Missouri River near Ulm MT water level

Name: Missouri River near Ulm MT water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Missouri River, Montana, United States

Directions

Below flood stage

Water level

2.99ft Steady over the last 24 hours

Measured Oct 19, 2026, 10:30 PM MDT (29 min ago)

Flow: 3,640 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Missouri River near Ulm MT reads 2.99 ft, a normal level.

It is 10.51 ft below the flood stage of 13.50 ft.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 2.90 ft and 3.04 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 17.00 ftJune 1, 1953

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 13.50 ft, still 10.51 ft away.

What happens at each level

19.00 ft: Lower river road floods. Woodland Estates innundated. Fox Farm Road near Heritage Inn floods.
17.00 ft: Homes in the Country Club area in Great Falls flood.
16.00 ft: Country Club golf course in Great Falls floods.
15.00 ft: Woodland Estates Road floods. Agricultural fields flood. Water floods marina along lower river road.
13.40 ft: June 2018 - At 13.4 feet minor low land flooding between Ulm and Great Falls. Most flooding in the flood Plain.
13.00 ft: Low lying fields flood.
2.99 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	17.00 ft	June 1, 1953
2	16.00 ft	June 1, 1948
3	15.48 ft	June 11, 2011
4	15.20 ft	June 17, 1997
5	14.99 ft	May 24, 1981
6	14.64 ft	June 22, 1975
7	14.44 ft	June 22, 1973
8	14.44 ft	June 22, 1964
9	13.99 ft	June 22, 2018
10	13.66 ft	June 15, 1967

Weather at the gauge

No rain in the last 3 days.

17 Sat 74° 53° – Wind 31 mph

18 Sun 60° 43° – Wind 12 mph

19 Mon 73° 41° – Wind 9 mph

20 Tue 57° 46° – Wind 7 mph

21 Wed 71° 42° – Wind 10 mph

22 Thu 71° 50° 0.01 in Wind 10 mph

23 Fri 55° 38° 0.23 in, 43% Wind 15 mph

Forecast: Open-Meteo

Sunrise 07:52 AM Sunset 06:30 PM Daylight 10 hr, 38 min First quarter 65%

Map

Other gauges on the Missouri River

Gauge	Level	Compared with normal	24 hours	Distance
Missouri River at Toston MTRiver gauge, Missouri River	4.05 ft	Below flood stage	−0.08 ft	89 mi
Missouri River below Hauser Dam near Helena MTRiver gauge, Missouri River	3,040 cfs	Low	+120 cfs	52 mi
Missouri River below Holter Dam near Wolf Cr MTRiver gauge, Missouri River	2,980 cfs	Very low	+10.0 cfs	42 mi
Missouri River at Cascade MTRiver gauge, Missouri River	3,410 cfs	Normal	+20.0 cfs	18 mi
Missouri River near Great Falls MTRiver gauge, Missouri River	4,150 cfs	Low	+30.0 cfs	18 mi
Missouri River at Fort Benton MTRiver gauge, Missouri River	2.00 ft	Below flood stage	−0.01 ft	43 mi
Missouri River at Virgelle MTRiver gauge, Missouri River	3.01 ft	Below flood stage	+0.07 ft	66 mi
Missouri River near Landusky MTRiver gauge, Missouri River	13.35 ft	Below flood stage	−0.10 ft	127 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Sun River near Vaughn MTRiver gauge, Sun River	2.45 ft	Below flood stage	±0	8 mi
Muddy Creek at Vaughn MTRiver gauge, Muddy Creek	3.27 ft	Below flood stage	−0.01 ft	11 mi
Smith River near Eden MTRiver gauge, Smith River	157 cfs	Normal	+34.0 cfs	17 mi
Sun River at Simms MTRiver gauge, Sun River	2.85 ft	Below flood stage	+0.01 ft	26 mi
Belt Creek near Monarch MTRiver gauge, Belt Creek	2.21 ft	Below flood stage	−0.01 ft	26 mi
Dearborn River near Craig MTRiver gauge, Dearborn River	3.46 ft	Below flood stage	±0	37 mi

Questions and answers

What is flood stage for the Missouri River near Ulm MT?

The official flood stage is 13.50 ft. The level is currently 10.51 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Missouri River near Ulm MT today?

On Oct 19, 2026, 10:30 PM MDT, the water level was 2.99 ft. Steady over the last 24 hours.

Is Missouri River near Ulm MT rising or falling?

Steady over the last 24 hours.

Is the level of Missouri River near Ulm MT normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Missouri River near Ulm MT?

The highest level on record is 17.00 ft on June 1, 1953.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:06078200 (Agency page)
Coordinates: 47.43497, -111.38844 (WGS84)
Vertical datum: NGVD29
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	2.99 ft	2026-10-20 04:30	Provisional
Flow	3,640 cfs	2026-10-20 04:30	Provisional

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How to cite

U.S. Geological Survey: Missouri River near Ulm MT (usgs:06078200). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/missouri-river-near-ulm-mt

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer