Rivermatics

USGS Streamgage 13068500

Blackfoot River near Blackfoot, ID

Blackfoot River near Blackfoot, ID is USGS streamgage 13068500 in Idaho, monitoring river discharge in hydrologic subbasin 17040207. It sits on the Blackfoot River, alongside 3 other gauges Rivermatics tracks on the same river. It drains a watershed of about 1,295 square miles. Discharge records at this site go back to 1913. Typical flow runs near 78.3 cfs in July and 142.4 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Idaho
Drainage area
1,295 sq mi
Subbasin (HUC-8)
17040207
Coordinates
43.13056, -112.47667
USGS site number
13068500
Records begin
1913-04-27 (113 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Blackfoot River near Blackfoot, ID. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
29.8 39.1 59.9
25.9 43.2 66.4
22.4 42 70.2
24 43.7 75.9
19.4 39.3 69.5
16.7 37.5 69
15.7 36.7 67.4
15.1 37.2 70.3
16.3 40 78.8
19.9 45.4 90.9
19.3 47 103
19.4 48 109
18.2 42.6 86.5
20.3 46.1 96.3

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 63 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 44.7 81.8 169.4
February 49 87.4 203.5
March 64.9 98.4 272.5
April 56.7 142.4 355.8
May 26.9 146.7 475.6
June 21.3 115.5 337.7
July 11.9 78.3 213.2
August 6.9 82.5 240.4
September 14.7 95.4 228.1
October 75.6 176.5 285
November 68.4 115.3 274.8
December 53.4 88.2 169.4

All values in cubic feet per second (cfs).

Common questions

When does Blackfoot River near Blackfoot, ID normally run highest?
October, on the long-term record. The median daily flow that month is about 176.5 cfs, against 78.3 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Blackfoot River near Blackfoot, ID?
It depends on the month. In January, half of days historically fall near 81.8 cfs, with the middle 80% of days between 44.7 and 169.4 cfs. The month-by-month table on this page gives the full range.
How long has Blackfoot River near Blackfoot, ID been measured?
Discharge records at USGS site 13068500 begin in 1913, about 113 years, covering roughly 9,197 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Blackfoot River near Blackfoot, ID?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Blackfoot River near Blackfoot, ID?
The gauge sits at 43.13056, -112.47667, in Idaho, in hydrologic subbasin 17040207, draining roughly 1,295 square miles.
Can I use Blackfoot River near Blackfoot, ID data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Upstream and downstream on the Blackfoot River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Blackfoot River in full.

Other gauges in this subbasin