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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 Yellowstone River near Sidney are issued routinely during the warm season, and as needed at other times of the year.
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Upstream Gauge - at Glendive Upstream Gauge
Zoom Level:11
Flood Categories (in feet)
Major Flood Stage: 21.7
Moderate Flood Stage: 20
Flood Stage: 19
Action Stage: 17
Low Stage (in feet): -9999

Historic Crests
(1) 24.03 ft on 03/06/1994
(2) 22.08 ft on 03/19/2011
(3) 21.92 ft on 05/25/2011
(4) 21.85 ft on 03/22/1947
(5) 21.67 ft on 02/17/1971
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(P): Preliminary values subject to further review.

Recent Crests
(1) 19.59 ft on 03/24/2019
(2) 16.87 ft on 06/02/2018
(3) 18.29 ft on 03/26/2018
(4) 14.41 ft on 06/10/2017
(5) 15.93 ft on 03/12/2014
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(P): Preliminary values subject to further review.

Low Water Records
(1) 1.08 ft on 08/06/2021
(2) 1.50 ft on 08/12/1961
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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
28.2 Ice jam will threaten city bridges.
28.2 Ice jam will threaten city bridges.
24 Severe ice jamming may threaten city bridges.
21 Richland Park north of Sidney begins to flood.
19 Flood stage. Expect low-land flooding to occur.
14 At stages of 14.0 feet and higher combined with 60,000 cfs or more will create under tow which can sweep people under water.
2.8 At river levels of 2.8 feet and lower, MDU power plant in Sidney needs to shut down due to lack of water in its intake pipe for the cooling towers.
(1) Downstream
(2) Upstream

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
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
National Weather Service
Glasgow Weather Forecast Office
92 Airport Road
Glasgow, MT 59230
(406) 228-4042
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Page last modified: 30-Oct-2020 4:08 PM
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