Rivermatics

USGS Streamgage 13108150

Salmon Falls Creek near Hagerman, ID

Salmon Falls Creek near Hagerman, ID is USGS streamgage 13108150 in Idaho, monitoring river discharge in hydrologic subbasin 17040213. It sits on the Salmon Falls Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 2,180 square miles. Discharge records at this site go back to 1970. Typical flow runs near 53.1 cfs in July and 157.7 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
2,180 sq mi
Subbasin (HUC-8)
17040213
Coordinates
42.69639, -114.85528
USGS site number
13108150
Records begin
1970-04-06 (56 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Salmon Falls Creek near Hagerman, 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
44.2 50.4 59.4
42.3 51.9 68
41.5 53 73.6
41.8 54.6 77.1
42.9 57.6 84.8
44.3 60.6 91.8
46.1 64.2 99.1
47.7 67.7 107
48.1 69.4 111
48.2 70.9 115
49.2 72.6 117
50.8 75.2 119
51.3 76.7 122
51.3 77.1 123

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 56 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 119.9 144.5 179.1
February 108.4 137.1 179.4
March 98.8 123.9 180.9
April 98.3 157.7 228.9
May 81.1 137.5 251.1
June 40.3 98.1 192.2
July 28.3 53.1 104.9
August 40.9 79.8 143.7
September 101.4 172.8 248.6
October 182.2 230.2 284.2
November 143.3 176.2 221.7
December 131.1 157.1 187.9

All values in cubic feet per second (cfs).

Common questions

When does Salmon Falls Creek near Hagerman, ID normally run highest?
October, on the long-term record. The median daily flow that month is about 230.2 cfs, against 53.1 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 Salmon Falls Creek near Hagerman, ID?
It depends on the month. In January, half of days historically fall near 144.5 cfs, with the middle 80% of days between 119.9 and 179.1 cfs. The month-by-month table on this page gives the full range.
How long has Salmon Falls Creek near Hagerman, ID been measured?
Discharge records at USGS site 13108150 begin in 1970, about 56 years, covering roughly 9,199 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Salmon Falls Creek near Hagerman, 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 Salmon Falls Creek near Hagerman, ID?
The gauge sits at 42.69639, -114.85528, in Idaho, in hydrologic subbasin 17040213, draining roughly 2,180 square miles.
Can I use Salmon Falls Creek near Hagerman, 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 Salmon Falls Creek

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

Other gauges in this subbasin