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Hydrograph River at a Glance Download
Flathead Lake at Polson Pool (ft)Observed: 2887.3 ft at 10:30PM Jan 13, 2022Observed: 2887.32 ft at 10:45PM Jan 13, 2022Observed: 2887.34 ft at 11:00PM Jan 13, 2022Observed: 2887.3 ft at 11:15PM Jan 13, 2022Observed: 2887.35 ft at 11:30PM Jan 13, 2022Observed: 2887.34 ft at 11:45PM Jan 13, 2022Highest Observation: 2887.37 ft at 12:00AM Jan 14, 2022Observed: 2887.36 ft at 12:15AM Jan 14, 2022Observed: 2887.34 ft at 12:30AM Jan 14, 2022Observed: 2887.33 ft at 12:45AM Jan 14, 2022Observed: 2887.28 ft at 1:00AM Jan 14, 2022Observed: 2887.35 ft at 1:15AM Jan 14, 2022Observed: 2887.32 ft at 1:30AM Jan 14, 2022Observed: 2887.31 ft at 1:45AM Jan 14, 2022Observed: 2887.36 ft at 2:00AM Jan 14, 2022Observed: 2887.35 ft at 2:15AM Jan 14, 2022Observed: 2887.35 ft at 2:30AM Jan 14, 2022Observed: 2887.3 ft at 2:45AM Jan 14, 2022Observed: 2887.32 ft at 3:00AM Jan 14, 2022Observed: 2887.32 ft at 3:15AM Jan 14, 2022Observed: 2887.3 ft at 3:30AM Jan 14, 2022Observed: 2887.34 ft at 3:45AM Jan 14, 2022Observed: 2887.32 ft at 4:00AM Jan 14, 2022Observed: 2887.33 ft at 4:15AM Jan 14, 2022Observed: 2887.34 ft at 4:30AM Jan 14, 2022Observed: 2887.32 ft at 4:45AM Jan 14, 2022Observed: 2887.3 ft at 5:00AM Jan 14, 2022Observed: 2887.29 ft at 5:15AM Jan 14, 2022Observed: 2887.34 ft at 5:30AM Jan 14, 2022Observed: 2887.31 ft at 5:45AM Jan 14, 2022Observed: 2887.3 ft at 6:00AM Jan 14, 2022Observed: 2887.35 ft at 6:15AM Jan 14, 2022Observed: 2887.31 ft at 6:30AM Jan 14, 2022Observed: 2887.33 ft at 6:45AM Jan 14, 2022Observed: 2887.32 ft at 7:00AM Jan 14, 2022Observed: 2887.3 ft at 7:15AM Jan 14, 2022Observed: 2887.3 ft at 7:30AM Jan 14, 2022Observed: 2887.3 ft at 7:45AM Jan 14, 2022Observed: 2887.33 ft at 8:00AM Jan 14, 2022Observed: 2887.28 ft at 8:15AM Jan 14, 2022Observed: 2887.31 ft at 8:30AM Jan 14, 2022Observed: 2887.34 ft at 8:45AM Jan 14, 2022Observed: 2887.3 ft at 9:00AM Jan 14, 2022Observed: 2887.3 ft at 9:15AM Jan 14, 2022Observed: 2887.29 ft at 9:30AM Jan 14, 2022Observed: 2887.3 ft at 9:45AM Jan 14, 2022Observed: 2887.29 ft at 10:00AM Jan 14, 2022Observed: 2887.3 ft at 10:15AM Jan 14, 2022Observed: 2887.3 ft at 10:30AM Jan 14, 2022Observed: 2887.29 ft at 10:45AM Jan 14, 2022Observed: 2887.32 ft at 11:00AM Jan 14, 2022Observed: 2887.3 ft at 11:15AM Jan 14, 2022Observed: 2887.29 ft at 11:30AM Jan 14, 2022Observed: 2887.28 ft at 11:45AM Jan 14, 2022Observed: 2887.3 ft at 12:00PM Jan 14, 2022Observed: 2887.3 ft at 12:15PM Jan 14, 2022Observed: 2887.29 ft at 12:30PM Jan 14, 2022Observed: 2887.3 ft at 12:45PM Jan 14, 2022Observed: 2887.31 ft at 1:00PM Jan 14, 2022Observed: 2887.29 ft at 1:15PM Jan 14, 2022Observed: 2887.28 ft at 1:30PM Jan 14, 2022Observed: 2887.3 ft at 1:45PM