Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
Hydrograph River at a Glance Download
Flathead Lake at Polson Pool (ft)Observed: 2891.77 ft at 3:30PM Sep 24, 2020Observed: 2891.8 ft at 3:45PM Sep 24, 2020Observed: 2891.83 ft at 4:00PM Sep 24, 2020Observed: 2891.83 ft at 4:15PM Sep 24, 2020Observed: 2891.81 ft at 4:30PM Sep 24, 2020Observed: 2891.84 ft at 4:45PM Sep 24, 2020Observed: 2891.82 ft at 5:00PM Sep 24, 2020Observed: 2891.84 ft at 5:15PM Sep 24, 2020Observed: 2891.84 ft at 5:30PM Sep 24, 2020Observed: 2891.86 ft at 5:45PM Sep 24, 2020Observed: 2891.82 ft at 6:00PM Sep 24, 2020Observed: 2891.83 ft at 6:15PM Sep 24, 2020Observed: 2891.84 ft at 6:30PM Sep 24, 2020Observed: 2891.82 ft at 6:45PM Sep 24, 2020Observed: 2891.82 ft at 7:00PM Sep 24, 2020Observed: 2891.81 ft at 7:15PM Sep 24, 2020Observed: 2891.82 ft at 7:30PM Sep 24, 2020Observed: 2891.81 ft at 7:45PM Sep 24, 2020Observed: 2891.83 ft at 8:00PM Sep 24, 2020Observed: 2891.83 ft at 8:15PM Sep 24, 2020Observed: 2891.89 ft at 8:30PM Sep 24, 2020Observed: 2891.8 ft at 8:45PM Sep 24, 2020Observed: 2891.9 ft at 9:00PM Sep 24, 2020Observed: 2891.84 ft at 9:15PM Sep 24, 2020Observed: 2891.83 ft at 9:30PM Sep 24, 2020Observed: 2891.82 ft at 9:45PM Sep 24, 2020Observed: 2891.87 ft at 10:00PM Sep 24, 2020Observed: 2891.84 ft at 10:15PM Sep 24, 2020Observed: 2891.87 ft at 10:30PM Sep 24, 2020Observed: 2891.86 ft at 10:45PM Sep 24, 2020Observed: 2891.89 ft at 11:00PM Sep 24, 2020Observed: 2891.84 ft at 11:15PM Sep 24, 2020Observed: 2891.87 ft at 11:30PM Sep 24, 2020Observed: 2891.83 ft at 11:45PM Sep 24, 2020Observed: 2891.83 ft at 12:00AM Sep 25, 2020Observed: 2891.86 ft at 12:15AM Sep 25, 2020Observed: 2891.9 ft at 12:30AM Sep 25, 2020Observed: 2891.87 ft at 12:45AM Sep 25, 2020Observed: 2891.85 ft at 1:00AM Sep 25, 2020Observed: 2891.86 ft at 1:15AM Sep 25, 2020Observed: 2891.86 ft at 1:30AM Sep 25, 2020Observed: 2891.83 ft at 1:45AM Sep 25, 2020Observed: 2891.84 ft at 2:00AM Sep 25, 2020Observed: 2891.85 ft at 2:15AM Sep 25, 2020Observed: 2891.84 ft at 2:30AM Sep 25, 2020Observed: 2891.84 ft at 2:45AM Sep 25, 2020Observed: 2891.85 ft at 3:00AM Sep 25, 2020Observed: 2891.83 ft at 3:15AM Sep 25, 2020Observed: 2891.85 ft at 3:30AM Sep 25, 2020Observed: 2891.85 ft at 3:45AM Sep 25, 2020Observed: 2891.85 ft at 4:00AM Sep 25, 2020Observed: 2891.83 ft at 4:15AM Sep 25, 2020Observed: 2891.85 ft at 4:30AM Sep 25, 2020Observed: 2891.86 ft at 4:45AM Sep 25, 2020Observed: 2891.84 ft at 5:00AM Sep 25, 2020Observed: 2891.85 ft at 5:15AM Sep 25, 2020Observed: 2891.84 ft at 5:30AM Sep 25, 2020Observed: 2891.85 ft at 5:45AM Sep 25, 2020Observed: 2891.84 ft at 6:00AM Sep 25, 2020Observed: 2891.84 ft at 6:15AM Sep 25, 2020Observed: 2891.84 ft at 6:30AM Sep 25, 2020Observed: 2891.84 ft at 6:45AM Sep 25, 2020Observed: 2891.83 ft at 7:00AM Sep 