USGS Streamgage 14034608
Willow Creek at Morgan Street, at Heppner, OR
Willow Creek at Morgan Street, at Heppner, OR is USGS streamgage 14034608 in Oregon, monitoring river discharge in hydrologic subbasin 17070104. It sits on the Willow Creek, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 147 square miles. Discharge records at this site go back to 2007. Typical flow runs near 17.2 cfs in July and 38.4 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
- Oregon
- Drainage area
- 147 sq mi
- Subbasin (HUC-8)
- 17070104
- Coordinates
- 45.36124, -119.5603
- USGS site number
- 14034608
- Records begin
- 2007-10-01 (19 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Willow Creek at Morgan Street, at Heppner, 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 |
|---|---|---|---|---|
| 9.1 | 10.1 | 11.1 | ||
| 8.3 | 9.8 | 11.2 | ||
| 8.1 | 10.1 | 13.5 | ||
| 7.9 | 10.1 | 13.8 | ||
| 7.5 | 9.8 | 13.1 | ||
| 7 | 9.6 | 12.6 | ||
| 6.9 | 9.5 | 12.6 | ||
| 6.5 | 9.3 | 12.3 | ||
| 5.9 | 9 | 12 | ||
| 5.7 | 8.9 | 12 | ||
| 5.3 | 8.8 | 11.9 | ||
| 4.9 | 8.6 | 11.9 | ||
| 4 | 8.4 | 11.9 | ||
| 3.5 | 8.2 | 11.9 |
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 19 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 | 2.8 | 5.8 | 100 | |
| February | 3.2 | 6.5 | 50.9 | |
| March | 4.6 | 20.6 | 98.1 | |
| April | 13 | 38.4 | 228.9 | |
| May | 13.7 | 30.7 | 163.5 | |
| June | 10.1 | 19.7 | 167.8 | |
| July | 5.2 | 17.2 | 24.5 | |
| August | 10.4 | 16.1 | 21.5 | |
| September | 4.5 | 10 | 15.7 | |
| October | 0.9 | 4.3 | 9.1 | |
| November | 1.4 | 3.7 | 19.4 | |
| December | 1.6 | 3.9 | 12.6 |
All values in cubic feet per second (cfs).
Common questions
- When does Willow Creek at Morgan Street, at Heppner, OR normally run highest?
- April, on the long-term record. The median daily flow that month is about 38.4 cfs, against 3.7 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Willow Creek at Morgan Street, at Heppner, OR?
- It depends on the month. In January, half of days historically fall near 5.8 cfs, with the middle 80% of days between 2.8 and 100 cfs. The month-by-month table on this page gives the full range.
- How long has Willow Creek at Morgan Street, at Heppner, OR been measured?
- Discharge records at USGS site 14034608 begin in 2007, about 19 years, covering roughly 6,884 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Willow Creek at Morgan Street, at Heppner, 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. 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 Willow Creek at Morgan Street, at Heppner, OR?
- The gauge sits at 45.36124, -119.5603, in Oregon, in hydrologic subbasin 17070104, draining roughly 147 square miles.
- Can I use Willow Creek at Morgan Street, at Heppner, 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 Willow Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Willow Creek in full.
- Willow Creek above Willow Creek Lake, near Heppner, OR 68 sq mi
- Willow Creek at Heppner, OR 97 sq mi
- Willow Creek at Morgan Street, at Heppner, OR this page