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Hydrograph River at a Glance Download
Flathead Lake at Polson Pool (ft)Observed: 2892.04 ft at 9:45AM Sep 30, 2022Observed: 2892.02 ft at 10:00AM Sep 30, 2022Observed: 2892.02 ft at 10:15AM Sep 30, 2022Observed: 2892.04 ft at 10:30AM Sep 30, 2022Observed: 2892.01 ft at 10:45AM Sep 30, 2022Observed: 2892.03 ft at 11:00AM Sep 30, 2022Observed: 2892.03 ft at 11:15AM Sep 30, 2022Observed: 2892.06 ft at 11:30AM Sep 30, 2022Observed: 2892 ft at 11:45AM Sep 30, 2022Observed: 2892.04 ft at 12:00PM Sep 30, 2022Observed: 2892.04 ft at 12:15PM Sep 30, 2022Observed: 2892.02 ft at 12:30PM Sep 30, 2022Observed: 2892.01 ft at 12:45PM Sep 30, 2022Observed: 2892.04 ft at 1:00PM Sep 30, 2022Observed: 2892.03 ft at 1:15PM Sep 30, 2022Observed: 2892.02 ft at 1:30PM Sep 30, 2022Observed: 2892.05 ft at 1:45PM Sep 30, 2022Observed: 2892.02 ft at 2:00PM Sep 30, 2022Observed: 2892.02 ft at 2:15PM Sep 30, 2022Observed: 2892.05 ft at 2:30PM Sep 30, 2022Observed: 2892.03 ft at 2:45PM Sep 30, 2022Observed: 2892.01 ft at 3:00PM Sep 30, 2022Observed: 2892.06 ft at 3:15PM Sep 30, 2022Observed: 2892.06 ft at 3:30PM Sep 30, 2022Observed: 2892.03 ft at 3:45PM Sep 30, 2022Observed: 2892.03 ft at 4:00PM Sep 30, 2022Observed: 2892.04 ft at 4:15PM Sep 30, 2022Observed: 2892.02 ft at 4:30PM Sep 30, 2022Observed: 2892.03 ft at 4:45PM Sep 30, 2022Observed: 2892.03 ft at 5:00PM Sep 30, 2022Observed: 2892.03 ft at 5:15PM Sep 30, 2022Observed: 2892.02 ft at 5:30PM Sep 30, 2022Observed: 2892.06 ft at 5:45PM Sep 30, 2022Observed: 2892.01 ft at 6:00PM Sep 30, 2022Observed: 2892.02 ft at 6:15PM Sep 30, 2022Observed: 2892.04 ft at 6:30PM Sep 30, 2022Observed: 2892.04 ft at 6:45PM Sep 30, 2022Observed: 2892.01 ft at 7:00PM Sep 30, 2022Observed: 2892.05 ft at 7:15PM Sep 30, 2022Observed: 2892.03 ft at 7:30PM Sep 30, 2022Observed: 2892.03 ft at 7:45PM Sep 30, 2022Observed: 2892.03 ft at 8:00PM Sep 30, 2022Observed: 2892.03 ft at 8:15PM Sep 30, 2022Observed: 2892.01 ft at 8:30PM Sep 30, 2022Observed: 2892.03 ft at 8:45PM Sep 30, 2022Observed: 2892.04 ft at 9:00PM Sep 30, 2022Observed: 2892.02 ft at 9:15PM Sep 30, 2022Observed: 2892.02 ft at 9:30PM Sep 30, 2022Observed: 2892.04 ft at 9:45PM Sep 30, 2022Observed: 2892.03 ft at 10:00PM Sep 30, 2022Observed: 2892.02 ft at 10:15PM Sep 30, 2022Observed: 2892.01 ft at 10:30PM Sep 30, 2022Observed: 2892.03 ft at 10:45PM Sep 30, 2022Observed: 2892.02 ft at 11:00PM Sep 30, 2022Observed: 2892.04 ft at 11:15PM Sep 30, 2022Observed: 2892.04 ft at 11:30PM Sep 30, 2022Observed: 2892.02 ft at 11:45PM Sep 30, 2022Observed: 2892.03 ft at 12:00AM Oct 01, 2022Observed: 2892.01 ft at 12:15AM Oct 01, 2022Observed: 2892.02 ft at 12:30AM Oct 01, 2022Observed: 2892.01 ft at 12:45AM Oct 01, 2022Observed: 2892.05 ft at 1:00AM Oct 01, 2022Observed: 2892.03 ft at 1:15AM Oct 01, 2022Observed: 2892.02 ft at 1:30AM