Rivermatics

USGS Streamgage 14158790

Smith River above Smith River Resv,Nr Belknap Sprngs, OR

Smith River above Smith River Resv,Nr Belknap Sprngs, OR is USGS streamgage 14158790 in Oregon, monitoring river discharge in hydrologic subbasin 17090004. It sits on the Smith River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 16 square miles. Discharge records at this site go back to 1960. Typical flow runs near 11.5 cfs in July and 127 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, alongside daily high and low water-temperature forecasts.

View live conditions & forecast →

Gauge details

State
Oregon
Drainage area
16 sq mi
Subbasin (HUC-8)
17090004
Coordinates
44.33457, -122.04701
USGS site number
14158790
Records begin
1960-10-01 (66 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for Smith River above Smith River Resv,Nr Belknap Sprngs, OR. 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
3.3 3.4 3.5
5.5 10.2 25.7
4.1 6 9.9
3.8 4.8 6.7
3.6 4.2 5.2
3.4 3.9 4.7
3.3 3.7 4.5
3.2 3.6 4.3
3.1 3.6 4.1
3.1 3.5 4.1
3.1 3.5 4.1
3.1 3.5 4.1
3.1 3.6 4.3
3.1 3.6 4.2

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 66 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 33.8 89.5 313.8
February 32.9 79.2 267.9
March 38.4 87.9 242
April 60.8 127 264.2
May 49.4 122.6 288.9
June 16.5 46.7 166.7
July 6.4 11.5 32.2
August 3.8 5.6 9.7
September 3.2 4.6 11.7
October 3.6 8.7 51.3
November 11.3 64.6 253.4
December 28 87.1 360.8

All values in cubic feet per second (cfs).

Common questions

When does Smith River above Smith River Resv,Nr Belknap Sprngs, OR normally run highest?
April, on the long-term record. The median daily flow that month is about 127 cfs, against 4.6 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 Smith River above Smith River Resv,Nr Belknap Sprngs, OR?
It depends on the month. In January, half of days historically fall near 89.5 cfs, with the middle 80% of days between 33.8 and 313.8 cfs. The month-by-month table on this page gives the full range.
How long has Smith River above Smith River Resv,Nr Belknap Sprngs, OR been measured?
Discharge records at USGS site 14158790 begin in 1960, about 66 years, covering roughly 9,201 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Smith River above Smith River Resv,Nr Belknap Sprngs, OR?
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. A companion model forecasts each day's water-temperature high and low. 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 Smith River above Smith River Resv,Nr Belknap Sprngs, OR?
The gauge sits at 44.33457, -122.04701, in Oregon, in hydrologic subbasin 17090004, draining roughly 16 square miles.
Can I use Smith River above Smith River Resv,Nr Belknap Sprngs, OR 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 Smith River

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

Other gauges in this subbasin