Rivermatics

USGS Streamgage 09146020

Uncompahgre River near Ouray, CO

Uncompahgre River near Ouray, CO is USGS streamgage 09146020 in Colorado, monitoring river discharge in hydrologic subbasin 14020006. It sits on the Uncompahgre River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 77 square miles. Discharge records at this site go back to 2001. Typical flow runs near 146.9 cfs in July and 90.8 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Colorado
Drainage area
77 sq mi
Gauge elevation
7,600 ft
Subbasin (HUC-8)
14020006
Coordinates
38.04333, -107.68312
USGS site number
09146020
Records begin
2001-04-04 (25 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Uncompahgre River near Ouray, CO. 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
31.9 33.2 34.5
30.5 32.2 34
29.6 31.6 33.9
29.5 32 35.6
29.9 33.9 42.3
31.8 38.3 57.2
31.1 38.1 57.3
30.3 36.5 49.1
28.7 34.4 44.5
27.7 33 41.1
26.7 31.9 39.2
25.8 31.3 39.2
25.3 31 39.9
24.5 29.9 37.2

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 25 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 18.9 26 31.2
February 18.3 24.1 34.3
March 23.5 33.8 70.6
April 49 90.8 170.5
May 151.3 283.5 556.7
June 167.1 424.1 815.3
July 57.2 146.9 393.9
August 39.1 81.2 147.1
September 36.5 55.3 114.5
October 30 45.7 105.1
November 25.6 36.5 54
December 20.1 29.3 37.8

All values in cubic feet per second (cfs).

Common questions

When does Uncompahgre River near Ouray, CO normally run highest?
June, on the long-term record. The median daily flow that month is about 424.1 cfs, against 24.1 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Uncompahgre River near Ouray, CO?
It depends on the month. In January, half of days historically fall near 26 cfs, with the middle 80% of days between 18.9 and 31.2 cfs. The month-by-month table on this page gives the full range.
How long has Uncompahgre River near Ouray, CO been measured?
Discharge records at USGS site 09146020 begin in 2001, about 25 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Uncompahgre River near Ouray, CO?
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 Uncompahgre River near Ouray, CO?
The gauge sits at 38.04333, -107.68312, in Colorado, in hydrologic subbasin 14020006, at an elevation of about 7,600 feet, draining roughly 77 square miles.
Can I use Uncompahgre River near Ouray, CO 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 Uncompahgre River

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

Other gauges in this subbasin