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Hydrograph River at a Glance Download
Flathead Lake at Polson Pool (ft)Observed: 2886.89 ft at 10:30PM Jan 23, 2021Observed: 2886.89 ft at 10:45PM Jan 23, 2021Observed: 2886.89 ft at 11:00PM Jan 23, 2021Observed: 2886.9 ft at 11:15PM Jan 23, 2021Observed: 2886.89 ft at 11:30PM Jan 23, 2021Highest Observation: 2886.91 ft at 11:45PM Jan 23, 2021Observed: 2886.9 ft at 12:00AM Jan 24, 2021Observed: 2886.9 ft at 12:15AM Jan 24, 2021Observed: 2886.9 ft at 12:30AM Jan 24, 2021Observed: 2886.89 ft at 12:45AM Jan 24, 2021Observed: 2886.88 ft at 1:00AM Jan 24, 2021Observed: 2886.87 ft at 1:15AM Jan 24, 2021Observed: 2886.89 ft at 1:30AM Jan 24, 2021Observed: 2886.89 ft at 1:45AM Jan 24, 2021Observed: 2886.89 ft at 2:00AM Jan 24, 2021Observed: 2886.88 ft at 2:15AM Jan 24, 2021Observed: 2886.88 ft at 2:30AM Jan 24, 2021Observed: 2886.9 ft at 2:45AM Jan 24, 2021Observed: 2886.88 ft at 3:00AM Jan 24, 2021Observed: 2886.89 ft at 3:15AM Jan 24, 2021Observed: 2886.89 ft at 3:30AM Jan 24, 2021Observed: 2886.89 ft at 3:45AM Jan 24, 2021Observed: 2886.9 ft at 4:00AM Jan 24, 2021Observed: 2886.87 ft at 4:15AM Jan 24, 2021Observed: 2886.89 ft at 4:30AM Jan 24, 2021Observed: 2886.88 ft at 4:45AM Jan 24, 2021Observed: 2886.87 ft at 5:00AM Jan 24, 2021Observed: 2886.88 ft at 5:15AM Jan 24, 2021Observed: 2886.88 ft at 5:30AM Jan 24, 2021Observed: 2886.89 ft at 5:45AM Jan 24, 2021Observed: 2886.89 ft at 6:00AM Jan 24, 2021Observed: 2886.88 ft at 6:15AM Jan 24, 2021Observed: 2886.88 ft at 6:30AM Jan 24, 2021Observed: 2886.87 ft at 6:45AM Jan 24, 2021Observed: 2886.88 ft at 7:00AM Jan 24, 2021Observed: 2886.87 ft at 7:15AM Jan 24, 2021Observed: 2886.87 ft at 7:30AM Jan 24, 2021Observed: 2886.88 ft at 7:45AM Jan 24, 2021Observed: 2886.88 ft at 8:00AM Jan 24, 2021Observed: 2886.88 ft at 8:15AM Jan 24, 2021Observed: 2886.88 ft at 8:30AM Jan 24, 2021Observed: 2886.88 ft at 8:45AM Jan 24, 2021Observed: 2886.89 ft at 9:00AM Jan 24, 2021Observed: 2886.88 ft at 9:15AM Jan 24, 2021Observed: 2886.88 ft at 9:30AM Jan 24, 2021Observed: 2886.89 ft at 9:45AM Jan 24, 2021Observed: 2886.88 ft at 10:00AM Jan 24, 2021Observed: 2886.9 ft at 10:15AM Jan 24, 2021Observed: 2886.9 ft at 10:30AM Jan 24, 2021Highest Observation: 2886.91 ft at 10:45AM Jan 24, 2021Observed: 2886.9 ft at 11:00AM Jan 24, 2021Observed: 2886.89 ft at 11:15AM Jan 24, 2021Observed: 2886.89 ft at 11:30AM Jan 24, 2021Observed: 2886.87 ft at 11:45AM Jan 24, 2021Observed: 2886.88 ft at 12:00PM Jan 24, 2021Observed: 2886.87 ft at 12:15PM Jan 24, 2021Observed: 2886.87 ft at 12:30PM Jan 24, 2021Observed: 2886.87 ft at 12:45PM Jan 24, 2021Observed: 2886.86 ft at 1:00PM Jan 24, 2021Observed: 2886.87 ft at 1:15PM Jan 24, 2021Observed: 2886.87 ft at 1:30PM Jan 24, 2021Observed: 2886.86 ft at 