Jan 14, 2022Observed: 2887.27 ft at 2:00PM Jan 14, 2022Observed: 2887.3 ft at 2:15PM Jan 14, 2022Observed: 2887.29 ft at 2:30PM Jan 14, 2022Observed: 2887.27 ft at 2:45PM Jan 14, 2022Observed: 2887.28 ft at 3:00PM Jan 14, 2022Observed: 2887.28 ft at 3:15PM Jan 14, 2022Observed: 2887.29 ft at 3:30PM Jan 14, 2022Observed: 2887.25 ft at 3:45PM Jan 14, 2022Observed: 2887.28 ft at 4:00PM Jan 14, 2022Observed: 2887.28 ft at 4:15PM Jan 14, 2022Observed: 2887.26 ft at 4:30PM Jan 14, 2022Observed: 2887.27 ft at 4:45PM Jan 14, 2022Observed: 2887.27 ft at 5:00PM Jan 14, 2022Observed: 2887.28 ft at 5:15PM Jan 14, 2022Observed: 2887.29 ft at 5:30PM Jan 14, 2022Observed: 2887.28 ft at 5:45PM Jan 14, 2022Observed: 2887.26 ft at 6:00PM Jan 14, 2022Observed: 2887.25 ft at 6:15PM Jan 14, 2022Observed: 2887.27 ft at 6:30PM Jan 14, 2022Observed: 2887.27 ft at 6:45PM Jan 14, 2022Observed: 2887.23 ft at 7:00PM Jan 14, 2022Observed: 2887.26 ft at 7:15PM Jan 14, 2022Observed: 2887.28 ft at 7:30PM Jan 14, 2022Observed: 2887.28 ft at 7:45PM Jan 14, 2022Observed: 2887.27 ft at 8:00PM Jan 14, 2022Observed: 2887.26 ft at 8:15PM Jan 14, 2022Observed: 2887.28 ft at 8:30PM Jan 14, 2022Observed: 2887.24 ft at 8:45PM Jan 14, 2022Observed: 2887.23 ft at 9:00PM Jan 14, 2022Observed: 2887.24 ft at 9:15PM Jan 14, 2022Observed: 2887.24 ft at 9:30PM Jan 14, 2022Observed: 2887.28 ft at 9:45PM Jan 14, 2022Observed: 2887.29 ft at 10:00PM Jan 14, 2022Observed: 2887.27 ft at 10:15PM Jan 14, 2022Observed: 2887.3 ft at 10:30PM Jan 14, 2022Observed: 2887.26 ft at 10:45PM Jan 14, 2022Observed: 2887.25 ft at 11:00PM Jan 14, 2022Observed: 2887.22 ft at 11:15PM Jan 14, 2022Observed: 2887.21 ft at 11:30PM Jan 14, 2022Observed: 2887.25 ft at 11:45PM Jan 14, 2022Observed: 2887.21 ft at 12:00AM Jan 15, 2022Observed: 2887.29 ft at 12:15AM Jan 15, 2022Observed: 2887.24 ft at 12:30AM Jan 15, 2022Observed: 2887.23 ft at 12:45AM Jan 15, 2022Observed: 2887.25 ft at 1:00AM Jan 15, 2022Observed: 2887.19 ft at 1:15AM Jan 15, 2022Observed: 2887.23 ft at 1:30AM Jan 15, 2022Observed: 2887.17 ft at 1:45AM Jan 15, 2022Observed: 2887.23 ft at 2:00AM Jan 15, 2022Observed: 2887.25 ft at 2:15AM Jan 15, 2022Observed: 2887.24 ft at 2:30AM Jan 15, 2022Observed: 2887.3 ft at 2:45AM Jan 15, 2022Observed: 2887.21 ft at 3:00AM Jan 15, 2022Observed: 2887.25 ft at 3:15AM Jan 15, 2022Observed: 2887.2 ft at 3:30AM Jan 15, 2022Observed: 2887.18 ft at 3:45AM Jan 15, 2022Observed: 2887.24 ft at 4:00AM Jan 15, 2022Observed: 2887.2 ft at 4:15AM Jan 15, 2022Observed: 2887.25 ft at 4:30AM Jan 15, 2022Observed: 2887.23 ft at 4:45AM Jan 15, 2022Observed: 2887.21 ft at 5:00AM Jan 15, 2022Observed: 2887.25 ft at 5:15AM Jan 15, 2022Observed: 2887.16 ft at 5:30AM Jan 15, 2022Observed: 2887.23 ft at 5:45AM Jan 15, 2022Observed: 2887.22 ft at 