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Hydrograph River at a Glance Download
Milk River near Glasgow Stage (ft)GLWM8(plotting HGIRZ) Graph Created (1:19AM Jan 21, 2018)Flood Stage is 25 ft
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Datum: NGVD29
NOTE: Automated gauge readings are unavailable, readings taken manually.

NOTE: 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
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) 24.11 ft on 03/20/2017
(2) 23.12 ft on 02/22/2017
(3) 27.84 ft on 10/11/2016
(4) 25.62 ft on 05/13/2016
(5) 19.67 ft on 03/16/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:14
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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.
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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 Flood waters will begin to cover 6th Avenue South west of the river. 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. Water reaches the base of the Sullivan Park sign in Sullivan Park.
29.5 Livestock/feedlots adjacent to Milk River become isolated by flood water. Livestock relocation to higher ground should have started.
28.5 Water begins to flow over Whately Road...which is about 7 miles east of Glasgow.
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
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Latitude: 48.160000° N, Longitude: 106.592500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 25 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 2050.93 ft 2075.93 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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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: 21-Dec-2016 5:19 PM
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