Oct 01, 2022Observed: 2892.04 ft at 1:45AM Oct 01, 2022Observed: 2892.04 ft at 2:00AM Oct 01, 2022Observed: 2892.03 ft at 2:15AM Oct 01, 2022Observed: 2892.05 ft at 2:30AM Oct 01, 2022Observed: 2892.04 ft at 2:45AM Oct 01, 2022Observed: 2892.05 ft at 3:00AM Oct 01, 2022Observed: 2892.03 ft at 3:15AM Oct 01, 2022Observed: 2892.05 ft at 3:30AM Oct 01, 2022Observed: 2892.02 ft at 3:45AM Oct 01, 2022Observed: 2892.04 ft at 4:00AM Oct 01, 2022Observed: 2892.05 ft at 4:15AM Oct 01, 2022Observed: 2892.06 ft at 4:30AM Oct 01, 2022Observed: 2892.03 ft at 4:45AM Oct 01, 2022Observed: 2892.05 ft at 5:00AM Oct 01, 2022Observed: 2892.03 ft at 5:15AM Oct 01, 2022Observed: 2892.03 ft at 5:30AM Oct 01, 2022Observed: 2892.02 ft at 5:45AM Oct 01, 2022Observed: 2892.05 ft at 6:00AM Oct 01, 2022Observed: 2892.05 ft at 6:15AM Oct 01, 2022Observed: 2892.05 ft at 6:30AM Oct 01, 2022Observed: 2892.07 ft at 6:45AM Oct 01, 2022Observed: 2892.05 ft at 7:00AM Oct 01, 2022Observed: 2892.04 ft at 7:15AM Oct 01, 2022Observed: 2892.04 ft at 7:30AM Oct 01, 2022Observed: 2892.04 ft at 7:45AM Oct 01, 2022Observed: 2892.04 ft at 8:00AM Oct 01, 2022Observed: 2892.06 ft at 8:15AM Oct 01, 2022Observed: 2892.07 ft at 8:30AM Oct 01, 2022Observed: 2892.06 ft at 8:45AM Oct 01, 2022Observed: 2892.05 ft at 9:00AM Oct 01, 2022Observed: 2892.03 ft at 9:15AM Oct 01, 2022Observed: 2892.03 ft at 9:30AM Oct 01, 2022Observed: 2892.04 ft at 9:45AM Oct 01, 2022Observed: 2892.05 ft at 10:00AM Oct 01, 2022Observed: 2892.07 ft at 10:15AM Oct 01, 2022Observed: 2892.06 ft at 10:30AM Oct 01, 2022Observed: 2892.06 ft at 10:45AM Oct 01, 2022Observed: 2892.05 ft at 11:00AM Oct 01, 2022Observed: 2892.03 ft at 11:15AM Oct 01, 2022Observed: 2892.06 ft at 11:30AM Oct 01, 2022Observed: 2892.07 ft at 11:45AM Oct 01, 2022Observed: 2892.07 ft at 12:00PM Oct 01, 2022Observed: 2892.09 ft at 12:15PM Oct 01, 2022Observed: 2892.09 ft at 12:30PM Oct 01, 2022Observed: 2892.06 ft at 12:45PM Oct 01, 2022Observed: 2892.05 ft at 1:00PM Oct 01, 2022Observed: 2892.04 ft at 1:15PM Oct 01, 2022Observed: 2892.04 ft at 1:30PM Oct 01, 2022Observed: 2892.08 ft at 1:45PM Oct 01, 2022Highest Observation: 2892.1 ft at 2:00PM Oct 01, 2022Highest Observation: 2892.1 ft at 2:15PM Oct 01, 2022Observed: 2892.09 ft at 2:30PM Oct 01, 2022Highest Observation: 2892.1 ft at 2:45PM Oct 01, 2022Observed: 2892.06 ft at 3:00PM Oct 01, 2022Observed: 2892.06 ft at 3:15PM Oct 01, 2022Observed: 2892.05 ft at 3:30PM Oct 01, 2022Observed: 2892.08 ft at 3:45PM Oct 01, 2022Observed: 2892.08 ft at 4:00PM Oct 01, 2022Observed: 2892.08 ft at 4:15PM Oct 01, 2022Observed: 2892.07 ft at 4:30PM Oct 01, 2022Observed: 2892.04 ft at 4:45PM Oct 01, 2022Observed: 2892.04 ft at 5:00PM Oct 01, 2022Observed: 2892.04 ft at 5:15PM Oct 01, 2022Observed: 2892.04 ft at 5:30PM Oct 01, 2022Observed: 2892.05 ft at 5:45PM Oct 01, 2022Observed: 2892.06 ft at 6:00PM