6:00AM Jan 15, 2022Observed: 2887.18 ft at 6:15AM Jan 15, 2022Observed: 2887.2 ft at 6:30AM Jan 15, 2022Observed: 2887.17 ft at 6:45AM Jan 15, 2022Observed: 2887.29 ft at 7:00AM Jan 15, 2022Observed: 2887.16 ft at 7:15AM Jan 15, 2022Observed: 2887.23 ft at 7:30AM Jan 15, 2022Observed: 2887.2 ft at 7:45AM Jan 15, 2022Observed: 2887.14 ft at 8:00AM Jan 15, 2022Observed: 2887.21 ft at 8:15AM Jan 15, 2022Observed: 2887.14 ft at 8:30AM Jan 15, 2022Observed: 2887.26 ft at 8:45AM Jan 15, 2022Observed: 2887.19 ft at 9:00AM Jan 15, 2022Observed: 2887.23 ft at 9:15AM Jan 15, 2022Observed: 2887.22 ft at 9:30AM Jan 15, 2022Observed: 2887.18 ft at 9:45AM Jan 15, 2022Observed: 2887.19 ft at 10:00AM Jan 15, 2022Observed: 2887.14 ft at 10:15AM Jan 15, 2022Observed: 2887.19 ft at 10:30AM Jan 15, 2022Observed: 2887.16 ft at 10:45AM Jan 15, 2022Observed: 2887.22 ft at 11:00AM Jan 15, 2022Observed: 2887.21 ft at 11:15AM Jan 15, 2022Observed: 2887.19 ft at 11:30AM Jan 15, 2022Observed: 2887.22 ft at 11:45AM Jan 15, 2022Observed: 2887.12 ft at 12:00PM Jan 15, 2022Observed: 2887.16 ft at 12:15PM Jan 15, 2022Observed: 2887.12 ft at 12:30PM Jan 15, 2022Observed: 2887.17 ft at 12:45PM Jan 15, 2022Observed: 2887.2 ft at 1:00PM Jan 15, 2022Observed: 2887.18 ft at 1:15PM Jan 15, 2022Observed: 2887.24 ft at 1:30PM Jan 15, 2022Observed: 2887.21 ft at 1:45PM Jan 15, 2022Observed: 2887.18 ft at 2:00PM Jan 15, 2022Observed: 2887.14 ft at 2:15PM Jan 15, 2022Observed: 2887.15 ft at 2:30PM Jan 15, 2022Observed: 2887.15 ft at 2:45PM Jan 15, 2022Observed: 2887.19 ft at 3:00PM Jan 15, 2022Observed: 2887.21 ft at 3:15PM Jan 15, 2022Observed: 2887.2 ft at 3:30PM Jan 15, 2022Observed: 2887.21 ft at 3:45PM Jan 15, 2022Observed: 2887.18 ft at 4:00PM Jan 15, 2022Observed: 2887.17 ft at 4:15PM Jan 15, 2022Observed: 2887.13 ft at 4:30PM Jan 15, 2022Observed: 2887.11 ft at 4:45PM Jan 15, 2022Observed: 2887.17 ft at 5:00PM Jan 15, 2022Observed: 2887.17 ft at 5:15PM Jan 15, 2022Observed: 2887.23 ft at 5:30PM Jan 15, 2022Observed: 2887.2 ft at 5:45PM Jan 15, 2022Observed: 2887.17 ft at 6:00PM Jan 15, 2022Observed: 2887.18 ft at 6:15PM Jan 15, 2022Observed: 2887.11 ft at 6:30PM Jan 15, 2022Observed: 2887.12 ft at 6:45PM Jan 15, 2022Observed: 2887.12 ft at 7:00PM Jan 15, 2022Observed: 2887.17 ft at 7:15PM Jan 15, 2022Observed: 2887.22 ft at 7:30PM Jan 15, 2022Observed: 2887.18 ft at 7:45PM Jan 15, 2022Observed: 2887.21 ft at 8:00PM Jan 15, 2022Observed: 2887.18 ft at 8:15PM Jan 15, 2022Observed: 2887.13 ft at 8:30PM Jan 15, 2022Observed: 2887.12 ft at 8:45PM Jan 15, 2022Observed: 2887.1 ft at 9:00PM Jan 15, 2022Observed: 2887.16 ft at 9:15PM Jan 15, 2022Observed: 2887.15 ft at 9:30PM Jan 15, 2022Observed: 2887.22 ft at 9:45PM Jan 15, 2022Observed: 2887.2 ft at 10:00PM Jan 15, 2022Observed: 2887.16 