Rivermatics

USGS Streamgage 09146200

Uncompahgre River near Ridgway, CO

Uncompahgre River near Ridgway, CO is USGS streamgage 09146200 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 149 square miles. Discharge records at this site go back to 1958. Typical flow runs near 267.3 cfs in July and 101.9 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
149 sq mi
Gauge elevation
6,893 ft
Subbasin (HUC-8)
14020006
Coordinates
38.18388, -107.74589
USGS site number
09146200
Records begin
1958-10-01 (68 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Uncompahgre River near Ridgway, 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
38.5 40.2 42
36.1 38.5 41.3
34.2 37.3 41.4
33.3 37.7 45
34 40 53
36.4 45.6 69.5
36.6 46.9 70.7
35.9 46.1 65.7
33.6 42.8 59.6
31.6 40.2 55
30.2 38.6 52.9
28.8 36.9 50.6
28 36.2 50.2
27.3 35.3 48.8

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 68 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 35.8 44.2 53.2
February 35.6 43.6 56.9
March 41.5 54.5 88.1
April 64 101.9 182.5
May 156.1 291.6 554.1
June 261.8 536.6 933.9
July 129.3 267.3 565
August 72.6 135.9 249.4
September 58.7 90.6 170.7
October 55.7 80.1 131.9
November 51 64.7 84.9
December 41.6 50.7 63.4

All values in cubic feet per second (cfs).

Common questions

When does Uncompahgre River near Ridgway, CO normally run highest?
June, on the long-term record. The median daily flow that month is about 536.6 cfs, against 43.6 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 Ridgway, CO?
It depends on the month. In January, half of days historically fall near 44.2 cfs, with the middle 80% of days between 35.8 and 53.2 cfs. The month-by-month table on this page gives the full range.
How long has Uncompahgre River near Ridgway, CO been measured?
Discharge records at USGS site 09146200 begin in 1958, about 68 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 Ridgway, 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 Ridgway, CO?
The gauge sits at 38.18388, -107.74589, in Colorado, in hydrologic subbasin 14020006, at an elevation of about 6,893 feet, draining roughly 149 square miles.
Can I use Uncompahgre River near Ridgway, 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