1:45PM Jan 24, 2021Observed: 2886.85 ft at 2:00PM Jan 24, 2021Observed: 2886.86 ft at 2:15PM Jan 24, 2021Observed: 2886.86 ft at 2:30PM Jan 24, 2021Observed: 2886.85 ft at 2:45PM Jan 24, 2021Observed: 2886.85 ft at 3:00PM Jan 24, 2021Observed: 2886.86 ft at 3:15PM Jan 24, 2021Observed: 2886.86 ft at 3:30PM Jan 24, 2021Observed: 2886.85 ft at 3:45PM Jan 24, 2021Observed: 2886.86 ft at 4:00PM Jan 24, 2021Observed: 2886.86 ft at 4:15PM Jan 24, 2021Observed: 2886.86 ft at 4:30PM Jan 24, 2021Observed: 2886.86 ft at 4:45PM Jan 24, 2021Observed: 2886.87 ft at 5:00PM Jan 24, 2021Observed: 2886.86 ft at 5:15PM Jan 24, 2021Observed: 2886.87 ft at 5:30PM Jan 24, 2021Observed: 2886.87 ft at 5:45PM Jan 24, 2021Observed: 2886.87 ft at 6:00PM Jan 24, 2021Observed: 2886.87 ft at 6:15PM Jan 24, 2021Observed: 2886.86 ft at 6:30PM Jan 24, 2021Observed: 2886.87 ft at 6:45PM Jan 24, 2021Observed: 2886.86 ft at 7:00PM Jan 24, 2021Observed: 2886.87 ft at 7:15PM Jan 24, 2021Observed: 2886.87 ft at 7:30PM Jan 24, 2021Observed: 2886.87 ft at 7:45PM Jan 24, 2021Observed: 2886.87 ft at 8:00PM Jan 24, 2021Observed: 2886.86 ft at 8:15PM Jan 24, 2021Observed: 2886.86 ft at 8:30PM Jan 24, 2021Observed: 2886.87 ft at 8:45PM Jan 24, 2021Observed: 2886.87 ft at 9:00PM Jan 24, 2021Observed: 2886.87 ft at 9:15PM Jan 24, 2021Observed: 2886.85 ft at 9:30PM Jan 24, 2021Observed: 2886.86 ft at 9:45PM Jan 24, 2021Observed: 2886.86 ft at 10:00PM Jan 24, 2021Observed: 2886.85 ft at 10:15PM Jan 24, 2021Observed: 2886.86 ft at 10:30PM Jan 24, 2021Observed: 2886.85 ft at 10:45PM Jan 24, 2021Observed: 2886.86 ft at 11:00PM Jan 24, 2021Observed: 2886.85 ft at 11:15PM Jan 24, 2021Observed: 2886.85 ft at 11:30PM Jan 24, 2021Observed: 2886.85 ft at 11:45PM Jan 24, 2021Observed: 2886.85 ft at 12:00AM Jan 25, 2021Observed: 2886.86 ft at 12:15AM Jan 25, 2021Observed: 2886.86 ft at 12:30AM Jan 25, 2021Observed: 2886.85 ft at 12:45AM Jan 25, 2021Observed: 2886.84 ft at 1:00AM Jan 25, 2021Observed: 2886.84 ft at 1:15AM Jan 25, 2021Observed: 2886.84 ft at 1:30AM Jan 25, 2021Observed: 2886.83 ft at 1:45AM Jan 25, 2021Observed: 2886.85 ft at 2:00AM Jan 25, 2021Observed: 2886.84 ft at 2:15AM Jan 25, 2021Observed: 2886.85 ft at 2:30AM Jan 25, 2021Observed: 2886.86 ft at 2:45AM Jan 25, 2021Observed: 2886.86 ft at 3:00AM Jan 25, 2021Observed: 2886.85 ft at 3:15AM Jan 25, 2021Observed: 2886.85 ft at 3:30AM Jan 25, 2021Observed: 2886.84 ft at 3:45AM Jan 25, 2021Observed: 2886.83 ft at 4:00AM Jan 25, 2021Observed: 2886.82 ft at 4:15AM Jan 25, 2021Observed: 2886.83 ft at 4:30AM Jan 25, 2021Observed: 2886.84 ft at 4:45AM Jan 25, 2021Observed: 2886.84 ft at 5:00AM Jan 25, 2021Observed: 2886.83 ft at 5:15AM Jan 25, 2021Observed: 2886.83 ft at 5:30AM Jan 25, 2021Observed: 2886.84 ft at 5:45AM Jan 25, 2021Observed: 2886.84 ft at 6:00AM