ft at 10:15PM Jan 15, 2022Observed: 2887.18 ft at 10:30PM Jan 15, 2022Observed: 2887.11 ft at 10:45PM Jan 15, 2022Observed: 2887.12 ft at 11:00PM Jan 15, 2022Observed: 2887.11 ft at 11:15PM Jan 15, 2022Observed: 2887.17 ft at 11:30PM Jan 15, 2022Observed: 2887.17 ft at 11:45PM Jan 15, 2022Observed: 2887.17 ft at 12:00AM Jan 16, 2022Observed: 2887.2 ft at 12:15AM Jan 16, 2022Observed: 2887.14 ft at 12:30AM Jan 16, 2022Observed: 2887.14 ft at 12:45AM Jan 16, 2022Observed: 2887.12 ft at 1:00AM Jan 16, 2022Observed: 2887.11 ft at 1:15AM Jan 16, 2022Observed: 2887.12 ft at 1:30AM Jan 16, 2022Observed: 2887.14 ft at 1:45AM Jan 16, 2022Observed: 2887.19 ft at 2:00AM Jan 16, 2022Observed: 2887.17 ft at 2:15AM Jan 16, 2022Observed: 2887.17 ft at 2:30AM Jan 16, 2022Observed: 2887.16 ft at 2:45AM Jan 16, 2022Observed: 2887.14 ft at 3:00AM Jan 16, 2022Observed: 2887.1 ft at 3:15AM Jan 16, 2022Observed: 2887.11 ft at 3:30AM Jan 16, 2022Observed: 2887.14 ft at 3:45AM Jan 16, 2022Observed: 2887.15 ft at 4:00AM Jan 16, 2022Observed: 2887.17 ft at 4:15AM Jan 16, 2022Observed: 2887.18 ft at 4:30AM Jan 16, 2022Observed: 2887.15 ft at 4:45AM Jan 16, 2022Observed: 2887.13 ft at 5:00AM Jan 16, 2022Observed: 2887.13 ft at 5:15AM Jan 16, 2022Observed: 2887.1 ft at 5:30AM Jan 16, 2022Observed: 2887.11 ft at 5:45AM Jan 16, 2022Observed: 2887.12 ft at 6:00AM Jan 16, 2022Observed: 2887.15 ft at 6:15AM Jan 16, 2022Observed: 2887.14 ft at 6:30AM Jan 16, 2022Observed: 2887.15 ft at 6:45AM Jan 16, 2022Observed: 2887.14 ft at 7:00AM Jan 16, 2022Observed: 2887.1 ft at 7:15AM Jan 16, 2022Observed: 2887.1 ft at 7:30AM Jan 16, 2022Observed: 2887.13 ft at 7:45AM Jan 16, 2022Observed: 2887.1 ft at 8:00AM Jan 16, 2022Observed: 2887.13 ft at 8:15AM Jan 16, 2022Observed: 2887.13 ft at 8:30AM Jan 16, 2022Observed: 2887.14 ft at 8:45AM Jan 16, 2022Observed: 2887.13 ft at 9:00AM Jan 16, 2022Observed: 2887.13 ft at 9:15AM Jan 16, 2022Observed: 2887.13 ft at 9:30AM Jan 16, 2022Observed: 2887.08 ft at 9:45AM Jan 16, 2022Observed: 2887.09 ft at 10:00AM Jan 16, 2022Observed: 2887.11 ft at 10:15AM Jan 16, 2022Observed: 2887.12 ft at 10:30AM Jan 16, 2022Observed: 2887.13 ft at 10:45AM Jan 16, 2022Observed: 2887.14 ft at 11:00AM Jan 16, 2022Observed: 2887.14 ft at 11:15AM Jan 16, 2022Observed: 2887.11 ft at 11:30AM Jan 16, 2022Observed: 2887.1 ft at 11:45AM Jan 16, 2022Observed: 2887.09 ft at 12:00PM Jan 16, 2022Observed: 2887.08 ft at 12:15PM Jan 16, 2022Observed: 2887.08 ft at 12:30PM Jan 16, 2022Observed: 2887.13 ft at 12:45PM Jan 16, 2022Observed: 2887.1 ft at 1:00PM Jan 16, 2022Observed: 2887.13 ft at 1:15PM Jan 16, 2022Observed: 2887.13 ft at 1:30PM Jan 16, 2022Observed: 2887.09 ft at 1:45PM Jan 16, 2022Observed: 2887.09 ft at 2:00PM Jan 16, 2022Observed: 2887.06 ft at 2:15PM Jan 16, 