Rivermatics

USGS Streamgage 09419700

Las Vegas Wash at Pabco Rd near Henderson, NV

Las Vegas Wash at Pabco Rd near Henderson, NV is USGS streamgage 09419700 in Nevada, monitoring river discharge in hydrologic subbasin 15010015. It sits on the Las Vegas Wash, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 2,125 square miles. Discharge records at this site go back to 1957. Typical flow runs near 272.4 cfs in July and 280.5 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
Nevada
Drainage area
2,125 sq mi
Gauge elevation
1,530 ft
Subbasin (HUC-8)
15010015
Coordinates
36.08748, -114.98583
USGS site number
09419700
Records begin
1957-02-11 (69 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Las Vegas Wash at Pabco Rd near Henderson, NV. 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
286 293 302
282 293 303
280 293 305
277 292 306
276 292 308
279 302 352
287 343 558
281 309 368
277 305 351
275 307 366
273 309 372
270 303 348
262 297 336
267 297 333

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 42 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 140.3 305.7 365.7
February 136.8 304.6 402.6
March 137 299.7 339.5
April 131.9 280.5 324.4
May 128.1 268.2 317.2
June 125.6 263.5 313.1
July 127.1 272.4 347.5
August 130.9 283.5 357.2
September 134.4 281.2 350
October 132.4 278.7 345.6
November 141.9 288.9 342.7
December 136.1 298.5 354.6

All values in cubic feet per second (cfs).

Common questions

When does Las Vegas Wash at Pabco Rd near Henderson, NV normally run highest?
January, on the long-term record. The median daily flow that month is about 305.7 cfs, against 263.5 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 Las Vegas Wash at Pabco Rd near Henderson, NV?
It depends on the month. In January, half of days historically fall near 305.7 cfs, with the middle 80% of days between 140.3 and 365.7 cfs. The month-by-month table on this page gives the full range.
How long has Las Vegas Wash at Pabco Rd near Henderson, NV been measured?
Discharge records at USGS site 09419700 begin in 1957, about 69 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Las Vegas Wash at Pabco Rd near Henderson, NV?
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 Las Vegas Wash at Pabco Rd near Henderson, NV?
The gauge sits at 36.08748, -114.98583, in Nevada, in hydrologic subbasin 15010015, at an elevation of about 1,530 feet, draining roughly 2,125 square miles.
Can I use Las Vegas Wash at Pabco Rd near Henderson, NV 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 Las Vegas Wash

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

Other gauges in this subbasin