25, 2020Observed: 2891.83 ft at 7:15AM Sep 25, 2020Observed: 2891.81 ft at 7:30AM Sep 25, 2020Observed: 2891.85 ft at 7:45AM Sep 25, 2020Observed: 2891.84 ft at 8:00AM Sep 25, 2020Observed: 2891.84 ft at 8:15AM Sep 25, 2020Observed: 2891.83 ft at 8:30AM Sep 25, 2020Observed: 2891.84 ft at 8:45AM Sep 25, 2020Observed: 2891.82 ft at 9:00AM Sep 25, 2020Observed: 2891.84 ft at 9:15AM Sep 25, 2020Observed: 2891.84 ft at 9:30AM Sep 25, 2020Observed: 2891.84 ft at 9:45AM Sep 25, 2020Observed: 2891.84 ft at 10:00AM Sep 25, 2020Observed: 2891.85 ft at 10:15AM Sep 25, 2020Observed: 2891.82 ft at 10:30AM Sep 25, 2020Observed: 2891.84 ft at 10:45AM Sep 25, 2020Observed: 2891.84 ft at 11:00AM Sep 25, 2020Observed: 2891.85 ft at 11:15AM Sep 25, 2020Observed: 2891.84 ft at 11:30AM Sep 25, 2020Observed: 2891.84 ft at 11:45AM Sep 25, 2020Observed: 2891.83 ft at 12:00PM Sep 25, 2020Observed: 2891.81 ft at 12:15PM Sep 25, 2020Observed: 2891.82 ft at 12:30PM Sep 25, 2020Observed: 2891.84 ft at 12:45PM Sep 25, 2020Observed: 2891.83 ft at 1:00PM Sep 25, 2020Observed: 2891.87 ft at 1:15PM Sep 25, 2020Observed: 2891.84 ft at 1:30PM Sep 25, 2020Observed: 2891.86 ft at 1:45PM Sep 25, 2020Observed: 2891.82 ft at 2:00PM Sep 25, 2020Observed: 2891.8 ft at 2:15PM Sep 25, 2020Observed: 2891.75 ft at 2:30PM Sep 25, 2020Observed: 2891.77 ft at 2:45PM Sep 25, 2020Observed: 2891.77 ft at 3:00PM Sep 25, 2020Observed: 2891.82 ft at 3:15PM Sep 25, 2020Observed: 2891.84 ft at 3:30PM Sep 25, 2020Observed: 2891.84 ft at 3:45PM Sep 25, 2020Observed: 2891.86 ft at 4:00PM Sep 25, 2020Observed: 2891.8 ft at 4:15PM Sep 25, 2020Observed: 2891.81 ft at 4:30PM Sep 25, 2020Observed: 2891.8 ft at 4:45PM Sep 25, 2020Observed: 2891.81 ft at 5:00PM Sep 25, 2020Observed: 2891.8 ft at 5:15PM Sep 25, 2020Observed: 2891.82 ft at 5:30PM Sep 25, 2020Observed: 2891.83 ft at 5:45PM Sep 25, 2020Observed: 2891.79 ft at 6:00PM Sep 25, 2020Observed: 2891.78 ft at 6:15PM Sep 25, 2020Observed: 2891.79 ft at 6:30PM Sep 25, 2020Observed: 2891.76 ft at 6:45PM Sep 25, 2020Observed: 2891.8 ft at 7:00PM Sep 25, 2020Observed: 2891.8 ft at 7:15PM Sep 25, 2020Observed: 2891.79 ft at 7:30PM Sep 25, 2020Observed: 2891.76 ft at 7:45PM Sep 25, 2020Observed: 2891.73 ft at 8:00PM Sep 25, 2020Observed: 2891.74 ft at 8:15PM Sep 25, 2020Observed: 2891.74 ft at 8:30PM Sep 25, 2020Observed: 2891.82 ft at 8:45PM Sep 25, 2020Observed: 2891.81 ft at 9:00PM Sep 25, 2020Observed: 2891.84 ft at 9:15PM Sep 25, 2020Observed: 2891.84 ft at 9:30PM Sep 25, 2020Observed: 2891.78 ft at 9:45PM Sep 25, 2020Observed: 2891.76 ft at 10:00PM Sep 25, 2020Observed: 2891.71 ft at 10:15PM Sep 25, 2020Observed: 2891.76 ft at 10:30PM Sep 25, 2020Observed: 2891.77 ft at 10:45PM Sep 25, 2020Observed: 2891.79 ft at 11:00PM Sep 25, 2020Observed: 2891.8 ft at 11:15PM Sep 25, 2020Observed: 2891.77 ft at 