USGS Streamgage 14033500
Umatilla River near Umatilla, OR
Umatilla River near Umatilla, OR is USGS streamgage 14033500 in Oregon, monitoring river discharge in hydrologic subbasin 17070103. It sits on the Umatilla River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 2,290 square miles. Discharge records at this site go back to 1903. Typical flow runs near 16.1 cfs in July and 991.9 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, alongside daily high and low water-temperature forecasts.
View live conditions & forecast →
Gauge details
- State
- Oregon
- Drainage area
- 2,290 sq mi
- Subbasin (HUC-8)
- 17070103
- Coordinates
- 45.90269, -119.32708
- USGS site number
- 14033500
- Records begin
- 1903-11-01 (123 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Umatilla River near Umatilla, OR. 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.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 51.6 | 56.8 | 64.9 | ||
| 50 | 58.7 | 74.4 | ||
| 52 | 65.6 | 101 | ||
| 55.2 | 78.3 | 146 | ||
| 53.6 | 74.6 | 130 | ||
| 51.8 | 70.8 | 116 | ||
| 50.6 | 69.4 | 115 | ||
| 48.4 | 65.8 | 108 | ||
| 46.5 | 63.1 | 102 | ||
| 44.7 | 60.7 | 95.9 | ||
| 43.3 | 59 | 92.5 | ||
| 42 | 57.6 | 89.6 | ||
| 40.8 | 56.6 | 88.8 | ||
| 39.6 | 55.3 | 86.3 |
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 122 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 122.5 | 415.9 | 1,685.2 | |
| February | 177.2 | 578 | 2,180.3 | |
| March | 259.3 | 889.5 | 2,569.4 | |
| April | 224 | 991.9 | 2,762 | |
| May | 21 | 401.9 | 1,733.9 | |
| June | 5.2 | 76.4 | 530.1 | |
| July | 1.8 | 16.1 | 109 | |
| August | 1.5 | 23.4 | 99.9 | |
| September | 3.4 | 45.4 | 150.3 | |
| October | 9.6 | 98.9 | 245.4 | |
| November | 66.3 | 181.8 | 494.3 | |
| December | 101.9 | 301.5 | 1,183.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Umatilla River near Umatilla, OR normally run highest?
- April, on the long-term record. The median daily flow that month is about 991.9 cfs, against 16.1 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Umatilla River near Umatilla, OR?
- It depends on the month. In January, half of days historically fall near 415.9 cfs, with the middle 80% of days between 122.5 and 1,685.2 cfs. The month-by-month table on this page gives the full range.
- How long has Umatilla River near Umatilla, OR been measured?
- Discharge records at USGS site 14033500 begin in 1903, about 123 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 Umatilla River near Umatilla, OR?
- 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. A companion model forecasts each day's water-temperature high and low. 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 Umatilla River near Umatilla, OR?
- The gauge sits at 45.90269, -119.32708, in Oregon, in hydrologic subbasin 17070103, draining roughly 2,290 square miles.
- Can I use Umatilla River near Umatilla, OR 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 Umatilla River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Umatilla River in full.
- Umatilla River above Meacham Creek, near Gibbon, OR 131 sq mi
- Umatilla River at W Reservation Bndy near Pendleton, OR 441 sq mi
- Umatilla River near Umatilla, OR this page