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Hydrograph River at a Glance Download
Clark Fork River at St. Regis Stage (ft)Flow (cfs)Observed: 11.47 ft at 9:15PM May 19, 2022Observed: 11.41 ft at 9:30PM May 19, 2022Observed: 11.42 ft at 9:45PM May 19, 2022Observed: 11.42 ft at 10:00PM May 19, 2022Observed: 11.43 ft at 10:15PM May 19, 2022Observed: 11.42 ft at 10:30PM May 19, 2022Observed: 11.43 ft at 10:45PM May 19, 2022Observed: 11.41 ft at 11:00PM May 19, 2022Observed: 11.39 ft at 11:15PM May 19, 2022Observed: 11.43 ft at 11:30PM May 19, 2022Observed: 11.44 ft at 11:45PM May 19, 2022Observed: 11.42 ft at 12:00AM May 20, 2022Observed: 11.41 ft at 12:15AM May 20, 2022Observed: 11.39 ft at 12:30AM May 20, 2022Observed: 11.42 ft at 12:45AM May 20, 2022Observed: 11.45 ft at 1:00AM May 20, 2022Observed: 11.43 ft at 1:15AM May 20, 2022Observed: 11.41 ft at 1:30AM May 20, 2022Observed: 11.42 ft at 1:45AM May 20, 2022Observed: 11.44 ft at 2:00AM May 20, 2022Observed: 11.43 ft at 2:15AM May 20, 2022Observed: 11.44 ft at 2:30AM May 20, 2022Observed: 11.43 ft at 2:45AM May 20, 2022Observed: 11.45 ft at 3:00AM May 20, 2022Observed: 11.41 ft at 3:15AM May 20, 2022Observed: 11.47 ft at 3:30AM May 20, 2022Observed: 11.46 ft at 3:45AM May 20, 2022Observed: 11.47 ft at 4:00AM May 20, 2022Observed: 11.49 ft at 4:15AM May 20, 2022Observed: 11.44 ft at 4:30AM May 20, 2022Observed: 11.41 ft at 4:45AM May 20, 2022Observed: 11.48 ft at 5:00AM May 20, 2022Observed: 11.41 ft at 5:15AM May 20, 2022Observed: 11.5 ft at 5:30AM May 20, 2022Observed: 11.45 ft at 5:45AM May 20, 2022Observed: 11.46 ft at 6:00AM May 20, 2022Observed: 11.45 ft at 6:15AM May 20, 2022Observed: 11.49 ft at 6:30AM May 20, 2022Observed: 11.52 ft at 6:45AM May 20, 2022Observed: 11.44 ft at 7:00AM May 20, 2022Observed: 11.45 ft at 7:15AM May 20, 2022Observed: 11.47 ft at 7:30AM May 20, 2022Observed: 11.49 ft at 7:45AM May 20, 2022Observed: 11.48 ft at 8:00AM May 20, 2022Observed: 11.5 ft at 8:15AM May 20, 2022Observed: 11.46 ft at 8:30AM May 20, 2022Observed: 11.52 ft at 8:45AM May 20, 2022Observed: 11.5 ft at 9:00AM May 20, 2022Observed: 11.5 ft at 9:15AM May 20, 2022Observed: 11.51 ft at 9:30AM May 20, 2022Observed: 11.51 ft at 9:45AM May 20, 2022Observed: 11.58 ft at 10:00AM May 20, 2022Observed: 11.55 ft at 10:15AM May 20, 2022Observed: 11.52 ft at 10:30AM May 20, 2022Observed: 11.51 ft at 10:45AM May 20, 2022Observed: 11.53 ft at 11:00AM May 20, 2022Observed: 11.5 ft at 11:15AM May 20, 2022Observed: 11.54 ft at 11:30AM May 20, 2022Observed: 11.5 ft at 11:45AM May 20, 2022Observed: 11.58 ft at 12:00PM May 20, 2022Observed: 11.52 ft at 12:15PM May 20, 2022Observed: 11.56 ft at 12:30PM May 20, 2022Observed: 11.51 ft at 12:45PM May 20, 2022Observed: 11.54 ft at 1:00PM May 20, 2022Observed: 11.56 ft at 1:15PM May 20, 2022Observed: 11.52 ft at 1:30PM May 20, 2022Observed: 11.58 ft at 1:45PM May 20, 2022Observed: 