Missouri River at Toston MT water level

Name: Missouri River at Toston 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

4.03ft Steady over the last 24 hours

Measured Oct 20, 2026, 01:00 PM MDT (41 min ago)

Flow: 3,170 cfs
Water temperature: 50 °F

History

7 days

Water level Minor flood stage

What this means

The gauge at Missouri River at Toston MT reads 4.03 ft, a normal level.

It is 6.47 ft below the flood stage of 10.50 ft.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 3.98 ft and 4.17 ft.

Fall is often low-water season on rivers, until steadier rain returns. The sensor also reports a water temperature of 50 °F.

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

Key numbers

Highest on record: 12.22 ftJune 12, 1997

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 10.50 ft, still 6.47 ft away.

What happens at each level

11.00 ft: Water floods low lying areas near Highway 287.
10.00 ft: Low lying fields flood.
4.03 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	12.22 ft	June 12, 1997
2	11.77 ft	June 6, 1948
3	11.53 ft	June 15, 2011
4	11.32 ft	June 18, 1974
5	11.22 ft	June 11, 1996
6	11.16 ft	June 10, 1970
7	11.12 ft	June 8, 1995
8	11.08 ft	June 2, 2018
9	10.97 ft	June 24, 1984
10	10.83 ft	May 24, 1981

Weather at the gauge

No rain in the last 3 days.

20 Tue 65° 40° – Wind 11 mph

21 Wed 69° 39° – Wind 9 mph

22 Thu 70° 47° – Wind 5 mph

23 Fri 56° 39° 0.34 in, 92% Wind 14 mph

24 Sat 58° 36° – Wind 16 mph

25 Sun 45° 32° – Wind 16 mph

26 Mon 44° 27° – Wind 9 mph

Forecast: Open-Meteo

Sunrise 07:50 AM Sunset 06:32 PM Daylight 10 hr, 42 min Waxing gibbous 71%

Map

Other gauges on the Missouri River

Gauge	Level	Compared with normal	24 hours	Distance
Missouri River below Hauser Dam near Helena MTRiver gauge, Missouri River	2,810 cfs	Low	−190.0 cfs	48 mi
Missouri River below Holter Dam near Wolf Cr MTRiver gauge, Missouri River	2,920 cfs	Very low	−100.0 cfs	65 mi
Missouri River at Cascade MTRiver gauge, Missouri River	3,390 cfs	Normal	+30.0 cfs	79 mi
Missouri River near Ulm MTRiver gauge, Missouri River	3.00 ft	Below flood stage	+0.02 ft	89 mi
Missouri River near Great Falls MTRiver gauge, Missouri River	4,120 cfs	Low	±0	101 mi
Missouri River at Fort Benton MTRiver gauge, Missouri River	2.02 ft	Below flood stage	+0.02 ft	121 mi
Missouri River at Virgelle MTRiver gauge, Missouri River	2.99 ft	Below flood stage	−0.02 ft	139 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Gallatin River at Logan MTRiver gauge, Gallatin River	4.90 ft	Below flood stage	−0.02 ft	18 mi
Jefferson River near Three Forks MTRiver gauge, Jefferson River	3.31 ft	Below flood stage	−0.02 ft	19 mi
Boulder River near BoulderRiver gauge, Boulder River	35.9 cfs	Normal	±0	32 mi
Willow Creek near Harrison MTRiver gauge, Willow Creek	15.4 cfs	Low	−0.9 cfs	33 mi
E Gallatin R above Water Reclamation Fa near Bozeman MTRiver gauge, E Gallatin R	98.8 cfs	Very high	+2.5 cfs	34 mi
Prickly Pear Creek near Clancy MTRiver gauge, Prickly Pear Creek	22.8 cfs	Low	±0	36 mi
Canyon Ferry Lake Dam Powerplant and Helena Valley Pumping PlantReservoir	3,784.55 ft	Normal		38 mi
Helena Valley ReservoirReservoir	3,817.67 ft	Very high		40 mi

Questions and answers

What is flood stage for the Missouri River at Toston MT?

The official flood stage is 10.50 ft. The level is currently 6.47 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 at Toston MT today?

On Oct 20, 2026, 01:00 PM MDT, the water level was 4.03 ft. Steady over the last 24 hours.

Is Missouri River at Toston MT rising or falling?

Steady over the last 24 hours.

Is the level of Missouri River at Toston 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 at Toston MT?

The highest level on record is 12.22 ft on June 12, 1997.

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:06054500 (Agency page)
Coordinates: 46.14657, -111.42028 (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	4.03 ft	2026-10-20 19:00	Provisional
Flow	3,170 cfs	2026-10-20 19:00	Provisional
Water temperature	50 °F	2026-10-20 19:00	Provisional

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How to cite

U.S. Geological Survey: Missouri River at Toston MT (usgs:06054500). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/missouri-river-at-toston-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