Rivermatics

USGS Streamgage 10155000

Provo River near Hailstone, UT

Provo River near Hailstone, UT is USGS streamgage 10155000 in Utah, monitoring river discharge in hydrologic subbasin 16020203. It sits on the Provo River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 230 square miles. Discharge records at this site go back to 1949. Typical flow runs near 157 cfs in July and 283.2 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
Utah
Drainage area
230 sq mi
Gauge elevation
6,283 ft
Subbasin (HUC-8)
16020203
Coordinates
40.60511, -111.31453
USGS site number
10155000
Records begin
1949-10-01 (77 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Provo River near Hailstone, UT. 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
29.6 32.7 39.8
29.8 34.7 45.5
31.7 41.3 64.7
32.3 42.4 62.2
30.7 40 57.3
29 37.4 52.3
27.7 35.7 48.8
26.2 34 45.7
25.1 32.8 43.9
23.5 31.2 41.9
23.8 32.3 45.5
25.1 34.3 48.9
26.4 35.9 50.3
25.8 35 48.4

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 77 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 59.8 79.6 120.5
February 62.5 82.4 119.2
March 73.2 107.4 185.7
April 138.8 283.2 564.7
May 451.9 984.9 1,922.9
June 210.9 847.4 1,855.3
July 32.3 157 493
August 28.9 65.6 166
September 32.8 65.7 128
October 47.2 81.6 142.5
November 62.9 89.9 139.6
December 61.4 83.6 125

All values in cubic feet per second (cfs).

Common questions

When does Provo River near Hailstone, UT normally run highest?
May, on the long-term record. The median daily flow that month is about 984.9 cfs, against 65.6 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Provo River near Hailstone, UT?
It depends on the month. In January, half of days historically fall near 79.6 cfs, with the middle 80% of days between 59.8 and 120.5 cfs. The month-by-month table on this page gives the full range.
How long has Provo River near Hailstone, UT been measured?
Discharge records at USGS site 10155000 begin in 1949, about 77 years, covering roughly 9,098 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Provo River near Hailstone, UT?
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 Provo River near Hailstone, UT?
The gauge sits at 40.60511, -111.31453, in Utah, in hydrologic subbasin 16020203, at an elevation of about 6,283 feet, draining roughly 230 square miles.
Can I use Provo River near Hailstone, UT 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 Provo River

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

Other gauges in this subbasin