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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 Milk River near Glasgow are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near Tampico Upstream Gauge Downstream Gauge Downstream Gauge - at Nashua
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 29
Flood Stage: 25
Action Stage: 23
Low Stage (in feet): -9999

Historic Crests
(1) 34.08 ft on 06/08/2011
(2) 33.20 ft on 04/18/1952
(3) 33.00 ft on 04/05/1912
(4) 32.84 ft on 04/16/2011
(5) 32.84 ft on 03/06/1986
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(P): Preliminary values subject to further review.

Recent Crests
(1) 28.63 ft on 06/05/2023
(2) 31.89 ft on 04/16/2023
(3) 24.76 ft on 04/02/2020
(4) 26.41 ft on 03/09/2020
(5) 31.37 ft on 03/29/2019
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
34.08 This matches the level of the record June 2011 flood.
34 Highway 24...Fort Peck Highway will begin to flood a quarter mile south of the Milk River Bridge.
33.75 Highway 42 also known as Fort Peck Highway near Sullivan Park becomes completely submerged. Traffic barriers should be placed by law enforcement to restrict traffic.
33.2 This matches the stage level of the 1952 flood.
33 Fort Peck Highway...Montana 42...begins to flood near Sullivan Park.
32.79 Most roads in the lower Milk River Valley are flooded.
31 Flooding will begin to affect buildings between the Fort Peck Highway and the Milk River east of Glasgow. Sullivan Park will be totally covered by flood waters.
30 Storm drainage valves along Glasgow levee will back-flood into the southside of Glasgow if not closed. Flooding begins on Rahlf Lane off of Highway 24.
29.5 Livestock/feedlots adjacent to Milk River become isolated by flood water. Livestock relocation to higher ground should have started.
29 Water begins to flow over Whately Road...which is about 7 miles east of Glasgow. Baseball field at Sullivan Park flooded.
28 Water begins to flow across 6th Ave SW also known as Aitken Road south of the Milk River Bridge.
26.75 Back trail in Sullivan Park begins to flood.
26 Some flooding will also occur on area farmlands.
25 This is flood stage. Expect some low-land flooding to occur.
(1) Milk River at 34 feet
(2) Looking across at 34 feet
(3) Downstream
(4) Upstream

Other Real-time and/or Archive Data Sources:

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How low could the river get?
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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: 2-Nov-2020 7:28 PM
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