022Observed: 3.47 ft at 3:30AM Sep 28, 2022Observed: 3.45 ft at 3:45AM Sep 28, 2022Observed: 3.44 ft at 4:00AM Sep 28, 2022Observed: 3.43 ft at 4:15AM Sep 28, 2022Observed: 3.4 ft at 4:30AM Sep 28, 2022Observed: 3.38 ft at 4:45AM Sep 28, 2022Observed: 3.36 ft at 5:00AM Sep 28, 2022Observed: 3.34 ft at 5:15AM Sep 28, 2022Observed: 3.31 ft at 5:30AM Sep 28, 2022Observed: 3.3 ft at 5:45AM Sep 28, 2022Observed: 3.28 ft at 6:00AM Sep 28, 2022Observed: 3.26 ft at 6:15AM Sep 28, 2022Observed: 3.24 ft at 6:30AM Sep 28, 2022Observed: 3.22 ft at 6:45AM Sep 28, 2022Observed: 3.21 ft at 7:00AM Sep 28, 2022Observed: 3.19 ft at 7:15AM Sep 28, 2022Observed: 3.17 ft at 7:30AM Sep 28, 2022Observed: 3.16 ft at 7:45AM Sep 28, 2022Observed: 3.15 ft at 8:00AM Sep 28, 2022Observed: 3.14 ft at 8:15AM Sep 28, 2022Observed: 3.12 ft at 8:30AM Sep 28, 2022Observed: 3.12 ft at 8:45AM Sep 28, 2022Observed: 3.1 ft at 9:00AM Sep 28, 2022Observed: 3.1 ft at 9:15AM Sep 28, 2022Observed: 3.1 ft at 9:30AM Sep 28, 2022Observed: 3.09 ft at 9:45AM Sep 28, 2022Observed: 3.09 ft at 10:00AM Sep 28, 2022Observed: 3.08 ft at 10:15AM Sep 28, 2022Observed: 3.08 ft at 10:30AM Sep 28, 2022Observed: 3.07 ft at 10:45AM Sep 28, 2022Observed: 3.08 ft at 11:00AM Sep 28, 2022Observed: 3.07 ft at 11:15AM Sep 28, 2022Observed: 3.07 ft at 11:30AM Sep 28, 2022Observed: 3.07 ft at 11:45AM Sep 28, 2022Observed: 3.07 ft at 12:00PM Sep 28, 2022Observed: 3.07 ft at 12:15PM Sep 28, 2022Observed: 3.05 ft at 12:30PM Sep 28, 2022Observed: 3.05 ft at 12:45PM Sep 28, 2022Observed: 3.05 ft at 1:00PM Sep 28, 2022Observed: 3.05 ft at 1:15PM Sep 28, 2022Observed: 3.05 ft at 1:30PM Sep 28, 2022Observed: 3.04 ft at 1:45PM Sep 28, 2022Observed: 3.05 ft at 2:00PM Sep 28, 2022Observed: 3.05 ft at 2:15PM Sep 28, 2022Observed: 3.04 ft at 2:30PM Sep 28, 2022Observed: 3.05 ft at 2:45PM Sep 28, 2022Observed: 3.04 ft at 3:00PM Sep 28, 2022Observed: 3.04 ft at 3:15PM Sep 28, 2022Observed: 3.04 ft at 3:30PM Sep 28, 2022Observed: 3.04 ft at 3:45PM Sep 28, 2022Observed: 3.03 ft at 4:00PM Sep 28, 2022Observed: 3.03 ft at 4:15PM Sep 28, 2022Observed: 3.03 ft at 4:30PM Sep 28, 2022Observed: 3.04 ft at 4:45PM Sep 28, 2022Observed: 3.03 ft at 5:00PM Sep 28, 2022Observed: 3.03 ft at 5:15PM Sep 28, 2022Observed: 3.03 ft at 5:30PM Sep 28, 2022Observed: 3.03 ft at 5:45PM Sep 28, 2022Observed: 3.02 ft at 6:00PM Sep 28, 2022Observed: 3.03 ft at 6:15PM Sep 28, 2022Observed: 3.03 ft at 6:30PM Sep 28, 2022Observed: 3.02 ft at 6:45PM Sep 28, 2022Observed: 3.02 ft at 7:00PM Sep 28, 