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This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
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Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey
About this graph
Forecasts for the Clarks Fork of the Yellowstone near Belfry are issued routinely during the warm season, and as needed at other times of the year.
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Downstream Gauge Downstream Gauge - at Edgar
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 11.5
Moderate Flood Stage: 10
Flood Stage: 9
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests
(1) 12.68 ft on 06/13/2022
(2) 9.97 ft on 06/09/1981
(3) 9.38 ft on 06/01/2020
(4) 8.98 ft on 06/11/1996
(5) 8.77 ft on 07/06/1975
(6) 8.70 ft on 05/28/2018
(7) 8.68 ft on 05/29/2014
(8) 8.68 ft on 07/05/2011
(9) 8.68 ft on 06/11/1997
(10) 8.54 ft on 06/06/2017
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(P): Preliminary values subject to further review.

Recent Crests
(1) 6.21 ft on 05/25/2023 (P)
(2) 12.68 ft on 06/13/2022
(3) 7.66 ft on 06/06/2021
(4) 9.38 ft on 06/01/2020
(5) 8.13 ft on 06/08/2019
(6) 8.70 ft on 05/28/2018
(7) 8.54 ft on 06/06/2017
(8) 6.70 ft on 06/09/2016
(9) 7.34 ft on 06/11/2015
(10) 8.68 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.

Other Real-time and/or Archive Data Sources:

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How low could the river get?
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
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Billings, MT 59102-6455
(406) 652-0851
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Page last modified: 2-Nov-2020 7:28 PM
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