11.54 ft at 2:00PM May 20, 2022Observed: 11.59 ft at 2:15PM May 20, 2022Highest Observation: 11.61 ft at 2:30PM May 20, 2022Observed: 11.57 ft at 2:45PM May 20, 2022Observed: 11.56 ft at 3:00PM May 20, 2022Observed: 11.53 ft at 3:15PM May 20, 2022Observed: 11.59 ft at 3:30PM May 20, 2022Observed: 11.55 ft at 3:45PM May 20, 2022Observed: 11.59 ft at 4:00PM May 20, 2022Observed: 11.55 ft at 4:15PM May 20, 2022Observed: 11.54 ft at 4:30PM May 20, 2022Observed: 11.52 ft at 4:45PM May 20, 2022Observed: 11.56 ft at 5:00PM May 20, 2022Observed: 11.56 ft at 5:15PM May 20, 2022Observed: 11.6 ft at 5:30PM May 20, 2022Observed: 11.6 ft at 5:45PM May 20, 2022Observed: 11.53 ft at 6:00PM May 20, 2022Observed: 11.58 ft at 6:15PM May 20, 2022Observed: 11.6 ft at 6:30PM May 20, 2022Observed: 11.53 ft at 6:45PM May 20, 2022Observed: 11.53 ft at 7:00PM May 20, 2022Observed: 11.53 ft at 7:15PM May 20, 2022Observed: 11.52 ft at 7:30PM May 20, 2022Observed: 11.5 ft at 7:45PM May 20, 2022Observed: 11.52 ft at 9:00PM May 20, 2022Observed: 11.55 ft at 9:15PM May 20, 2022Observed: 11.49 ft at 9:30PM May 20, 2022Observed: 11.5 ft at 9:45PM May 20, 2022Observed: 11.52 ft at 10:00PM May 20, 2022Observed: 11.5 ft at 10:15PM May 20, 2022Observed: 11.5 ft at 10:30PM May 20, 2022Observed: 11.56 ft at 10:45PM May 20, 2022Observed: 11.47 ft at 11:00PM May 20, 2022Observed: 11.54 ft at 11:15PM May 20, 2022Observed: 11.5 ft at 11:30PM May 20, 2022Observed: 11.51 ft at 11:45PM May 20, 2022Observed: 11.49 ft at 12:00AM May 21, 2022Observed: 11.48 ft at 12:15AM May 21, 2022Observed: 11.49 ft at 12:30AM May 21, 2022Observed: 11.48 ft at 12:45AM May 21, 2022Observed: 11.48 ft at 1:00AM May 21, 2022Observed: 11.49 ft at 1:15AM May 21, 2022Observed: 11.51 ft at 1:30AM May 21, 2022Observed: 11.44 ft at 1:45AM May 21, 2022Observed: 11.44 ft at 2:00AM May 21, 2022Observed: 11.49 ft at 2:15AM May 21, 2022Observed: 11.48 ft at 2:30AM May 21, 2022Observed: 11.47 ft at 2:45AM May 21, 2022Observed: 11.45 ft at 3:00AM May 21, 2022Observed: 11.43 ft at 3:15AM May 21, 2022Observed: 11.43 ft at 3:30AM May 21, 2022Observed: 11.45 ft at 3:45AM May 21, 2022Observed: 11.41 ft at 4:00AM May 21, 2022Observed: 11.41 ft at 4:15AM May 21, 2022Observed: 11.41 ft at 4:30AM May 21, 2022Observed: 11.4 ft at 4:45AM May 21, 2022Observed: 11.39 ft at 5:00AM May 21, 2022Observed: 11.39 ft at 5:15AM May 21, 2022Observed: 11.4 ft at 5:30AM May 21, 2022Observed: 11.39 ft at 5:45AM May 21, 2022Observed: 11.37 ft at 6:00AM May 21, 2022Observed: 11.35 ft at 6:15AM May 21, 2022Observed: 11.4 ft at 6:30AM May 21, 2022Observed: 11.37 ft at 6:45AM May 21, 2022Observed: 11.38 ft at 7:00AM May 21, 2022Observed: 11.34 ft at 7:15AM May 21, 2022Observed: 11.31 ft at 7:30AM May 21, 2022Observed: 11.35 ft at 7:45AM May 21, 2022Observed: 11.39 ft at 8:00AM May 21, 2022Observed: 11.38 ft at 8:15AM May 21, 2022Observed: 11.33 ft at 8:30AM May 21, 