11:30PM Sep 25, 2020Observed: 2891.81 ft at 11:45PM Sep 25, 2020Observed: 2891.85 ft at 12:00AM Sep 26, 2020Observed: 2891.83 ft at 12:15AM Sep 26, 2020Observed: 2891.86 ft at 12:30AM Sep 26, 2020Observed: 2891.86 ft at 12:45AM Sep 26, 2020Observed: 2891.88 ft at 1:00AM Sep 26, 2020Observed: 2891.76 ft at 1:15AM Sep 26, 2020Observed: 2891.83 ft at 1:30AM Sep 26, 2020Observed: 2891.8 ft at 1:45AM Sep 26, 2020Observed: 2891.81 ft at 2:00AM Sep 26, 2020Observed: 2891.86 ft at 2:15AM Sep 26, 2020Observed: 2891.85 ft at 2:30AM Sep 26, 2020Observed: 2891.82 ft at 2:45AM Sep 26, 2020Observed: 2891.85 ft at 3:00AM Sep 26, 2020Observed: 2891.86 ft at 3:15AM Sep 26, 2020Observed: 2891.86 ft at 3:30AM Sep 26, 2020Observed: 2891.81 ft at 3:45AM Sep 26, 2020Observed: 2891.9 ft at 4:00AM Sep 26, 2020Observed: 2891.83 ft at 4:15AM Sep 26, 2020Observed: 2891.86 ft at 4:30AM Sep 26, 2020Observed: 2891.79 ft at 4:45AM Sep 26, 2020Observed: 2891.82 ft at 5:00AM Sep 26, 2020Observed: 2891.78 ft at 5:15AM Sep 26, 2020Observed: 2891.82 ft at 5:30AM Sep 26, 2020Observed: 2891.85 ft at 5:45AM Sep 26, 2020Observed: 2891.79 ft at 6:00AM Sep 26, 2020Observed: 2891.86 ft at 6:15AM Sep 26, 2020Observed: 2891.83 ft at 6:30AM Sep 26, 2020Observed: 2891.81 ft at 6:45AM Sep 26, 2020Observed: 2891.8 ft at 7:00AM Sep 26, 2020Observed: 2891.81 ft at 7:15AM Sep 26, 2020Observed: 2891.82 ft at 7:30AM Sep 26, 2020Observed: 2891.79 ft at 7:45AM Sep 26, 2020Observed: 2891.8 ft at 8:00AM Sep 26, 2020Observed: 2891.81 ft at 8:15AM Sep 26, 2020Observed: 2891.81 ft at 8:30AM Sep 26, 2020Observed: 2891.82 ft at 8:45AM Sep 26, 2020Observed: 2891.75 ft at 9:00AM Sep 26, 2020Observed: 2891.82 ft at 9:15AM Sep 26, 2020Observed: 2891.79 ft at 9:30AM Sep 26, 2020Observed: 2891.82 ft at 9:45AM Sep 26, 2020Observed: 2891.79 ft at 10:00AM Sep 26, 2020Observed: 2891.81 ft at 10:15AM Sep 26, 2020Observed: 2891.78 ft at 10:30AM Sep 26, 2020Observed: 2891.77 ft at 10:45AM Sep 26, 2020Observed: 2891.8 ft at 11:00AM Sep 26, 2020Observed: 2891.75 ft at 11:15AM Sep 26, 2020Observed: 2891.77 ft at 11:30AM Sep 26, 2020Observed: 2891.8 ft at 11:45AM Sep 26, 2020Observed: 2891.79 ft at 12:00PM Sep 26, 2020Observed: 2891.82 ft at 12:15PM Sep 26, 2020Observed: 2891.78 ft at 12:30PM Sep 26, 2020Observed: 2891.81 ft at 12:45PM Sep 26, 2020Observed: 2891.78 ft at 1:00PM Sep 26, 2020Observed: 2891.79 ft at 1:15PM Sep 26, 2020Observed: 2891.79 ft at 1:30PM Sep 26, 2020Observed: 2891.77 ft at 1:45PM Sep 26, 2020Observed: 2891.78 ft at 2:00PM Sep 26, 2020Observed: 2891.76 ft at 2:15PM Sep 26, 2020Observed: 2891.78 ft at 2:30PM Sep 26, 2020Observed: 2891.78 ft at 2:45PM Sep 26, 2020Observed: 2891.81 ft at 3:00PM Sep 26, 2020Observed: 2891.78 ft at 3:15PM Sep 26, 2020Observed: 2891.77 ft at 3:30PM Sep 26, 2020Observed: 2891.76 ft at 3:45PM Sep 26, 2020Observed: 