Jan 25, 2021Observed: 2886.83 ft at 6:15AM Jan 25, 2021Observed: 2886.84 ft at 6:30AM Jan 25, 2021Observed: 2886.83 ft at 6:45AM Jan 25, 2021Observed: 2886.85 ft at 7:00AM Jan 25, 2021Observed: 2886.85 ft at 7:15AM Jan 25, 2021Observed: 2886.84 ft at 7:30AM Jan 25, 2021Observed: 2886.84 ft at 7:45AM Jan 25, 2021Observed: 2886.83 ft at 8:00AM Jan 25, 2021Observed: 2886.85 ft at 8:15AM Jan 25, 2021Observed: 2886.84 ft at 8:30AM Jan 25, 2021Observed: 2886.85 ft at 8:45AM Jan 25, 2021Observed: 2886.85 ft at 9:00AM Jan 25, 2021Observed: 2886.84 ft at 9:15AM Jan 25, 2021Observed: 2886.84 ft at 9:30AM Jan 25, 2021Observed: 2886.83 ft at 9:45AM Jan 25, 2021Observed: 2886.83 ft at 10:00AM Jan 25, 2021Observed: 2886.84 ft at 10:15AM Jan 25, 2021Observed: 2886.84 ft at 10:30AM Jan 25, 2021Observed: 2886.85 ft at 10:45AM Jan 25, 2021Observed: 2886.84 ft at 11:00AM Jan 25, 2021Observed: 2886.84 ft at 11:15AM Jan 25, 2021Observed: 2886.84 ft at 11:30AM Jan 25, 2021Observed: 2886.83 ft at 11:45AM Jan 25, 2021Observed: 2886.84 ft at 12:00PM Jan 25, 2021Observed: 2886.82 ft at 12:15PM Jan 25, 2021Observed: 2886.82 ft at 12:30PM Jan 25, 2021Observed: 2886.83 ft at 12:45PM Jan 25, 2021Observed: 2886.82 ft at 1:00PM Jan 25, 2021Observed: 2886.84 ft at 1:15PM Jan 25, 2021Observed: 2886.82 ft at 1:30PM Jan 25, 2021Observed: 2886.83 ft at 1:45PM Jan 25, 2021Observed: 2886.82 ft at 2:00PM Jan 25, 2021Observed: 2886.8 ft at 2:15PM Jan 25, 2021Observed: 2886.82 ft at 2:30PM Jan 25, 2021Observed: 2886.81 ft at 2:45PM Jan 25, 2021Observed: 2886.82 ft at 3:00PM Jan 25, 2021Observed: 2886.83 ft at 3:15PM Jan 25, 2021Observed: 2886.82 ft at 3:30PM Jan 25, 2021Observed: 2886.83 ft at 3:45PM Jan 25, 2021Observed: 2886.81 ft at 4:00PM Jan 25, 2021Observed: 2886.82 ft at 4:15PM Jan 25, 2021Observed: 2886.82 ft at 4:30PM Jan 25, 2021Observed: 2886.8 ft at 4:45PM Jan 25, 2021Observed: 2886.81 ft at 5:00PM Jan 25, 2021Observed: 2886.8 ft at 5:15PM Jan 25, 2021Observed: 2886.82 ft at 5:30PM Jan 25, 2021Observed: 2886.81 ft at 5:45PM Jan 25, 2021Observed: 2886.81 ft at 6:00PM Jan 25, 2021Observed: 2886.81 ft at 6:15PM Jan 25, 2021Observed: 2886.79 ft at 6:30PM Jan 25, 2021Observed: 2886.81 ft at 6:45PM Jan 25, 2021Observed: 2886.79 ft at 7:00PM Jan 25, 2021Observed: 2886.8 ft at 7:15PM Jan 25, 2021Observed: 2886.79 ft at 7:30PM Jan 25, 2021Observed: 2886.8 ft at 7:45PM Jan 25, 2021Observed: 2886.8 ft at 8:00PM Jan 25, 2021Observed: 2886.8 ft at 8:15PM Jan 25, 2021Observed: 2886.81 ft at 8:30PM Jan 25, 2021Observed: 2886.8 ft at 8:45PM Jan 25, 2021Observed: 2886.81 ft at 9:00PM Jan 25, 2021Observed: 2886.81 ft at 9:15PM Jan 25, 2021Observed: 2886.8 ft at 9:30PM Jan 25, 2021Observed: 2886.81 ft at 9:45PM Jan 25, 2021Observed: 2886.8 ft at 10:00PM Jan 25, 2021Observed: 2886.81 ft at 10:15PM Jan 25, 