2022Observed: 3.02 ft at 7:15PM Sep 28, 2022Observed: 3.02 ft at 7:30PM Sep 28, 2022Observed: 3.02 ft at 7:45PM Sep 28, 2022Observed: 3.02 ft at 8:00PM Sep 28, 2022Observed: 3.02 ft at 8:15PM Sep 28, 2022Observed: 3.02 ft at 8:30PM Sep 28, 2022Observed: 3.01 ft at 8:45PM Sep 28, 2022Observed: 3.02 ft at 9:00PM Sep 28, 2022Observed: 3.02 ft at 9:15PM Sep 28, 2022Observed: 3.01 ft at 9:30PM Sep 28, 2022Observed: 3.01 ft at 9:45PM Sep 28, 2022Observed: 3 ft at 10:00PM Sep 28, 2022Observed: 3 ft at 10:15PM Sep 28, 2022Observed: 3 ft at 10:30PM Sep 28, 2022Observed: 3 ft at 10:45PM Sep 28, 2022Observed: 3 ft at 11:00PM Sep 28, 2022Observed: 2.99 ft at 11:15PM Sep 28, 2022Observed: 2.99 ft at 11:30PM Sep 28, 2022Observed: 2.99 ft at 11:45PM Sep 28, 2022Observed: 2.99 ft at 12:00AM Sep 29, 2022Observed: 3 ft at 12:15AM Sep 29, 2022Observed: 3.01 ft at 12:30AM Sep 29, 2022Observed: 3 ft at 12:45AM Sep 29, 2022Observed: 3.01 ft at 1:00AM Sep 29, 2022Observed: 3.01 ft at 1:15AM Sep 29, 2022Observed: 3.02 ft at 1:30AM Sep 29, 2022Observed: 3.02 ft at 1:45AM Sep 29, 2022Observed: 3.03 ft at 2:00AM Sep 29, 2022Observed: 3.03 ft at 2:15AM Sep 29, 2022Observed: 3.03 ft at 2:30AM Sep 29, 2022Observed: 3.03 ft at 2:45AM Sep 29, 2022Observed: 3.03 ft at 3:00AM Sep 29, 2022Observed: 3.04 ft at 3:15AM Sep 29, 2022Observed: 3.03 ft at 3:30AM Sep 29, 2022Observed: 3.04 ft at 3:45AM Sep 29, 2022Observed: 3.04 ft at 4:00AM Sep 29, 2022Observed: 3.04 ft at 4:15AM Sep 29, 2022Observed: 3.04 ft at 4:30AM Sep 29, 2022Observed: 3.04 ft at 4:45AM Sep 29, 2022Observed: 3.05 ft at 5:00AM Sep 29, 2022Observed: 3.04 ft at 5:15AM Sep 29, 2022Observed: 3.04 ft at 5:30AM Sep 29, 2022Observed: 3.04 ft at 5:45AM Sep 29, 2022Observed: 3.05 ft at 6:00AM Sep 29, 2022Observed: 3.04 ft at 6:15AM Sep 29, 2022Observed: 3.04 ft at 6:30AM Sep 29, 2022Observed: 3.04 ft at 6:45AM Sep 29, 2022Observed: 3.04 ft at 7:00AM Sep 29, 2022Observed: 3.03 ft at 7:15AM Sep 29, 2022Observed: 3.03 ft at 7:30AM Sep 29, 2022Observed: 3.04 ft at 7:45AM Sep 29, 2022Observed: 3.03 ft at 8:00AM Sep 29, 2022Observed: 3.03 ft at 8:15AM Sep 29, 2022Observed: 3.03 ft at 8:30AM Sep 29, 2022Observed: 3.03 ft at 8:45AM Sep 29, 2022Observed: 3.03 ft at 9:00AM Sep 29, 2022Observed: 3.03 ft at 9:15AM Sep 29, 2022Observed: 3.03 ft at 9:30AM Sep 29, 2022Observed: 3.03 ft at 9:45AM Sep 29, 2022Observed: 3.03 ft at 10:00AM Sep 29, 2022Observed: 3.02 ft at 10:15AM Sep 29, 2022Observed: 3.03 ft at 10:30AM Sep 29, 2022Observed: 3.02 ft at 10:45AM Sep 29, 2022Observed: 3.02 ft at 11:00AM Sep 29, 2022Observed: 3.02 ft at 11:15AM Sep 29, 2022Observed: 3.02 ft at 11:30AM Sep 29, 2022Observed: 3.02 ft at 11:45AM Sep 29, 2022Observed: 3.01 ft at 12:00PM Sep 29, 2022Observed: 3.01 ft at 12:15PM Sep 29, 2022Observed: 3.01 ft at 12:30PM Sep 29, 2022Observed: 3.01 ft at 12:45PM Sep 29, 2022Observed: 3.01 ft at 1:00PM Sep 29, 2022Observed: 3.01 ft at 1:15PM Sep 29, 2022Observed: 3 ft at 1:30PM Sep 29, 2022Observed: 3 ft at 1:45PM Sep 29, 2022Observed: 3 ft at 2:00PM Sep 29, 2022Observed: 2.99 ft at 2:15PM Sep 29, 2022Observed: 2.99 ft at 2:30PM Sep 29, 2022Observed: 2.99 ft at 2:45PM Sep 29, 2022Observed: 2.98 ft at 3:00PM Sep 29, 2022Observed: 2.99 ft at 3:15PM Sep 29, 2022Observed: 2.99 ft at 3:30PM Sep 29, 2022Observed: 2.98 ft at 3:45PM Sep 29, 2022Observed: 2.98 ft at 4:00PM Sep 29, 2022Observed: 2.98 ft at 4:15PM Sep 29, 2022Observed: 2.98 ft at 4:30PM Sep 29, 2022Observed: 2.98 ft at 4:45PM Sep 29, 2022Observed: 2.98 ft at 5:00PM Sep 29, 2022Observed: 2.98 ft at 5:15PM Sep 29, 2022Observed: 2.99 ft at 5:30PM Sep 29, 2022Observed: 3 ft at 5:45PM Sep 29, 2022Observed: 3.01 ft at 6:00PM Sep 29, 2022Observed: 3.02 ft at 6:15PM Sep 29, 2022Observed: 3.05 ft at 6:30PM Sep 29, 2022Observed: 3.08 ft at 6:45PM Sep 29, 2022Observed: 3.1 ft at 7:00PM Sep 29, 2022Observed: 3.12 ft at 7:15PM Sep 29, 2022Observed: 3.14 ft at 7:30PM Sep 29, 2022Observed: 3.15 ft at 7:45PM Sep 29, 2022Observed: 3.17 ft at 8:00PM Sep 29, 2022Observed: 3.18 ft at 8:15PM Sep 29, 2022Observed: 3.19 ft at 8:30PM Sep 29, 2022Observed: 3.19 ft at 8:45PM Sep 29, 2022Observed: 3.2 ft at 9:00PM Sep 29, 2022Observed: 3.21 ft at 9:15PM Sep 29, 2022Observed: 3.2 ft at 9:30PM Sep 29, 2022Observed: 3.21 ft at 9:45PM Sep 29, 2022Observed: 3.2 ft at 10:00PM Sep 29, 2022Observed: 3.2 ft at 10:15PM Sep 29, 2022Observed: 3.2 ft at 10:30PM Sep 29, 2022Observed: 3.2 ft at 10:45PM Sep 29, 2022Observed: 3.2 ft at 11:00PM Sep 29, 2022Observed: 3.2 ft at 11:15PM Sep 29, 2022Observed: 3.2 ft at 11:30PM Sep 29, 2022Observed: 3.2 ft at 11:45PM Sep 29, 2022Observed: 3.2 ft at 12:00AM Sep 30, 2022Observed: 3.2 ft at 12:15AM Sep 30, 2022Forecast: 2.98 ft 6:00AM Sep 30, 2022Forecast: 2.98 ft 12:00PM Sep 30, 2022Forecast: 3.01 ft 6:00PM Sep 30, 2022Forecast: 3.04 ft 12:00AM Oct 01, 2022Forecast: 3.08 ft 6:00AM Oct 01, 2022Forecast: 3.13 ft 12:00PM Oct 01, 2022Forecast: 3.19 ft 6:00PM Oct 01, 2022Forecast: 3.25 ft 12:00AM Oct 02, 2022Forecast: 3.3 ft 6:00AM Oct 02, 2022Forecast: 3.35 ft 12:00PM Oct 02, 2022Forecast: 3.39 ft 