2891.78 ft at 4:00PM Sep 26, 2020Observed: 2891.78 ft at 4:15PM Sep 26, 2020Observed: 2891.8 ft at 4:30PM Sep 26, 2020Observed: 2891.79 ft at 4:45PM Sep 26, 2020Observed: 2891.85 ft at 5:00PM Sep 26, 2020Observed: 2891.84 ft at 5:15PM Sep 26, 2020Observed: 2891.82 ft at 5:30PM Sep 26, 2020Observed: 2891.73 ft at 5:45PM Sep 26, 2020Observed: 2891.74 ft at 6:00PM Sep 26, 2020Observed: 2891.76 ft at 6:15PM Sep 26, 2020Observed: 2891.82 ft at 6:30PM Sep 26, 2020Observed: 2891.85 ft at 6:45PM Sep 26, 2020Observed: 2891.86 ft at 7:00PM Sep 26, 2020Observed: 2891.86 ft at 7:15PM Sep 26, 2020Observed: 2891.83 ft at 7:30PM Sep 26, 2020Observed: 2891.83 ft at 7:45PM Sep 26, 2020Observed: 2891.79 ft at 8:00PM Sep 26, 2020Observed: 2891.8 ft at 8:15PM Sep 26, 2020Observed: 2891.82 ft at 8:30PM Sep 26, 2020Observed: 2891.86 ft at 8:45PM Sep 26, 2020Observed: 2891.88 ft at 9:00PM Sep 26, 2020Observed: 2891.88 ft at 9:15PM Sep 26, 2020Observed: 2891.91 ft at 9:30PM Sep 26, 2020Observed: 2891.85 ft at 9:45PM Sep 26, 2020Observed: 2891.85 ft at 10:00PM Sep 26, 2020Observed: 2891.85 ft at 10:15PM Sep 26, 2020Observed: 2891.88 ft at 10:30PM Sep 26, 2020Highest Observation: 2891.93 ft at 10:45PM Sep 26, 2020Observed: 2891.89 ft at 11:00PM Sep 26, 2020Observed: 2891.9 ft at 11:15PM Sep 26, 2020Observed: 2891.84 ft at 11:30PM Sep 26, 2020Observed: 2891.85 ft at 11:45PM Sep 26, 2020Observed: 2891.85 ft at 12:00AM Sep 27, 2020Observed: 2891.84 ft at 12:15AM Sep 27, 2020Observed: 2891.88 ft at 12:30AM Sep 27, 2020Observed: 2891.87 ft at 12:45AM Sep 27, 2020Observed: 2891.89 ft at 1:00AM Sep 27, 2020Observed: 2891.9 ft at 1:15AM Sep 27, 2020Observed: 2891.83 ft at 1:30AM Sep 27, 2020Observed: 2891.85 ft at 1:45AM Sep 27, 2020Observed: 2891.82 ft at 2:00AM Sep 27, 2020Observed: 2891.88 ft at 2:15AM Sep 27, 2020Observed: 2891.83 ft at 2:30AM Sep 27, 2020Observed: 2891.89 ft at 2:45AM Sep 27, 2020Observed: 2891.89 ft at 3:00AM Sep 27, 2020Observed: 2891.86 ft at 3:15AM Sep 27, 2020Observed: 2891.88 ft at 3:30AM Sep 27, 2020Observed: 2891.83 ft at 3:45AM Sep 27, 2020Observed: 2891.81 ft at 4:00AM Sep 27, 2020Observed: 2891.83 ft at 4:15AM Sep 27, 2020Observed: 2891.87 ft at 4:30AM Sep 27, 2020Observed: 2891.88 ft at 4:45AM Sep 27, 2020Observed: 2891.84 ft at 5:00AM Sep 27, 2020Observed: 2891.9 ft at 5:15AM Sep 27, 2020Observed: 2891.84 ft at 5:30AM Sep 27, 2020Observed: 2891.85 ft at 5:45AM Sep 27, 2020Observed: 2891.86 ft at 6:00AM Sep 27, 2020Observed: 2891.84 ft at 6:15AM Sep 27, 2020Observed: 2891.85 ft at 6:30AM Sep 27, 2020Observed: 2891.86 ft at 6:45AM Sep 27, 2020Observed: 2891.88 ft at 7:00AM Sep 27, 2020Observed: 2891.86 ft at 7:15AM Sep 27, 2020Observed: 2891.88 ft at 7:30AM Sep 27, 2020Observed: 2891.87 ft at 7:45AM Sep 27, 2020Observed: 2891.83 ft at 8:00AM Sep 27, 2020Observed: 2891.87 ft at 8:15AM