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This probabilistic forecast is issued by the Northwest River Forecast Center.
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About this graph
Forecasts for the Clark Fork River near Plains are issued routinely year-round.
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Upstream Gauge - at St. Regis Upstream Gauge
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 19.5
Moderate Flood Stage: 18
Flood Stage: 16
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 19.17 ft on 06/05/1948
(2) 18.41 ft on 05/28/1928
(3) 18.00 ft on 06/17/1933
(4) 17.94 ft on 06/05/1913
(5) 17.90 ft on 07/02/1916
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.91 ft on 06/13/2022
(2) 12.00 ft on 06/06/2021
(3) 14.15 ft on 06/02/2020
(4) 16.55 ft on 05/27/2018
(5) 14.52 ft on 05/29/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
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
18 Flooding affects low lying areas ajacent to the river including county roads and possibly areas in Plains west of Montana Rail Link. Floodwaters also threaten Highway 200 west of Plains and Highway 200 west of Paradise.
16 Flooding affects county roads and low lying areas adjacent to the river.

Other Real-time and/or Archive Data Sources:

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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Page last modified: 2-Nov-2020 7:28 PM
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