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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 Flathead River at Columbia Falls are issued routinely year-round.
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Downstream Gauge Downstream Gauge - near Polson
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 22
Moderate Flood Stage: 18
Flood Stage: 13
Action Stage: 12.5
Low Stage (in feet): -9999

Historic Crests
(1) 25.58 ft on 06/09/1964
(2) 22.70 ft on 06/01/1894
(3) 19.08 ft on 05/23/1948
(4) 18.71 ft on 05/27/1928
(5) 17.63 ft on 06/16/1933
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.86 ft on 06/15/2022
(2) 12.90 ft on 06/05/2021
(3) 13.87 ft on 06/01/2020
(4) 13.88 ft on 05/09/2018
(5) 13.43 ft on 06/01/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.08 ft on 12/08/1929
(2) 0.70 ft on 03/02/1927
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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
22 Flooding in Columbia Falls, Kalispell, Creston and Foy's Bend causing isolation of many homes within the valley. Many secondary roads are impassable and closures of Highway 93 are expected.
18 Flooding of low lying areas in Columbia Falls including many buildings and secondary roads. There is also possible flooding along Highway 93 between Kalispell and Sommers.
16.1 A trailer and RV park located just north of Highway 35 in Evergreen may be flooded.
16 Low lying buildings and roads in the vicinity of Kalispell, Creston, Columbia Falls and Foy's Bend begin flooding.
14 Flooding of farmers crops adjacent to the Flathead River is likely. Sections of the Steel Bridge Road become inundated with water and impassable.
13 Farmers crops adjacent to the Flathead River are inundated with water.

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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