2022Observed: 11.34 ft at 8:45AM May 21, 2022Observed: 11.31 ft at 9:00AM May 21, 2022Observed: 11.33 ft at 9:15AM May 21, 2022Observed: 11.33 ft at 9:30AM May 21, 2022Observed: 11.32 ft at 9:45AM May 21, 2022Observed: 11.33 ft at 10:00AM May 21, 2022Observed: 11.31 ft at 10:15AM May 21, 2022Observed: 11.31 ft at 10:30AM May 21, 2022Observed: 11.32 ft at 10:45AM May 21, 2022Observed: 11.26 ft at 11:00AM May 21, 2022Observed: 11.28 ft at 11:15AM May 21, 2022Observed: 11.31 ft at 11:30AM May 21, 2022Observed: 11.25 ft at 11:45AM May 21, 2022Observed: 11.3 ft at 12:00PM May 21, 2022Observed: 11.3 ft at 12:15PM May 21, 2022Observed: 11.25 ft at 12:30PM May 21, 2022Observed: 11.28 ft at 12:45PM May 21, 2022Observed: 11.23 ft at 1:00PM May 21, 2022Observed: 11.21 ft at 1:15PM May 21, 2022Observed: 11.23 ft at 1:30PM May 21, 2022Observed: 11.22 ft at 1:45PM May 21, 2022Observed: 11.26 ft at 2:00PM May 21, 2022Observed: 11.2 ft at 2:15PM May 21, 2022Observed: 11.2 ft at 2:30PM May 21, 2022Observed: 11.19 ft at 2:45PM May 21, 2022Observed: 11.23 ft at 3:00PM May 21, 2022Observed: 11.18 ft at 3:15PM May 21, 2022Observed: 11.26 ft at 3:30PM May 21, 2022Observed: 11.18 ft at 3:45PM May 21, 2022Observed: 11.21 ft at 4:00PM May 21, 2022Observed: 11.15 ft at 4:15PM May 21, 2022Observed: 11.17 ft at 4:30PM May 21, 2022Observed: 11.16 ft at 4:45PM May 21, 2022Observed: 11.14 ft at 5:00PM May 21, 2022Observed: 11.14 ft at 5:15PM May 21, 2022Observed: 11.15 ft at 5:30PM May 21, 2022Observed: 11.12 ft at 5:45PM May 21, 2022Observed: 11.18 ft at 6:00PM May 21, 2022Observed: 11.12 ft at 6:15PM May 21, 2022Observed: 11.16 ft at 6:30PM May 21, 2022Observed: 11.16 ft at 6:45PM May 21, 2022Observed: 11.09 ft at 7:00PM May 21, 2022Observed: 11.15 ft at 7:15PM May 21, 2022Observed: 11.16 ft at 7:30PM May 21, 2022Observed: 11.15 ft at 7:45PM May 21, 2022Observed: 11.09 ft at 8:00PM May 21, 2022Observed: 11.09 ft at 8:15PM May 21, 2022Observed: 11.07 ft at 8:30PM May 21, 2022Observed: 11.07 ft at 8:45PM May 21, 2022Observed: 11.06 ft at 9:00PM May 21, 2022Observed: 11.06 ft at 9:15PM May 21, 2022Observed: 11.05 ft at 9:30PM May 21, 2022Observed: 11.06 ft at 9:45PM May 21, 2022Observed: 11.05 ft at 10:00PM May 21, 2022Observed: 11.05 ft at 10:15PM May 21, 2022Observed: 11.03 ft at 10:30PM May 21, 2022Observed: 11.03 ft at 10:45PM May 21, 2022Observed: 11.05 ft at 11:00PM May 21, 2022Observed: 11.01 ft at 11:15PM May 21, 2022Observed: 11.08 ft at 11:30PM May 21, 2022Observed: 11 ft at 11:45PM May 21, 2022Observed: 11.01 ft at 12:00AM May 22, 2022Observed: 11.07 ft at 12:15AM May 22, 2022Observed: 11.04 ft at 12:30AM May 22, 2022Observed: 10.99 ft at 12:45AM May 22, 2022Observed: 11.05 ft at 1:00AM May 22, 2022Observed: 11.01 ft at 1:15AM May 22, 2022Observed: 10.99 ft at 1:30AM May 22, 2022Observed: 11 ft at 1:45AM May 22, 2022Observed: 10.98 ft at 2:00AM May 22, 2022Observed: 11.01 ft at 2:15AM