2021Observed: 2886.81 ft at 10:30PM Jan 25, 2021Observed: 2886.8 ft at 10:45PM Jan 25, 2021Observed: 2886.82 ft at 11:00PM Jan 25, 2021Observed: 2886.8 ft at 11:15PM Jan 25, 2021Observed: 2886.81 ft at 11:30PM Jan 25, 2021Observed: 2886.81 ft at 11:45PM Jan 25, 2021Observed: 2886.81 ft at 12:00AM Jan 26, 2021Observed: 2886.81 ft at 12:15AM Jan 26, 2021Observed: 2886.81 ft at 12:30AM Jan 26, 2021Observed: 2886.82 ft at 12:45AM Jan 26, 2021Observed: 2886.82 ft at 1:00AM Jan 26, 2021Observed: 2886.81 ft at 1:15AM Jan 26, 2021Observed: 2886.81 ft at 1:30AM Jan 26, 2021Observed: 2886.81 ft at 1:45AM Jan 26, 2021Observed: 2886.81 ft at 2:00AM Jan 26, 2021Observed: 2886.82 ft at 2:15AM Jan 26, 2021Observed: 2886.83 ft at 2:30AM Jan 26, 2021Observed: 2886.84 ft at 2:45AM Jan 26, 2021Observed: 2886.84 ft at 3:00AM Jan 26, 2021Observed: 2886.84 ft at 3:15AM Jan 26, 2021Observed: 2886.84 ft at 3:30AM Jan 26, 2021Observed: 2886.82 ft at 3:45AM Jan 26, 2021Observed: 2886.83 ft at 4:00AM Jan 26, 2021Observed: 2886.81 ft at 4:15AM Jan 26, 2021Observed: 2886.81 ft at 4:30AM Jan 26, 2021Observed: 2886.82 ft at 4:45AM Jan 26, 2021Observed: 2886.82 ft at 5:00AM Jan 26, 2021Observed: 2886.82 ft at 5:15AM Jan 26, 2021Observed: 2886.82 ft at 5:30AM Jan 26, 2021Observed: 2886.82 ft at 5:45AM Jan 26, 2021Observed: 2886.82 ft at 6:00AM Jan 26, 2021Observed: 2886.81 ft at 6:15AM Jan 26, 2021Observed: 2886.82 ft at 6:30AM Jan 26, 2021Observed: 2886.82 ft at 6:45AM Jan 26, 2021Observed: 2886.82 ft at 7:00AM Jan 26, 2021Observed: 2886.82 ft at 7:15AM Jan 26, 2021Observed: 2886.81 ft at 7:30AM Jan 26, 2021Observed: 2886.8 ft at 7:45AM Jan 26, 2021Observed: 2886.81 ft at 8:00AM Jan 26, 2021Observed: 2886.82 ft at 8:15AM Jan 26, 2021Observed: 2886.81 ft at 8:30AM Jan 26, 2021Observed: 2886.83 ft at 8:45AM Jan 26, 2021Observed: 2886.83 ft at 9:00AM Jan 26, 2021Observed: 2886.82 ft at 9:15AM Jan 26, 2021Observed: 2886.83 ft at 9:30AM Jan 26, 2021Observed: 2886.8 ft at 9:45AM Jan 26, 2021Observed: 2886.82 ft at 10:00AM Jan 26, 2021Observed: 2886.82 ft at 10:15AM Jan 26, 2021Observed: 2886.81 ft at 10:30AM Jan 26, 2021Observed: 2886.81 ft at 10:45AM Jan 26, 2021Observed: 2886.81 ft at 11:00AM Jan 26, 2021Observed: 2886.83 ft at 11:15AM Jan 26, 2021Observed: 2886.82 ft at 11:30AM Jan 26, 2021Observed: 2886.8 ft at 11:45AM Jan 26, 2021Observed: 2886.81 ft at 12:00PM Jan 26, 2021Observed: 2886.8 ft at 12:15PM Jan 26, 2021Observed: 2886.8 ft at 12:30PM Jan 26, 2021Observed: 2886.8 ft at 12:45PM Jan 26, 2021Observed: 2886.8 ft at 1:00PM Jan 26, 2021Observed: 2886.81 ft at 1:15PM Jan 26, 2021Observed: 2886.8 ft at 1:30PM Jan 26, 2021Observed: 2886.81 ft at 1:45PM Jan 26, 2021Observed: 2886.8 ft at 2:00PM Jan 26, 2021Observed: 2886.8 ft at 2:15PM Jan 26, 2021Observed: 2886.8 ft at 2:30PM Jan 26, 