2022Observed: 2887.1 ft at 2:30PM Jan 16, 2022Observed: 2887.08 ft at 2:45PM Jan 16, 2022Observed: 2887.1 ft at 3:00PM Jan 16, 2022Observed: 2887.13 ft at 3:15PM Jan 16, 2022Observed: 2887.06 ft at 3:30PM Jan 16, 2022Observed: 2887.1 ft at 3:45PM Jan 16, 2022Observed: 2887.1 ft at 4:00PM Jan 16, 2022Observed: 2887.08 ft at 4:15PM Jan 16, 2022Observed: 2887.09 ft at 4:30PM Jan 16, 2022Observed: 2887.06 ft at 4:45PM Jan 16, 2022Observed: 2887.1 ft at 5:00PM Jan 16, 2022Observed: 2887.06 ft at 5:15PM Jan 16, 2022Observed: 2887.08 ft at 5:30PM Jan 16, 2022Observed: 2887.08 ft at 5:45PM Jan 16, 2022Observed: 2887.06 ft at 6:00PM Jan 16, 2022Observed: 2887.09 ft at 6:15PM Jan 16, 2022Observed: 2887.08 ft at 6:30PM Jan 16, 2022Observed: 2887.06 ft at 6:45PM Jan 16, 2022Observed: 2887.06 ft at 7:00PM Jan 16, 2022Observed: 2887.06 ft at 7:15PM Jan 16, 2022Observed: 2887.07 ft at 7:30PM Jan 16, 2022Observed: 2887.04 ft at 7:45PM Jan 16, 2022Observed: 2887.07 ft at 8:00PM Jan 16, 2022Observed: 2887.07 ft at 8:15PM Jan 16, 2022Observed: 2887.04 ft at 8:30PM Jan 16, 2022Observed: 2887.07 ft at 8:45PM Jan 16, 2022Observed: 2887.05 ft at 9:00PM Jan 16, 2022Observed: 2887.09 ft at 9:15PM Jan 16, 2022Observed: 2887.08 ft at 9:30PM Jan 16, 2022Highest Forecast: 2887.1 ft 11:00PM Jan 16, 2022Forecast: 2887.08 ft 5:00AM Jan 17, 2022Forecast: 2887.06 ft 11:00AM Jan 17, 2022Forecast: 2887.04 ft 5:00PM Jan 17, 2022Forecast: 2887.01 ft 11:00PM Jan 17, 2022Forecast: 2886.99 ft 5:00AM Jan 18, 2022Forecast: 2886.97 ft 11:00AM Jan 18, 2022Forecast: 2886.94 ft 5:00PM Jan 18, 2022Forecast: 2886.92 ft 11:00PM Jan 18, 2022Forecast: 2886.9 ft 5:00AM Jan 19, 2022Forecast: 2886.88 ft 11:00AM Jan 19, 2022Forecast: 2886.85 ft 5:00PM Jan 19, 2022Forecast: 2886.83 ft 11:00PM Jan 19, 2022Forecast: 2886.81 ft 5:00AM Jan 20, 2022Forecast: 2886.78 ft 11:00AM Jan 20, 2022Forecast: 2886.76 ft 5:00PM Jan 20, 2022Forecast: 2886.74 ft 11:00PM Jan 20, 2022Forecast: 2886.72 ft 5:00AM Jan 21, 2022Forecast: 2886.69 ft 11:00AM Jan 21, 2022Forecast: 2886.67 ft 5:00PM Jan 21, 2022Forecast: 2886.65 ft 11:00PM Jan 21, 2022Forecast: 2886.62 ft 5:00AM Jan 22, 2022Forecast: 2886.6 ft 11:00AM Jan 22, 2022Forecast: 2886.58 ft 5:00PM Jan 22, 2022Forecast: 2886.55 ft 11:00PM Jan 22, 2022Forecast: 2886.53 ft 5:00AM Jan 23, 2022Forecast: 2886.51 ft 11:00AM Jan 23, 2022Forecast: 2886.48 ft 5:00PM Jan 23, 2022USGS--Water Resources of the United StatesKERM8(plotting HPIRG) Graph Created (10:15PM Jan 16, 2022)ObservedForecast (issued 3:28PM Jan 16)Latest observed value: 2887.08 ft at 9:30 PM MST 16-Jan-2022.
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About this graph
Tabular Data (UTC)
Tabular Data (MST)
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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