Rivermatics

USGS Streamgage 09035500

Williams Fork below Steelman Creek, CO

Williams Fork below Steelman Creek, CO is USGS streamgage 09035500 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It sits on the Williams Fork, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 16 square miles. Discharge records at this site go back to 1933. Typical flow runs near 40.8 cfs in July and 2.8 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
16 sq mi
Gauge elevation
9,858 ft
Subbasin (HUC-8)
14010001
Coordinates
39.77888, -105.92835
USGS site number
09035500
Records begin
1933-07-01 (93 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Williams Fork below Steelman Creek, 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
0.4 0.4 0.4
0.3 0.4 0.4
0.3 0.4 0.4
0.4 0.5 0.8
0.4 0.5 0.8
0.4 0.5 1.1
0.4 0.6 1.1
0.4 0.5 0.9
0.4 0.5 0.8
0.3 0.5 0.7
0.3 0.4 0.7
0.3 0.4 0.7
0.3 0.4 0.6
0.3 0.4 0.6

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 93 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 0.4 1.1 3.7
February 0.4 1.4 3.4
March 0.5 1.7 3.4
April 1 2.8 7.1
May 5.2 18.3 76.1
June 13.3 117.5 215.1
July 3 40.8 112.2
August 1 3.4 27
September 0.7 2.6 14.4
October 0.7 2.7 10.5
November 0.6 1.6 6.5
December 0.5 1.2 4.5

All values in cubic feet per second (cfs).

Common questions

When does Williams Fork below Steelman Creek, CO normally run highest?
June, on the long-term record. The median daily flow that month is about 117.5 cfs, against 1.1 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Williams Fork below Steelman Creek, CO?
It depends on the month. In January, half of days historically fall near 1.1 cfs, with the middle 80% of days between 0.4 and 3.7 cfs. The month-by-month table on this page gives the full range.
How long has Williams Fork below Steelman Creek, CO been measured?
Discharge records at USGS site 09035500 begin in 1933, about 93 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 Williams Fork below Steelman Creek, 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 Williams Fork below Steelman Creek, CO?
The gauge sits at 39.77888, -105.92835, in Colorado, in hydrologic subbasin 14010001, at an elevation of about 9,858 feet, draining roughly 16 square miles.
Can I use Williams Fork below Steelman Creek, 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 Williams Fork

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

Other gauges in this subbasin