May 22, 2022Observed: 10.99 ft at 2:30AM May 22, 2022Observed: 10.94 ft at 2:45AM May 22, 2022Observed: 10.96 ft at 3:00AM May 22, 2022Observed: 10.96 ft at 3:15AM May 22, 2022Observed: 10.96 ft at 3:30AM May 22, 2022Observed: 10.93 ft at 3:45AM May 22, 2022Observed: 10.93 ft at 4:00AM May 22, 2022Observed: 10.93 ft at 4:15AM May 22, 2022Observed: 10.99 ft at 4:30AM May 22, 2022Observed: 10.93 ft at 4:45AM May 22, 2022Observed: 10.94 ft at 5:00AM May 22, 2022Observed: 10.9 ft at 5:15AM May 22, 2022Observed: 10.93 ft at 5:30AM May 22, 2022Observed: 10.89 ft at 5:45AM May 22, 2022Observed: 10.91 ft at 6:00AM May 22, 2022Observed: 10.92 ft at 6:15AM May 22, 2022Observed: 10.86 ft at 6:30AM May 22, 2022Observed: 10.89 ft at 6:45AM May 22, 2022Observed: 10.86 ft at 7:00AM May 22, 2022Observed: 10.86 ft at 7:15AM May 22, 2022Observed: 10.86 ft at 7:30AM May 22, 2022Observed: 10.86 ft at 7:45AM May 22, 2022Observed: 10.85 ft at 8:00AM May 22, 2022Observed: 10.88 ft at 8:15AM May 22, 2022Observed: 10.86 ft at 8:30AM May 22, 2022Observed: 10.88 ft at 8:45AM May 22, 2022Observed: 10.87 ft at 9:00AM May 22, 2022Observed: 10.84 ft at 9:15AM May 22, 2022Observed: 10.85 ft at 9:30AM May 22, 2022Observed: 10.84 ft at 9:45AM May 22, 2022Observed: 10.9 ft at 10:00AM May 22, 2022Observed: 10.87 ft at 10:15AM May 22, 2022Observed: 10.86 ft at 10:30AM May 22, 2022Observed: 10.86 ft at 10:45AM May 22, 2022Observed: 10.87 ft at 11:00AM May 22, 2022Observed: 10.8 ft at 11:15AM May 22, 2022Observed: 10.84 ft at 11:30AM May 22, 2022Observed: 10.8 ft at 11:45AM May 22, 2022Observed: 10.8 ft at 12:00PM May 22, 2022Observed: 10.78 ft at 12:15PM May 22, 2022Observed: 10.79 ft at 12:30PM May 22, 2022Observed: 10.77 ft at 12:45PM May 22, 2022Observed: 10.79 ft at 1:00PM May 22, 2022Observed: 10.82 ft at 1:15PM May 22, 2022Observed: 10.75 ft at 1:30PM May 22, 2022Observed: 10.74 ft at 1:45PM May 22, 2022Observed: 10.77 ft at 2:00PM May 22, 2022Observed: 10.75 ft at 2:15PM May 22, 2022Observed: 10.74 ft at 2:30PM May 22, 2022Observed: 10.74 ft at 2:45PM May 22, 2022Observed: 10.76 ft at 3:00PM May 22, 2022Observed: 10.75 ft at 3:15PM May 22, 2022Observed: 10.75 ft at 3:30PM May 22, 2022Observed: 10.7 ft at 3:45PM May 22, 2022Observed: 10.72 ft at 4:00PM May 22, 2022Observed: 10.76 ft at 4:15PM May 22, 2022Observed: 10.72 ft at 4:30PM May 22, 2022Observed: 10.68 ft at 4:45PM May 22, 2022Observed: 10.68 ft at 5:00PM May 22, 2022Observed: 10.68 ft at 5:15PM May 22, 2022Observed: 10.7 ft at 5:30PM May 22, 2022Observed: 10.71 ft at 5:45PM May 22, 2022Observed: 10.72 ft at 6:00PM May 22, 2022Observed: 10.71 ft at 6:15PM May 22, 2022Observed: 10.66 ft at 6:30PM May 22, 2022Observed: 10.64 ft at 6:45PM May 22, 2022Observed: 10.7 ft at 7:00PM May 22, 2022Observed: 10.66 ft at 7:15PM May 22, 2022Observed: 10.62 ft at 7:30PM May 22, 2022Observed: 10.67 ft at 7:45PM May 22, 2022Forecast: 10.6 ft 12:00AM