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Hydrograph River at a Glance Download
Flathead Lake at Polson Pool (ft)Observed: 2887.07 ft at 5:15AM Jan 20, 2020Observed: 2887.09 ft at 5:30AM Jan 20, 2020Observed: 2887.09 ft at 5:45AM Jan 20, 2020Highest Observation: 2887.11 ft at 6:00AM Jan 20, 2020Observed: 2887.09 ft at 6:15AM Jan 20, 2020Observed: 2887.09 ft at 6:30AM Jan 20, 2020Observed: 2887.08 ft at 6:45AM Jan 20, 2020Observed: 2887.07 ft at 7:00AM Jan 20, 2020Observed: 2887.06 ft at 7:15AM Jan 20, 2020Observed: 2887.06 ft at 7:30AM Jan 20, 2020Observed: 2887.1 ft at 7:45AM Jan 20, 2020Observed: 2887.1 ft at 8:00AM Jan 20, 2020Observed: 2887.1 ft at 8:15AM Jan 20, 2020Observed: 2887.08 ft at 8:30AM Jan 20, 2020Observed: 2887.09 ft at 8:45AM Jan 20, 2020Observed: 2887.07 ft at 9:00AM Jan 20, 2020Observed: 2887.03 ft at 9:15AM Jan 20, 2020Observed: 2887.07 ft at 9:30AM Jan 20, 2020Observed: 2887.05 ft at 9:45AM Jan 20, 2020Observed: 2887.09 ft at 10:00AM Jan 20, 2020Observed: 2887.06 ft at 10:15AM Jan 20, 2020Observed: 2887.06 ft at 10:30AM Jan 20, 2020Observed: 2887.07 ft at 10:45AM Jan 20, 2020Observed: 2887.04 ft at 11:00AM Jan 20, 2020Observed: 2887.07 ft at 11:15AM Jan 20, 2020Observed: 2887.04 ft at 11:30AM Jan 20, 2020Observed: 2887.05 ft at 11:45AM Jan 20, 2020Observed: 2887.07 ft at 12:00PM Jan 20, 2020Observed: 2887.05 ft at 12:15PM Jan 20, 2020Observed: 2887.09 ft at 12:30PM Jan 20, 2020Observed: 2887.06 ft at 12:45PM Jan 20, 2020Observed: 2887.05 ft at 1:00PM Jan 20, 2020Observed: 2887.03 ft at 1:15PM Jan 20, 2020Observed: 2887.03 ft at 1:30PM Jan 20, 2020Observed: 2887.06 ft at 1:45PM Jan 20, 2020Observed: 2887.04 ft at 2:00PM Jan 20, 2020Observed: 2887.08 ft at 2:15PM Jan 20, 2020Observed: 2887.07 ft at 2:30PM Jan 20, 2020Observed: 2887.04 ft at 2:45PM Jan 20, 2020Observed: 2887.05 ft at 3:00PM Jan 20, 2020Observed: 2887 ft at 3:15PM Jan 20, 2020Observed: 2887.05 ft at 3:30PM Jan 20, 2020Observed: 2887.03 ft at 3:45PM Jan 20, 2020Observed: 2887.06 ft at 4:00PM Jan 20, 2020Observed: 2887.07 ft at 4:15PM Jan 20, 2020Observed: 2887.02 ft at 4:30PM Jan 20, 2020Observed: 2887.05 ft at 4:45PM Jan 20, 2020Observed: 2887.01 ft at 5:00PM Jan 20, 2020Observed: 2887.02 ft at 5:15PM Jan 20, 2020Observed: 2887.03 ft at 5:30PM Jan 20, 2020Observed: 2887 ft at 5:45PM Jan 20, 2020Observed: 2887.04 ft at 6:00PM Jan 20, 2020Observed: 2887.01 ft at 6:15PM Jan 20, 2020Observed: 2887.04 ft at 6:30PM Jan 20, 2020Observed: 2887.01 ft at 6:45PM Jan 20, 2020Observed: 2887 ft at 7:00PM Jan 20, 2020Observed: 2887.03 ft at 7:15PM Jan 20, 2020Observed: 2887 ft at 7:30PM Jan 20, 2020Observed: 2887.04 ft at 7:45PM Jan 20, 2020Observed: 2887 ft at 8:00PM Jan 20, 2020Observed: 2887.01 ft at 8:15PM Jan 20, 2020Observed: 2887.04 ft at 8:30PM Jan 20, 2020Observed: 2887.03 ft at 8:45PM Jan 20, 