Rivermatics

USGS Streamgage 09413500

Virgin River near St. George, UT

Virgin River near St. George, UT is USGS streamgage 09413500 in Utah, monitoring river discharge in hydrologic subbasin 15010010. It sits on the Virgin River, alongside 7 other gauges Rivermatics tracks on the same river. It drains a watershed of about 4,123 square miles. Discharge records at this site go back to 1950. Typical flow runs near 36.5 cfs in July and 151.8 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
4,123 sq mi
Gauge elevation
2,402 ft
Subbasin (HUC-8)
15010010
Coordinates
37.01442, -113.68052
USGS site number
09413500
Records begin
1950-10-01 (76 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Virgin River near St. George, 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
34.6 42.5 140
45.9 205 974
49.5 174 606
46.8 102 304
41.8 73 168
36.6 58.9 114
35.5 58.7 121
32.5 52 96.7
33.2 53.9 114
35.6 83.6 333
41 123 499
42.2 95.7 277
41.7 75 167
38.2 63.2 124

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 76 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 80.5 132.5 286.9
February 74.2 134.4 338.6
March 59.5 144.4 619.4
April 39 151.8 1,011.9
May 23.4 104.8 1,144.2
June 0.2 34 381.5
July 6.4 36.5 189.4
August 9.5 51.6 253.6
September 4.1 57.9 216.4
October 28.7 81 197.7
November 68.8 105.3 228.5
December 77.6 121.6 231.6

All values in cubic feet per second (cfs).

Common questions

When does Virgin River near St. George, UT normally run highest?
April, on the long-term record. The median daily flow that month is about 151.8 cfs, against 34 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Virgin River near St. George, UT?
It depends on the month. In January, half of days historically fall near 132.5 cfs, with the middle 80% of days between 80.5 and 286.9 cfs. The month-by-month table on this page gives the full range.
How long has Virgin River near St. George, UT been measured?
Discharge records at USGS site 09413500 begin in 1950, about 76 years, covering roughly 9,129 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Virgin River near St. George, 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 Virgin River near St. George, UT?
The gauge sits at 37.01442, -113.68052, in Utah, in hydrologic subbasin 15010010, at an elevation of about 2,402 feet, draining roughly 4,123 square miles.
Can I use Virgin River near St. George, 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 Virgin River

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

Other gauges in this subbasin