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This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
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About this graph
Forecasts for the Missouri River at Toston are issued routinely during the warm season, and as needed at other times of the year.
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Upstream Locations Upstream Gauge
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 11
Flood Stage: 10.5
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 12.22 ft on 06/12/1997
(2) 11.77 ft on 06/06/1948
(3) 11.53 ft on 06/15/2011
(4) 11.32 ft on 06/18/1974
(5) 11.22 ft on 06/11/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.19 ft on 06/15/2022
(2) 11.08 ft on 06/02/2018
(3) 9.82 ft on 05/30/2014
(4) 6.48 ft on 05/21/2013
(5) 7.96 ft on 06/06/2012
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.62 ft on 04/30/1941
(2) 1.68 ft on 07/31/1989
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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
11 Water floods low lying areas near Highway 287.
10 Low lying fields flood.
Photos
(1) Missouri River near Toston - Gauge house
(2) Missouri River near Toston - Looking Downstream
(3) Missouri River near Toston - Looking Upstream toward Toston Dam
(4) Missouri River at Toston Dam upstream from gauge house
(5) Missouri River at Toston - June 7 1957

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
Great Falls Weather Forecast Office
5324 Tri-Hill Frontage Rd
Great Falls, MT 59404-4933
(406) 453-2081
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Page last modified: 2-Nov-2020 7:28 PM
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