2021Observed: 2886.79 ft at 2:45PM Jan 26, 2021Observed: 2886.8 ft at 3:00PM Jan 26, 2021Observed: 2886.79 ft at 3:15PM Jan 26, 2021Observed: 2886.8 ft at 3:30PM Jan 26, 2021Observed: 2886.8 ft at 3:45PM Jan 26, 2021Observed: 2886.8 ft at 4:00PM Jan 26, 2021Observed: 2886.8 ft at 4:15PM Jan 26, 2021Observed: 2886.79 ft at 4:30PM Jan 26, 2021Observed: 2886.78 ft at 4:45PM Jan 26, 2021Observed: 2886.78 ft at 5:00PM Jan 26, 2021Observed: 2886.77 ft at 5:15PM Jan 26, 2021Observed: 2886.79 ft at 5:30PM Jan 26, 2021Observed: 2886.79 ft at 5:45PM Jan 26, 2021Observed: 2886.79 ft at 6:00PM Jan 26, 2021Observed: 2886.79 ft at 6:15PM Jan 26, 2021Observed: 2886.79 ft at 6:30PM Jan 26, 2021Observed: 2886.81 ft at 6:45PM Jan 26, 2021Observed: 2886.79 ft at 7:00PM Jan 26, 2021Observed: 2886.78 ft at 7:15PM Jan 26, 2021Observed: 2886.78 ft at 7:30PM Jan 26, 2021Observed: 2886.77 ft at 7:45PM Jan 26, 2021Observed: 2886.8 ft at 8:00PM Jan 26, 2021Observed: 2886.78 ft at 8:15PM Jan 26, 2021Observed: 2886.79 ft at 8:30PM Jan 26, 2021Observed: 2886.78 ft at 8:45PM Jan 26, 2021Observed: 2886.8 ft at 9:00PM Jan 26, 2021Observed: 2886.79 ft at 9:15PM Jan 26, 2021Observed: 2886.78 ft at 9:30PM Jan 26, 2021Highest Forecast: 2886.76 ft 11:00PM Jan 26, 2021Highest Forecast: 2886.76 ft 5:00AM Jan 27, 2021Forecast: 2886.75 ft 11:00AM Jan 27, 2021Forecast: 2886.75 ft 5:00PM Jan 27, 2021Forecast: 2886.75 ft 11:00PM Jan 27, 2021Forecast: 2886.74 ft 5:00AM Jan 28, 2021Forecast: 2886.74 ft 11:00AM Jan 28, 2021Forecast: 2886.73 ft 5:00PM Jan 28, 2021Forecast: 2886.73 ft 11:00PM Jan 28, 2021Forecast: 2886.72 ft 5:00AM Jan 29, 2021Forecast: 2886.72 ft 11:00AM Jan 29, 2021Forecast: 2886.71 ft 5:00PM Jan 29, 2021Forecast: 2886.7 ft 11:00PM Jan 29, 2021Forecast: 2886.69 ft 5:00AM Jan 30, 2021Forecast: 2886.68 ft 11:00AM Jan 30, 2021Forecast: 2886.67 ft 5:00PM Jan 30, 2021Forecast: 2886.66 ft 11:00PM Jan 30, 2021Forecast: 2886.65 ft 5:00AM Jan 31, 2021Forecast: 2886.64 ft 11:00AM Jan 31, 2021Forecast: 2886.62 ft 5:00PM Jan 31, 2021Forecast: 2886.61 ft 11:00PM Jan 31, 2021Forecast: 2886.6 ft 5:00AM Feb 01, 2021Forecast: 2886.59 ft 11:00AM Feb 01, 2021Forecast: 2886.57 ft 5:00PM Feb 01, 2021Forecast: 2886.56 ft 11:00PM Feb 01, 2021Forecast: 2886.55 ft 5:00AM Feb 02, 2021Forecast: 2886.54 ft 11:00AM Feb 02, 2021Forecast: 2886.52 ft 5:00PM Feb 02, 2021USGS--Water Resources of the United StatesKERM8(plotting HPIRG) Graph Created (10:15PM Jan 26, 2021)ObservedForecast (issued 3:41PM Jan 26)Latest observed value: 2886.78 ft at 9:30 PM MST 26-Jan-2021.
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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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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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