Oct 01, 2022Observed: 2892.06 ft at 6:15PM Oct 01, 2022Observed: 2892.04 ft at 6:30PM Oct 01, 2022Observed: 2892.03 ft at 6:45PM Oct 01, 2022Observed: 2892.03 ft at 7:00PM Oct 01, 2022Observed: 2892.03 ft at 7:15PM Oct 01, 2022Observed: 2892.04 ft at 7:30PM Oct 01, 2022Observed: 2892.01 ft at 7:45PM Oct 01, 2022Observed: 2892.04 ft at 8:00PM Oct 01, 2022Observed: 2892.02 ft at 8:15PM Oct 01, 2022Observed: 2892.04 ft at 8:30PM Oct 01, 2022Observed: 2892.01 ft at 8:45PM Oct 01, 2022Observed: 2892.02 ft at 9:00PM Oct 01, 2022Observed: 2892 ft at 9:15PM Oct 01, 2022Observed: 2892.01 ft at 9:30PM Oct 01, 2022Observed: 2892 ft at 9:45PM Oct 01, 2022Observed: 2892.02 ft at 10:00PM Oct 01, 2022Observed: 2892 ft at 10:15PM Oct 01, 2022Observed: 2892.02 ft at 10:30PM Oct 01, 2022Observed: 2891.99 ft at 10:45PM Oct 01, 2022Observed: 2892.01 ft at 11:00PM Oct 01, 2022Observed: 2891.99 ft at 11:15PM Oct 01, 2022Observed: 2892.02 ft at 11:30PM Oct 01, 2022Observed: 2892.01 ft at 11:45PM Oct 01, 2022Observed: 2892.02 ft at 12:00AM Oct 02, 2022Observed: 2892.01 ft at 12:15AM Oct 02, 2022Observed: 2892.02 ft at 12:30AM Oct 02, 2022Observed: 2892.01 ft at 12:45AM Oct 02, 2022Observed: 2892.02 ft at 1:00AM Oct 02, 2022Observed: 2892 ft at 1:15AM Oct 02, 2022Observed: 2892.02 ft at 1:30AM Oct 02, 2022Observed: 2892.02 ft at 1:45AM Oct 02, 2022Observed: 2892.02 ft at 2:00AM Oct 02, 2022Observed: 2892.01 ft at 2:15AM Oct 02, 2022Observed: 2892.02 ft at 2:30AM Oct 02, 2022Observed: 2892.03 ft at 2:45AM Oct 02, 2022Observed: 2892.01 ft at 3:00AM Oct 02, 2022Observed: 2892.02 ft at 3:15AM Oct 02, 2022Observed: 2892.02 ft at 3:30AM Oct 02, 2022Observed: 2892.03 ft at 3:45AM Oct 02, 2022Observed: 2892.03 ft at 4:00AM Oct 02, 2022Observed: 2892.04 ft at 4:15AM Oct 02, 2022Observed: 2892.03 ft at 4:30AM Oct 02, 2022Observed: 2892.02 ft at 4:45AM Oct 02, 2022Observed: 2892.02 ft at 5:00AM Oct 02, 2022Observed: 2892.01 ft at 5:15AM Oct 02, 2022Observed: 2892.02 ft at 5:30AM Oct 02, 2022Observed: 2892.02 ft at 5:45AM Oct 02, 2022Observed: 2892.03 ft at 6:00AM Oct 02, 2022Observed: 2892.02 ft at 6:15AM Oct 02, 2022Observed: 2892.02 ft at 6:30AM Oct 02, 2022Observed: 2892.01 ft at 6:45AM Oct 02, 2022Observed: 2892.02 ft at 7:00AM Oct 02, 2022Observed: 2892.02 ft at 7:15AM Oct 02, 2022Observed: 2892.01 ft at 7:30AM Oct 02, 2022Observed: 2892.03 ft at 7:45AM Oct 02, 2022Observed: 2892.03 ft at 8:00AM Oct 02, 2022Observed: 2892.02 ft at 8:15AM Oct 02, 2022Observed: 2892.02 ft at 8:30AM Oct 02, 2022Observed: 2892.02 ft at 8:45AM Oct 02, 2022Observed: 2892.01 ft at 9:00AM Oct 02, 2022Observed: 2892.01 ft at 9:15AM Oct 02, 2022Observed: 2892.02 ft at 9:30AM Oct 02, 2022Observed: 2892.01 ft at 9:45AM Oct 02, 2022Observed: 2892.01 ft at 10:00AM Oct 02, 2022Observed: 2892.02 ft at 10:15AM Oct 02, 2022Observed: 2892.02 ft at 10:30AM Oct 02, 2022Observed: 2892.01 ft at 