2020Observed: 2887.04 ft at 9:00PM Jan 20, 2020Observed: 2887 ft at 9:15PM Jan 20, 2020Observed: 2887.04 ft at 9:30PM Jan 20, 2020Observed: 2887.04 ft at 9:45PM Jan 20, 2020Observed: 2887.02 ft at 10:00PM Jan 20, 2020Observed: 2887.02 ft at 10:15PM Jan 20, 2020Observed: 2887 ft at 10:30PM Jan 20, 2020Observed: 2887.04 ft at 10:45PM Jan 20, 2020Observed: 2886.98 ft at 11:00PM Jan 20, 2020Observed: 2887.01 ft at 11:15PM Jan 20, 2020Observed: 2887.03 ft at 11:30PM Jan 20, 2020Observed: 2886.99 ft at 11:45PM Jan 20, 2020Observed: 2887.02 ft at 12:00AM Jan 21, 2020Observed: 2887 ft at 12:15AM Jan 21, 2020Observed: 2887.02 ft at 12:30AM Jan 21, 2020Observed: 2887.01 ft at 12:45AM Jan 21, 2020Observed: 2887.01 ft at 1:00AM Jan 21, 2020Observed: 2887.05 ft at 1:15AM Jan 21, 2020Observed: 2887 ft at 1:30AM Jan 21, 2020Observed: 2887.01 ft at 1:45AM Jan 21, 2020Observed: 2886.99 ft at 2:00AM Jan 21, 2020Observed: 2887.01 ft at 2:15AM Jan 21, 2020Observed: 2887.02 ft at 2:30AM Jan 21, 2020Observed: 2887.01 ft at 2:45AM Jan 21, 2020Observed: 2887.04 ft at 3:00AM Jan 21, 2020Observed: 2887.01 ft at 3:15AM Jan 21, 2020Observed: 2887 ft at 3:30AM Jan 21, 2020Observed: 2886.99 ft at 3:45AM Jan 21, 2020Observed: 2886.98 ft at 4:00AM Jan 21, 2020Observed: 2886.99 ft at 4:15AM Jan 21, 2020Observed: 2887 ft at 4:30AM Jan 21, 2020Observed: 2887 ft at 4:45AM Jan 21, 2020Observed: 2887.02 ft at 5:00AM Jan 21, 2020Observed: 2886.99 ft at 5:15AM Jan 21, 2020Observed: 2887.01 ft at 5:30AM Jan 21, 2020Observed: 2886.99 ft at 5:45AM Jan 21, 2020Observed: 2886.97 ft at 6:00AM Jan 21, 2020Observed: 2886.99 ft at 6:15AM Jan 21, 2020Observed: 2886.97 ft at 6:30AM Jan 21, 2020Observed: 2887.01 ft at 6:45AM Jan 21, 2020Observed: 2887.01 ft at 7:00AM Jan 21, 2020Observed: 2887.01 ft at 7:15AM Jan 21, 2020Observed: 2887.03 ft at 7:30AM Jan 21, 2020Observed: 2886.99 ft at 7:45AM Jan 21, 2020Observed: 2887 ft at 8:00AM Jan 21, 2020Observed: 2886.98 ft at 8:15AM Jan 21, 2020Observed: 2887 ft at 8:30AM Jan 21, 2020Observed: 2886.99 ft at 8:45AM Jan 21, 2020Observed: 2886.98 ft at 9:00AM Jan 21, 2020Observed: 2887.03 ft at 9:15AM Jan 21, 2020Observed: 2887 ft at 9:30AM Jan 21, 2020Observed: 2886.98 ft at 9:45AM Jan 21, 2020Observed: 2886.95 ft at 10:00AM Jan 21, 2020Observed: 2886.97 ft at 10:15AM Jan 21, 2020Observed: 2886.96 ft at 10:30AM Jan 21, 2020Observed: 2886.95 ft at 10:45AM Jan 21, 2020Observed: 2886.99 ft at 11:00AM Jan 21, 2020Observed: 2887 ft at 11:15AM Jan 21, 2020Observed: 2886.98 ft at 11:30AM Jan 21, 2020Observed: 2886.96 ft at 11:45AM Jan 21, 2020Observed: 2886.96 ft at 12:00PM Jan 21, 2020Observed: 2886.94 ft at 12:15PM Jan 21, 2020Observed: 2886.94 ft at 12:30PM Jan 21, 2020Observed: 2886.95 ft at 12:45PM Jan 21, 2020Observed: 2886.96 ft at 1:00PM Jan 21, 2020Observed: 2886.97 ft at 1:15PM Jan 21, 2020Observed: 