Sep 27, 2020Observed: 2891.87 ft at 8:30AM Sep 27, 2020Observed: 2891.86 ft at 8:45AM Sep 27, 2020Observed: 2891.85 ft at 9:00AM Sep 27, 2020Observed: 2891.88 ft at 9:15AM Sep 27, 2020Observed: 2891.88 ft at 9:30AM Sep 27, 2020Observed: 2891.85 ft at 9:45AM Sep 27, 2020Observed: 2891.9 ft at 10:00AM Sep 27, 2020Observed: 2891.86 ft at 10:15AM Sep 27, 2020Observed: 2891.85 ft at 10:30AM Sep 27, 2020Observed: 2891.87 ft at 10:45AM Sep 27, 2020Observed: 2891.89 ft at 11:00AM Sep 27, 2020Observed: 2891.86 ft at 11:15AM Sep 27, 2020Observed: 2891.88 ft at 11:30AM Sep 27, 2020Observed: 2891.9 ft at 11:45AM Sep 27, 2020Observed: 2891.86 ft at 12:00PM Sep 27, 2020Observed: 2891.86 ft at 12:15PM Sep 27, 2020Observed: 2891.88 ft at 12:30PM Sep 27, 2020Observed: 2891.87 ft at 12:45PM Sep 27, 2020Observed: 2891.88 ft at 1:00PM Sep 27, 2020Observed: 2891.87 ft at 1:15PM Sep 27, 2020Observed: 2891.88 ft at 1:30PM Sep 27, 2020Observed: 2891.86 ft at 1:45PM Sep 27, 2020Observed: 2891.88 ft at 2:00PM Sep 27, 2020Observed: 2891.85 ft at 2:15PM Sep 27, 2020Observed: 2891.85 ft at 2:30PM Sep 27, 2020Highest Forecast: 2891.88 ft 6:00PM Sep 27, 2020Highest Forecast: 2891.88 ft 12:00AM Sep 28, 2020Highest Forecast: 2891.88 ft 6:00AM Sep 28, 2020Highest Forecast: 2891.88 ft 12:00PM Sep 28, 2020Forecast: 2891.87 ft 6:00PM Sep 28, 2020Forecast: 2891.87 ft 12:00AM Sep 29, 2020Forecast: 2891.87 ft 6:00AM Sep 29, 2020Forecast: 2891.87 ft 12:00PM Sep 29, 2020Forecast: 2891.87 ft 6:00PM Sep 29, 2020Forecast: 2891.86 ft 12:00AM Sep 30, 2020Forecast: 2891.86 ft 6:00AM Sep 30, 2020Forecast: 2891.86 ft 12:00PM Sep 30, 2020Forecast: 2891.86 ft 6:00PM Sep 30, 2020Forecast: 2891.85 ft 12:00AM Oct 01, 2020Forecast: 2891.85 ft 6:00AM Oct 01, 2020Forecast: 2891.85 ft 12:00PM Oct 01, 2020Forecast: 2891.85 ft 6:00PM Oct 01, 2020Forecast: 2891.84 ft 12:00AM Oct 02, 2020Forecast: 2891.84 ft 6:00AM Oct 02, 2020Forecast: 2891.84 ft 12:00PM Oct 02, 2020Forecast: 2891.84 ft 6:00PM Oct 02, 2020Forecast: 2891.84 ft 12:00AM Oct 03, 2020Forecast: 2891.83 ft 6:00AM Oct 03, 2020Forecast: 2891.83 ft 12:00PM Oct 03, 2020Forecast: 2891.83 ft 6:00PM Oct 03, 2020Forecast: 2891.82 ft 12:00AM Oct 04, 2020Forecast: 2891.82 ft 6:00AM Oct 04, 2020Forecast: 2891.82 ft 12:00PM Oct 04, 2020USGS--Water Resources of the United StatesKERM8(plotting HPIRG) Graph Created (3:15PM Sep 27, 2020)ObservedForecast (issued 10:36AM Sep 27)Latest observed value: 2891.85 ft at 2:30 PM MDT 27-Sep-2020.
Printable Image
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.
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:
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
Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808
(406) 329-4840
Ask Questions/Webmaster
Page last modified: 1-Mar-2019 12:33 AM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities