Blackfoot River near Bonner MT water level

Name: Blackfoot River near Bonner 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, Blackfoot River, Montana, United States

Directions

Below flood stage

Water level

2.08ft Steady over the last 24 hours

Measured Oct 21, 2026, 03:30 AM MDT (38 min ago)

Flow: 580 cfs
Water temperature: 45 °F

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 2.05 ft by Tuesday, October 27 at 06:00 PM. Issued Tuesday, October 20 at 08:55 AM by NOAA National Weather Service.

What this means

The gauge at Blackfoot River near Bonner MT reads 2.08 ft, a normal level.

It is 7.92 ft below the flood stage of 10.00 ft.

The level has held steady over the past 24 hours. The forecast expects the river to fall to 2.05 ft by Tuesday, October 27 at 06:00 PM. Over the past 30 days it has moved between 2.08 ft and 2.12 ft.

The sensor also reports a water temperature of 45 °F.

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

Key numbers

Highest on record: 16.00 ftFebruary 9, 1996
Forecast peak: 2.07 ftWednesday, October 21 at 12:00 AM

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 10.00 ft, still 7.92 ft away.

What happens at each level

10.00 ft: Flooding to low lying areas adjacent to the river is possible.
2.08 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	16.00 ft	February 9, 1996
2	11.09 ft	May 11, 2018
3	10.89 ft	June 10, 1964
4	10.74 ft	June 20, 1975
5	10.50 ft	May 18, 1997
6	10.01 ft	June 9, 2011
7	9.98 ft	June 2, 1972
8	9.48 ft	June 15, 1976
9	8.78 ft	May 14, 1971
10	8.78 ft	June 3, 1967

Weather at the gauge

No rain in the last 3 days.

20 Tue 62° 37° – Wind 8 mph

21 Wed 68° 43° – Wind 8 mph

22 Thu 69° 49° 0.01 in, 45% Wind 7 mph

23 Fri 52° 42° 0.37 in, 93% Wind 7 mph

24 Sat 53° 37° – Wind 4 mph

25 Sun 50° 30° – Wind 5 mph

26 Mon 52° 29° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 08:02 AM Sunset 06:39 PM Daylight 10 hr, 36 min Waxing gibbous 76%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Clark Fork at Turah Bridge near Bonner MTRiver gauge, Clark Fork	823 cfs	Normal	−12.0 cfs	5.8 mi
Clark Fork above Missoula MTRiver gauge, Clark Fork	2.62 ft	Below flood stage	−0.01 ft	8 mi
Rock Creek near Clinton MTRiver gauge, Rock Creek	5.28 ft	Below flood stage	−0.01 ft	13 mi
Bitterroot River near Missoula MTRiver gauge, Bitterroot River	3.24 ft	Below flood stage	−0.01 ft	15 mi
Clark Fork below Missoula MTRiver gauge, Clark Fork	1.20 ft	Below flood stage	−0.01 ft	18 mi
South Fork Jocko River near Arlee MTRiver gauge, South Fork Jocko River	17.5 cfs	Low	−0.5 cfs	21 mi
Clark Fork near Drummond MTRiver gauge, Clark Fork	3.07 ft	Below flood stage	−0.02 ft	24 mi
Mission Creek above reservoir near St. Ignatius MTRiver gauge, Mission Creek	11.6 cfs	Very low	−0.8 cfs	31 mi

Questions and answers

What is flood stage for the Blackfoot River near Bonner MT?

The official flood stage is 10.00 ft. The level is currently 7.92 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 Blackfoot River near Bonner MT today?

On Oct 21, 2026, 03:30 AM MDT, the water level was 2.08 ft. Steady over the last 24 hours.

Is Blackfoot River near Bonner MT rising or falling?

Steady over the last 24 hours. Down 0.04 ft over the last 7 days.

Is the level of Blackfoot River near Bonner MT normal?

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

What is the highest water level ever recorded at Blackfoot River near Bonner MT?

The highest level on record is 16.00 ft on February 9, 1996.

Is Blackfoot River near Bonner MT expected to rise?

The forecast expects the river to fall to 2.05 ft by Tuesday, October 27 at 06:00 PM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:12340000 (Agency page)
Coordinates: 46.89941, -113.75632 (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	2.08 ft	2026-10-21 09:30	Provisional
Flow	580 cfs	2026-10-21 09:30	Provisional
Water temperature	45 °F	2026-10-21 09:30	Provisional

Download

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How to cite

U.S. Geological Survey: Blackfoot River near Bonner MT (usgs:12340000). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/blackfoot-river-near-bonner-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