2886.96 ft at 1:30PM Jan 21, 2020Observed: 2886.98 ft at 1:45PM Jan 21, 2020Observed: 2886.95 ft at 2:00PM Jan 21, 2020Observed: 2886.95 ft at 2:15PM Jan 21, 2020Observed: 2886.92 ft at 2:30PM Jan 21, 2020Observed: 2886.93 ft at 2:45PM Jan 21, 2020Observed: 2886.95 ft at 3:00PM Jan 21, 2020Observed: 2886.94 ft at 3:15PM Jan 21, 2020Observed: 2886.95 ft at 3:30PM Jan 21, 2020Observed: 2886.93 ft at 3:45PM Jan 21, 2020Observed: 2886.96 ft at 4:00PM Jan 21, 2020Observed: 2886.92 ft at 4:15PM Jan 21, 2020Observed: 2886.92 ft at 4:30PM Jan 21, 2020Observed: 2886.92 ft at 4:45PM Jan 21, 2020Observed: 2886.92 ft at 5:00PM Jan 21, 2020Observed: 2886.93 ft at 5:15PM Jan 21, 2020Observed: 2886.93 ft at 5:30PM Jan 21, 2020Observed: 2886.98 ft at 5:45PM Jan 21, 2020Observed: 2886.94 ft at 6:00PM Jan 21, 2020Observed: 2886.94 ft at 6:15PM Jan 21, 2020Observed: 2886.96 ft at 6:30PM Jan 21, 2020Observed: 2886.92 ft at 6:45PM Jan 21, 2020Observed: 2886.9 ft at 7:00PM Jan 21, 2020Observed: 2886.89 ft at 7:15PM Jan 21, 2020Observed: 2886.92 ft at 7:30PM Jan 21, 2020Observed: 2886.92 ft at 7:45PM Jan 21, 2020Observed: 2886.91 ft at 8:00PM Jan 21, 2020Observed: 2886.93 ft at 8:15PM Jan 21, 2020Observed: 2886.87 ft at 8:30PM Jan 21, 2020Observed: 2886.89 ft at 8:45PM Jan 21, 2020Observed: 2886.9 ft at 9:00PM Jan 21, 2020Observed: 2886.91 ft at 9:15PM Jan 21, 2020Observed: 2886.92 ft at 9:30PM Jan 21, 2020Observed: 2886.9 ft at 9:45PM Jan 21, 2020Observed: 2886.91 ft at 10:00PM Jan 21, 2020Observed: 2886.9 ft at 10:15PM Jan 21, 2020Observed: 2886.87 ft at 10:30PM Jan 21, 2020Observed: 2886.91 ft at 10:45PM Jan 21, 2020Observed: 2886.88 ft at 11:00PM Jan 21, 2020Observed: 2886.9 ft at 11:15PM Jan 21, 2020Observed: 2886.9 ft at 11:30PM Jan 21, 2020Observed: 2886.92 ft at 11:45PM Jan 21, 2020Observed: 2886.95 ft at 12:00AM Jan 22, 2020Observed: 2886.93 ft at 12:15AM Jan 22, 2020Observed: 2886.91 ft at 12:30AM Jan 22, 2020Observed: 2886.9 ft at 12:45AM Jan 22, 2020Observed: 2886.9 ft at 1:00AM Jan 22, 2020Observed: 2886.9 ft at 1:15AM Jan 22, 2020Observed: 2886.86 ft at 1:30AM Jan 22, 2020Observed: 2886.9 ft at 1:45AM Jan 22, 2020Observed: 2886.91 ft at 2:00AM Jan 22, 2020Observed: 2886.89 ft at 2:15AM Jan 22, 2020Observed: 2886.92 ft at 2:30AM Jan 22, 2020Observed: 2886.88 ft at 2:45AM Jan 22, 2020Observed: 2886.89 ft at 3:00AM Jan 22, 2020Observed: 2886.85 ft at 3:15AM Jan 22, 2020Observed: 2886.86 ft at 3:30AM Jan 22, 2020Observed: 2886.88 ft at 3:45AM Jan 22, 2020Observed: 2886.88 ft at 4:00AM Jan 22, 2020Observed: 2886.93 ft at 4:15AM Jan 22, 2020Observed: 2886.9 ft at 4:30AM Jan 22, 2020Observed: 2886.9 ft at 4:45AM Jan 22, 2020Observed: 2886.89 ft at 5:00AM Jan 22, 2020Observed: 2886.87 ft at 5:15AM Jan 22, 2020Observed: 2886.87 ft at 5:30AM Jan 22, 2020Observed: 2886.85 ft at 5:45AM Jan 22, 2020Observed: 2886.88 ft at 6:00AM Jan 22, 2020Observed: 2886.85 ft at 6:15AM Jan 22, 2020Observed: 2886.87 ft at 6:30AM Jan 22, 2020Observed: 2886.86 ft at 6:45AM Jan 22, 2020Observed: 2886.83 ft at 7:00AM Jan 22, 2020Observed: 2886.84 ft at 7:15AM Jan 22, 2020Observed: 2886.85 ft at 7:30AM Jan 22, 2020Observed: 2886.84 ft at 7:45AM Jan 22, 2020Observed: 2886.81 ft at 8:00AM Jan 22, 2020Observed: 2886.83 ft at 8:15AM Jan 22, 2020Observed: 2886.84 ft at 8:30AM Jan 22, 2020Observed: 2886.81 ft at 8:45AM Jan 22, 2020Observed: 2886.83 ft at 9:00AM Jan 22, 2020Observed: 2886.83 ft at 9:15AM Jan 22, 2020Observed: 2886.84 ft at 9:30AM Jan 22, 2020Observed: 2886.83 ft at 9:45AM Jan 22, 2020Observed: 2886.83 ft at 10:00AM Jan 22, 2020Observed: 2886.85 ft at 10:15AM Jan 22, 2020Observed: 2886.84 ft at 10:30AM Jan 22, 2020Observed: 2886.83 ft at 10:45AM Jan 22, 2020Observed: 2886.83 ft at 11:00AM Jan 22, 2020Observed: 2886.84 ft at 11:15AM Jan 22, 2020Observed: 2886.83 ft at 11:30AM Jan 22, 2020Observed: 2886.84 ft at 11:45AM Jan 22, 2020Observed: 2886.83 ft at 12:00PM Jan 22, 2020Observed: 2886.82 ft at 12:15PM Jan 22, 2020Observed: 2886.84 ft at 12:30PM Jan 22, 2020Observed: 2886.82 ft at 12:45PM Jan 22, 2020Observed: 2886.81 ft at 1:00PM Jan 22, 2020Observed: 2886.83 ft at 1:15PM Jan 22, 2020Observed: 2886.82 ft at 1:30PM Jan 22, 2020Observed: 2886.83 ft at 1:45PM Jan 22, 2020Observed: 2886.82 ft at 2:00PM Jan 22, 2020Observed: 2886.82 ft at 2:15PM Jan 22, 2020Observed: 2886.83 ft at 2:30PM Jan 22, 2020Observed: 2886.81 ft at 2:45PM Jan 22, 2020Observed: 2886.82 ft at 3:00PM Jan 22, 2020Observed: 2886.77 ft at 3:15PM Jan 22, 2020Observed: 2886.81 ft at 3:30PM Jan 22, 2020Observed: 2886.82 ft at 3:45PM Jan 22, 2020Observed: 2886.81 ft at 4:00PM Jan 22, 2020Observed: 2886.84 ft at 4:15PM Jan 22, 2020Observed: 2886.82 ft at 4:30PM Jan 22, 2020Observed: 2886.84 ft at 4:45PM Jan 22, 2020Observed: 2886.82 ft at 5:00PM Jan 22, 2020Observed: 2886.81 ft at 5:15PM Jan 22, 2020Observed: 2886.84 ft at 5:30PM Jan 22, 2020Observed: 2886.82 ft at 5:45PM Jan 22, 2020Observed: 2886.85 ft at 6:00PM Jan 22, 2020Observed: 2886.86 ft at 6:15PM Jan 22, 2020Observed: 2886.85 ft at 6:30PM Jan 22, 2020Observed: 2886.85 ft at 6:45PM Jan 22, 2020Observed: 2886.84 ft at 7:00PM Jan 22, 2020Observed: 2886.85 ft at 7:15PM Jan 22, 2020Observed: 2886.82 ft at 7:30PM Jan 22, 2020Observed: 2886.83 ft at 7:45PM Jan 22, 2020Observed: 2886.86 ft at 8:00PM Jan 22, 2020Observed: 2886.85 ft at 8:15PM Jan 22, 2020Observed: 2886.85 ft at 8:30PM Jan 22, 2020Observed: 2886.85 ft at 8:45PM Jan 22, 2020Observed: 2886.84 ft at 9:00PM Jan 22, 2020Observed: 2886.82 ft at 9:15PM Jan 22, 2020Observed: 2886.8 ft at 9:30PM Jan 22, 2020Observed: 2886.8 ft at 9:45PM Jan 22, 2020Observed: 2886.81 ft at 10:00PM Jan 22, 2020Observed: 2886.83 ft at 10:15PM Jan 22, 