Missouri River at Toston, MT

Missouri River & Headwaters (Montana) · USGS gauge 06054500 · Updated Oct 24, 2:37 PM PDT · USGS data, provisional

All 3 Missouri River gauges in Montana

Fishable/Floatable3,720 cfs▲ rising (+11% in 24 h)

Reading time: Oct 24, 2:00 PM PDT · Provisional data

Flow is in a typical range for the date. Rivers are generally easiest to fish and float when they are near their normal flow, but this status says nothing about water clarity, hatches, hazards such as wood in the river, or dam releases.

Vs. normal for this date
32nd percentile
Typical range (25th–75th)
3,590–5,148 cfs
Median for this date
4,230 cfs
7-day low / high
3,080 / 3,720 cfs

Plain-language explanation

Missouri River at Toston is flowing at 3,720 cubic feet per second (cfs) as of Oct 24, 2:00 PM PDT. That is in the normal range for this time of year: lower than about 68% of the daily flows this gauge has recorded for this date (give or take 7 days) over 94 years of record (1890–2026).

The middle half of those historical flows runs from 3,590 to 5,148 cfs, with a median of 4,230 cfs; the lowest 10% of days are at or below 3,171 cfs and the highest 10% at or above 5,970 cfs.

Over the last 24 hours the flow has been rising (+11.0%). In the last 7 days it ranged from 3,080 to 3,720 cfs.

Why this status: Flow is within the range this gauge normally sees at this time of year (or the deviation is too small in absolute terms to matter).

Quick answers

Is the Missouri River at Toston fishable today?

Flowcast's status for the Missouri River at Toston is “Fishable/Floatable”: flow is 3,720 cfs, within the range this gauge normally sees at this time of year, at the 32nd percentile for this date (as of Oct 24, 2:00 PM PDT). That describes flow only. It says nothing about water clarity, temperature, fish activity, access or fishing regulations.

What is the current flow of the Missouri River at Toston?

3,720 cubic feet per second at USGS gauge 06054500 as of Oct 24, 2:00 PM PDT, provisional data.

Is the Missouri River at Toston too high or too low right now?

Neither: it is inside the typical range for the date (3,590 to 5,148 cfs).

Is the Missouri River at Toston rising or falling?

Over the last 24 hours the flow has been rising (+11.0%).

What is a normal flow for the Missouri River at Toston in October?

For this date (give or take 7 days) the median is 4,230 cfs and the middle half of days runs 3,590 to 5,148 cfs, over 94 years of USGS record.

7-day trend

typical range for this date (25th-75th pct)2,9843,1923,4003,6083,816Sun 10/18Mon 10/19Tue 10/20Wed 10/21Thu 10/22Fri 10/23Sat 10/24

Hourly flow in cfs, Pacific time. The shaded band is the typical range (25th–75th percentile) for this date, shown when it falls within the chart.

Day (Pacific)Mean cfsPercentileStatus that day
Sun Oct 183,31720thFishable/Floatable
Mon Oct 193,21815thFishable/Floatable
Tue Oct 203,18113thFishable/Floatable
Wed Oct 213,17312thFishable/Floatable
Thu Oct 223,14810thFishable/Floatable
Fri Oct 233,29214thFishable/Floatable
Sat Oct 24 (so far)3,64928thFishable/Floatable

Seasonal context

1,0002,0005,00010,00020,00050,000100,000JanFebMarAprMayJunJulAugSepOctNovDec

Shaded band: 10th–90th percentile of daily flows through the year; dashed line: median. Log scale. Dot: today's flow. Based on 94 years of USGS daily data (1890–2026).

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Official resources

Links go to the agencies' own websites and were checked as working. Flowcast does not summarize fishing or boating rules: regulations and closures change, and the agency pages are the authority.

About this gauge

USGS site
USGS-06054500
USGS name
Missouri River At Toston Mt
Drainage area
14,641 sq mi
Location
46.1466, -111.4203
Record in this analysis
1890–2026
Data from the U.S. Geological Survey (USGS). Readings are provisional and subject to revision. Flowcast statuses are automated comparisons with each gauge's own history, not safety ratings or fishing reports. Check local conditions, weather, regulations and closures before you go. Rivers can change quickly.

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