10:45AM Oct 02, 2022Observed: 2892 ft at 11:00AM Oct 02, 2022Observed: 2892.02 ft at 11:15AM Oct 02, 2022Observed: 2892 ft at 11:30AM Oct 02, 2022Observed: 2892.01 ft at 11:45AM Oct 02, 2022Observed: 2892.01 ft at 12:00PM Oct 02, 2022Observed: 2892.01 ft at 12:15PM Oct 02, 2022Observed: 2892.01 ft at 12:30PM Oct 02, 2022Observed: 2892 ft at 12:45PM Oct 02, 2022Observed: 2891.99 ft at 1:00PM Oct 02, 2022Observed: 2892 ft at 1:15PM Oct 02, 2022Observed: 2892 ft at 1:30PM Oct 02, 2022Observed: 2892.01 ft at 1:45PM Oct 02, 2022Observed: 2892.01 ft at 2:00PM Oct 02, 2022Observed: 2892.01 ft at 2:15PM Oct 02, 2022Observed: 2892 ft at 2:30PM Oct 02, 2022Observed: 2892.01 ft at 2:45PM Oct 02, 2022Observed: 2891.99 ft at 3:00PM Oct 02, 2022Observed: 2892 ft at 3:15PM Oct 02, 2022Observed: 2892 ft at 3:30PM Oct 02, 2022Observed: 2891.99 ft at 3:45PM Oct 02, 2022Observed: 2892 ft at 4:00PM Oct 02, 2022Observed: 2892.01 ft at 4:15PM Oct 02, 2022Observed: 2892 ft at 4:30PM Oct 02, 2022Observed: 2892 ft at 4:45PM Oct 02, 2022Observed: 2891.99 ft at 5:00PM Oct 02, 2022Observed: 2892 ft at 5:15PM Oct 02, 2022Observed: 2891.99 ft at 5:30PM Oct 02, 2022Observed: 2892 ft at 5:45PM Oct 02, 2022Observed: 2891.99 ft at 6:00PM Oct 02, 2022Observed: 2892.01 ft at 6:15PM Oct 02, 2022Observed: 2892 ft at 6:30PM Oct 02, 2022Observed: 2892 ft at 6:45PM Oct 02, 2022Observed: 2891.99 ft at 7:00PM Oct 02, 2022Observed: 2892 ft at 7:15PM Oct 02, 2022Observed: 2891.99 ft at 7:30PM Oct 02, 2022Observed: 2892 ft at 7:45PM Oct 02, 2022Observed: 2892.01 ft at 8:00PM Oct 02, 2022Observed: 2892.01 ft at 8:15PM Oct 02, 2022Observed: 2891.99 ft at 8:30PM Oct 02, 2022Observed: 2892 ft at 8:45PM Oct 02, 2022Observed: 2891.99 ft at 9:00PM Oct 02, 2022Observed: 2891.98 ft at 9:15PM Oct 02, 2022Observed: 2892.01 ft at 9:30PM Oct 02, 2022Observed: 2892.01 ft at 9:45PM Oct 02, 2022Observed: 2892.01 ft at 10:00PM Oct 02, 2022Observed: 2892 ft at 10:15PM Oct 02, 2022Observed: 2892.01 ft at 10:30PM Oct 02, 2022Observed: 2891.99 ft at 10:45PM Oct 02, 2022Observed: 2891.99 ft at 11:00PM Oct 02, 2022Observed: 2891.99 ft at 11:15PM Oct 02, 2022Observed: 2891.99 ft at 11:30PM Oct 02, 2022Observed: 2892 ft at 11:45PM Oct 02, 2022Observed: 2892.01 ft at 12:00AM Oct 03, 2022Observed: 2892 ft at 12:15AM Oct 03, 2022Observed: 2892 ft at 12:30AM Oct 03, 2022Observed: 2892 ft at 12:45AM Oct 03, 2022Observed: 2892 ft at 1:00AM Oct 03, 2022Observed: 2891.99 ft at 1:15AM Oct 03, 2022Observed: 2892 ft at 1:30AM Oct 03, 2022Observed: 2892.01 ft at 1:45AM Oct 03, 2022Observed: 2891.99 ft at 2:00AM Oct 03, 2022Observed: 2892.01 ft at 2:15AM Oct 03, 2022Observed: 2892.01 ft at 2:30AM Oct 03, 2022Observed: 2891.99 ft at 2:45AM Oct 03, 2022Observed: 2891.99 ft at 3:00AM Oct 03, 2022Observed: 2892 ft at 3:15AM Oct 03, 2022Observed: 2891.99 ft at 3:30AM Oct 03, 2022Observed: 2891.99 ft at 3:45AM Oct 03, 