2020Observed: 2886.86 ft at 10:30PM Jan 22, 2020Observed: 2886.86 ft at 10:45PM Jan 22, 2020Observed: 2886.89 ft at 11:00PM Jan 22, 2020Observed: 2886.85 ft at 11:15PM Jan 22, 2020Observed: 2886.82 ft at 11:30PM Jan 22, 2020Observed: 2886.82 ft at 11:45PM Jan 22, 2020Observed: 2886.8 ft at 12:00AM Jan 23, 2020Observed: 2886.82 ft at 12:15AM Jan 23, 2020Observed: 2886.82 ft at 12:30AM Jan 23, 2020Observed: 2886.84 ft at 12:45AM Jan 23, 2020Observed: 2886.88 ft at 1:00AM Jan 23, 2020Observed: 2886.85 ft at 1:15AM Jan 23, 2020Observed: 2886.83 ft at 1:30AM Jan 23, 2020Observed: 2886.83 ft at 1:45AM Jan 23, 2020Observed: 2886.79 ft at 2:00AM Jan 23, 2020Observed: 2886.8 ft at 2:15AM Jan 23, 2020Observed: 2886.81 ft at 2:30AM Jan 23, 2020Observed: 2886.83 ft at 2:45AM Jan 23, 2020Observed: 2886.85 ft at 3:00AM Jan 23, 2020Observed: 2886.82 ft at 3:15AM Jan 23, 2020Observed: 2886.86 ft at 3:30AM Jan 23, 2020Observed: 2886.81 ft at 3:45AM Jan 23, 2020Observed: 2886.81 ft at 4:00AM Jan 23, 2020Observed: 2886.81 ft at 4:15AM Jan 23, 2020Observed: 2886.78 ft at 4:30AM Jan 23, 2020Highest Forecast: 2886.69 ft 11:00AM Jan 23, 2020Forecast: 2886.67 ft 5:00PM Jan 23, 2020Forecast: 2886.64 ft 11:00PM Jan 23, 2020Forecast: 2886.62 ft 5:00AM Jan 24, 2020Forecast: 2886.61 ft 11:00AM Jan 24, 2020Forecast: 2886.59 ft 5:00PM Jan 24, 2020Forecast: 2886.57 ft 11:00PM Jan 24, 2020Forecast: 2886.56 ft 5:00AM Jan 25, 2020Forecast: 2886.54 ft 11:00AM Jan 25, 2020Forecast: 2886.53 ft 5:00PM Jan 25, 2020Forecast: 2886.51 ft 11:00PM Jan 25, 2020Forecast: 2886.5 ft 5:00AM Jan 26, 2020Forecast: 2886.48 ft 11:00AM Jan 26, 2020Forecast: 2886.47 ft 5:00PM Jan 26, 2020Forecast: 2886.45 ft 11:00PM Jan 26, 2020Forecast: 2886.44 ft 5:00AM Jan 27, 2020Forecast: 2886.42 ft 11:00AM Jan 27, 2020Forecast: 2886.41 ft 5:00PM Jan 27, 2020Forecast: 2886.39 ft 11:00PM Jan 27, 2020Forecast: 2886.38 ft 5:00AM Jan 28, 2020Forecast: 2886.36 ft 11:00AM Jan 28, 2020Forecast: 2886.34 ft 5:00PM Jan 28, 2020Forecast: 2886.33 ft 11:00PM Jan 28, 2020Forecast: 2886.31 ft 5:00AM Jan 29, 2020Forecast: 2886.3 ft 11:00AM Jan 29, 2020Forecast: 2886.28 ft 5:00PM Jan 29, 2020Forecast: 2886.27 ft 11:00PM Jan 29, 2020Forecast: 2886.25 ft 5:00AM Jan 30, 2020USGS--Water Resources of the United StatesKERM8(plotting HPIRG) Graph Created (5:00AM Jan 23, 2020)ObservedForecast (issued 5:20PM Jan 22)Latest observed value: 2886.78 ft at 4:30 AM MST 23-Jan-2020.
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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.
Return to Area Map
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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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
Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808
(406) 329-4840
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