Rivermatics

USGS Streamgage 12446400

West Fork Salmon Creek near Conconully, WA

West Fork Salmon Creek near Conconully, WA is USGS streamgage 12446400 in Washington, monitoring river discharge in hydrologic subbasin 17020006. It drains a watershed of about 65 square miles. Discharge records at this site go back to 2012. Typical flow runs near 14.1 cfs in July and 41.8 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
Washington
Drainage area
65 sq mi
Gauge elevation
2,284 ft
Subbasin (HUC-8)
17020006
Coordinates
48.54093, -119.76422
USGS site number
12446400
Records begin
2012-09-30 (14 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for West Fork Salmon Creek near Conconully, WA. 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
3.7 3.9 4
3.6 3.8 3.9
3.8 4.5 6.6
3.9 4.8 7.2
4 4.9 7.1
3.9 4.8 6.5
3.7 4.4 5.6
3.5 4.1 5.1
3.4 4 4.8
3.4 3.9 4.7
3.3 3.8 4.6
3.2 3.8 4.6
3.2 3.8 4.6
3.2 3.8 4.6

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 14 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 6.9 9.7 11.8
February 6.9 9.5 13.3
March 8.3 12.6 26.2
April 16.4 41.8 122
May 32.4 67 240.5
June 20.8 34 85.9
July 9 14.1 29.3
August 6.1 8.4 16
September 5.4 7.1 15.8
October 6.2 10.1 18.9
November 7.7 10.9 17.8
December 7.2 9.6 14

All values in cubic feet per second (cfs).

Common questions

When does West Fork Salmon Creek near Conconully, WA normally run highest?
May, on the long-term record. The median daily flow that month is about 67 cfs, against 7.1 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for West Fork Salmon Creek near Conconully, WA?
It depends on the month. In January, half of days historically fall near 9.7 cfs, with the middle 80% of days between 6.9 and 11.8 cfs. The month-by-month table on this page gives the full range.
How long has West Fork Salmon Creek near Conconully, WA been measured?
Discharge records at USGS site 12446400 begin in 2012, about 14 years, covering roughly 5,055 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for West Fork Salmon Creek near Conconully, WA?
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 West Fork Salmon Creek near Conconully, WA?
The gauge sits at 48.54093, -119.76422, in Washington, in hydrologic subbasin 17020006, at an elevation of about 2,284 feet, draining roughly 65 square miles.
Can I use West Fork Salmon Creek near Conconully, WA 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.

Other gauges in this subbasin