2022Observed: 2892.01 ft at 4:00AM Oct 03, 2022Observed: 2892 ft at 4:15AM Oct 03, 2022Observed: 2892 ft at 4:30AM Oct 03, 2022Observed: 2892 ft at 4:45AM Oct 03, 2022Observed: 2891.99 ft at 5:00AM Oct 03, 2022Observed: 2891.98 ft at 5:15AM Oct 03, 2022Observed: 2891.99 ft at 5:30AM Oct 03, 2022Observed: 2892 ft at 5:45AM Oct 03, 2022Observed: 2891.99 ft at 6:00AM Oct 03, 2022Observed: 2892.02 ft at 6:15AM Oct 03, 2022Observed: 2892.01 ft at 6:30AM Oct 03, 2022Observed: 2892 ft at 6:45AM Oct 03, 2022Observed: 2891.99 ft at 7:00AM Oct 03, 2022Observed: 2891.99 ft at 7:15AM Oct 03, 2022Observed: 2891.99 ft at 7:30AM Oct 03, 2022Observed: 2892 ft at 7:45AM Oct 03, 2022Observed: 2892.01 ft at 8:00AM Oct 03, 2022Observed: 2892.01 ft at 8:15AM Oct 03, 2022Observed: 2891.99 ft at 8:30AM Oct 03, 2022Highest Forecast: 2891.99 ft 12:00PM Oct 03, 2022Highest Forecast: 2891.99 ft 6:00PM Oct 03, 2022Forecast: 2891.98 ft 12:00AM Oct 04, 2022Forecast: 2891.97 ft 6:00AM Oct 04, 2022Forecast: 2891.95 ft 12:00PM Oct 04, 2022Forecast: 2891.94 ft 6:00PM Oct 04, 2022Forecast: 2891.93 ft 12:00AM Oct 05, 2022Forecast: 2891.92 ft 6:00AM Oct 05, 2022Forecast: 2891.91 ft 12:00PM Oct 05, 2022Forecast: 2891.89 ft 6:00PM Oct 05, 2022Forecast: 2891.88 ft 12:00AM Oct 06, 2022Forecast: 2891.87 ft 6:00AM Oct 06, 2022Forecast: 2891.86 ft 12:00PM Oct 06, 2022Forecast: 2891.85 ft 6:00PM Oct 06, 2022Forecast: 2891.83 ft 12:00AM Oct 07, 2022Forecast: 2891.82 ft 6:00AM Oct 07, 2022Forecast: 2891.81 ft 12:00PM Oct 07, 2022Forecast: 2891.8 ft 6:00PM Oct 07, 2022Forecast: 2891.78 ft 12:00AM Oct 08, 2022Forecast: 2891.77 ft 6:00AM Oct 08, 2022Forecast: 2891.76 ft 12:00PM Oct 08, 2022Forecast: 2891.75 ft 6:00PM Oct 08, 2022Forecast: 2891.73 ft 12:00AM Oct 09, 2022Forecast: 2891.72 ft 6:00AM Oct 09, 2022Forecast: 2891.71 ft 12:00PM Oct 09, 2022Forecast: 2891.7 ft 6:00PM Oct 09, 2022Forecast: 2891.69 ft 12:00AM Oct 10, 2022Forecast: 2891.67 ft 6:00AM Oct 10, 2022USGS--Water Resources of the United StatesKERM8(plotting HPIRG) Graph Created (9:30AM Oct 3, 2022)ObservedForecast (issued 3:50PM Oct 2)Latest observed value: 2891.99 ft at 8:30 AM MDT 3-Oct-2022.
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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 Flathead Lake at Polson are issued routinely year-round.
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Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:15
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.
About This Location Collapse

Latitude: 47.696910° N, Longitude: 114.161000° 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 NULL NULL  

Current/Historical Observations:
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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
Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808
(406) 329-4840
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