May 23, 2022Forecast: 10.52 ft 6:00AM May 23, 2022Forecast: 10.44 ft 12:00PM May 23, 2022Forecast: 10.36 ft 6:00PM May 23, 2022Forecast: 10.27 ft 12:00AM May 24, 2022Forecast: 10.21 ft 6:00AM May 24, 2022Forecast: 10.16 ft 12:00PM May 24, 2022Forecast: 10.11 ft 6:00PM May 24, 2022Forecast: 10.07 ft 12:00AM May 25, 2022Forecast: 10.04 ft 6:00AM May 25, 2022Forecast: 10.03 ft 12:00PM May 25, 2022Forecast: 10.02 ft 6:00PM May 25, 2022Forecast: 10.01 ft 12:00AM May 26, 2022Forecast: 10 ft 6:00AM May 26, 2022Forecast: 10.01 ft 12:00PM May 26, 2022Forecast: 10.03 ft 6:00PM May 26, 2022Forecast: 10.08 ft 12:00AM May 27, 2022Forecast: 10.17 ft 6:00AM May 27, 2022Forecast: 10.32 ft 12:00PM May 27, 2022Forecast: 10.52 ft 6:00PM May 27, 2022Forecast: 10.79 ft 12:00AM May 28, 2022Forecast: 11.08 ft 6:00AM May 28, 2022Forecast: 11.37 ft 12:00PM May 28, 2022Forecast: 11.65 ft 6:00PM May 28, 2022Forecast: 11.9 ft 12:00AM May 29, 2022Forecast: 12.08 ft 6:00AM May 29, 2022Highest Forecast: 12.18 ft 12:00PM May 29, 2022Highest Forecast: 12.18 ft 6:00PM May 29, 2022USGS--Water Resources of the United StatesSRGM8(plotting HGIRG) Graph Created (9:00PM May 22, 2022)ObservedForecast (issued 4:04PM May 22)Latest observed value: 10.67 ft at 7:45 PM MDT 22-May-2022. Flood Stage is 19 ft
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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 Clark Fork River at St. Regis are issued routinely year-round.
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Upstream Gauge - below Missoula Upstream Gauge Downstream Gauge Downstream Gauge - near Plains
Flood Categories (in feet)
Major Flood Stage: 22
Moderate Flood Stage: 21
Flood Stage: 19
Action Stage: 18
Low Stage (in feet): -9999

Historic Crests
(1) 20.27 ft on 05/18/1997
(2) 19.96 ft on 05/24/1948
(3) 19.50 ft on 06/03/1972
(4) 19.39 ft on 06/18/1974
(5) 19.20 ft on 05/30/1913
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.17 ft on 05/19/2019
(2) 18.90 ft on 05/12/2018
(3) 18.16 ft on 06/10/2011
(4) 20.27 ft on 05/18/1997
(5) 18.07 ft on 05/16/1976
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.70 ft on 02/08/1933
(2) 3.25 ft on 01/04/1937
(3) 3.29 ft on 02/03/1989
Show More Low Water Records
Zoom Level:16
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
22 Flooding affects buildings in the town of St. Regis inundating roads and isolating homes.
21 Flooding affects low lying areas adjacent to the confluence of the Clark Fork and St. Regis Rivers.
19 Flooding affects low lying areas adjacent to the river.
About This Location Collapse

Latitude: 47.301944° N, Longitude: 115.086389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 19 ft 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 2600.37 ft 2619.37 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

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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