6:00PM Oct 02, 2022Forecast: 3.43 ft 12:00AM Oct 03, 2022Forecast: 3.45 ft 6:00AM Oct 03, 2022Highest Forecast: 3.46 ft 12:00PM Oct 03, 2022Highest Forecast: 3.46 ft 6:00PM Oct 03, 2022Highest Forecast: 3.46 ft 12:00AM Oct 04, 2022Forecast: 3.44 ft 6:00AM Oct 04, 2022Forecast: 3.42 ft 12:00PM Oct 04, 2022Forecast: 3.39 ft 6:00PM Oct 04, 2022Forecast: 3.36 ft 12:00AM Oct 05, 2022Forecast: 3.31 ft 6:00AM Oct 05, 2022Forecast: 3.27 ft 12:00PM Oct 05, 2022Forecast: 3.22 ft 6:00PM Oct 05, 2022Forecast: 3.17 ft 12:00AM Oct 06, 2022Forecast: 3.12 ft 6:00AM Oct 06, 2022Forecast: 3.06 ft 12:00PM Oct 06, 2022Forecast: 3.01 ft 6:00PM Oct 06, 2022Forecast: 2.94 ft 12:00AM Oct 07, 2022USGS--Water Resources of the United StatesBFTI1(plotting HGIRG) Graph Created (12:48AM Sep 30, 2022)ObservedForecast (issued 3:24PM Sep 29)Latest observed value: 3.2 ft at 12:15 AM MDT 30-Sep-2022. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Snake River near Blackfoot (Tilden Bridge-Ft. Hall) are issued routinely year-round.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at American Falls
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 11
Action Stage: 10.2
Low Stage (in feet): -9999

Historic Crests
(1) 14.80 ft on 06/18/1997
(2) 14.80 ft on 06/18/1918
(3) 12.67 ft on 06/22/1917
(4) 12.63 ft on 06/08/1914
(5) 12.32 ft on 05/18/1984
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.82 ft on 04/28/2019
(2) 10.57 ft on 06/04/2018
(3) 11.31 ft on 06/17/2017
(4) 5.67 ft on 05/24/2016
(5) 7.66 ft on 05/19/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.80 ft on 11/10/1934
Zoom Level:16
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
11 or 24233 cfs... Minor flooding in low-lying areas and croplands along with seep and ponding near the river. Residents along the river may experience water levels that impact their property.
10.2 or 21372 cfs... Low-lying areas and croplands may experience seep and ponding near the river. Residents along the river may experience water levels nearing impact levels.
About This Location Collapse

Latitude: 43.125278° N, Longitude: 112.518889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 4399.83 ft 4300.83 ft  

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 36100 CFS or 13.38 ft
50   Year Peak Flood 38600 CFS or 13.70 ft
100 Year Peak Flood 40600 CFS or 13.93 ft
200 Year Peak Flood 42300 CFS or 14.13 ft
500 Year Peak Flood 44000 CFS or 14.32 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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