USGS Streamgage 14150000
Middle Fork Willamette River near Dexter, OR
Middle Fork Willamette River near Dexter, OR is USGS streamgage 14150000 in Oregon, monitoring river discharge in hydrologic subbasin 17090001. It sits on the Middle Fork Willamette River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 1,001 square miles. Discharge records at this site go back to 1946. Typical flow runs near 1,692.3 cfs in July and 1,826.3 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
- 1,001 sq mi
- Subbasin (HUC-8)
- 17090001
- Coordinates
- 43.94568, -122.8373
- USGS site number
- 14150000
- Records begin
- 1946-10-01 (80 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Middle Fork Willamette River near Dexter, 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 |
|---|---|---|---|---|
| 1,630 | 1,665 | 1,694 | ||
| 1,608 | 1,669 | 1,786 | ||
| 1,594 | 1,679 | 1,899 | ||
| 1,583 | 1,675 | 2,105 | ||
| 1,572 | 1,678 | 2,198 | ||
| 1,560 | 1,678 | 2,236 | ||
| 1,551 | 1,681 | 2,253 | ||
| 1,547 | 1,689 | 2,273 | ||
| 1,539 | 1,693 | 2,289 | ||
| 1,536 | 1,701 | 2,412 | ||
| 1,533 | 1,709 | 2,485 | ||
| 1,530 | 1,715 | 2,441 | ||
| 1,533 | 1,731 | 2,483 | ||
| 1,525 | 1,734 | 2,534 |
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 80 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 | 1,382.9 | 3,749 | 10,120 | |
| February | 1,137.6 | 1,544.8 | 7,575.2 | |
| March | 1,133.2 | 1,356.1 | 5,185.2 | |
| April | 1,125.7 | 1,826.3 | 5,416 | |
| May | 1,184.8 | 3,020.6 | 5,528.7 | |
| June | 1,203.3 | 2,380.3 | 4,757.7 | |
| July | 1,182.3 | 1,692.3 | 2,598.1 | |
| August | 1,088.4 | 1,952.9 | 2,832.3 | |
| September | 1,146.3 | 2,152.3 | 3,478.3 | |
| October | 1,241.6 | 2,447.4 | 3,846.1 | |
| November | 1,408.7 | 3,721 | 7,394.3 | |
| December | 1,363.2 | 3,720 | 10,384.8 |
All values in cubic feet per second (cfs).
Common questions
- When does Middle Fork Willamette River near Dexter, OR normally run highest?
- January, on the long-term record. The median daily flow that month is about 3,749 cfs, against 1,356.1 cfs in March, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Middle Fork Willamette River near Dexter, OR?
- It depends on the month. In January, half of days historically fall near 3,749 cfs, with the middle 80% of days between 1,382.9 and 10,120 cfs. The month-by-month table on this page gives the full range.
- How long has Middle Fork Willamette River near Dexter, OR been measured?
- Discharge records at USGS site 14150000 begin in 1946, about 80 years, covering roughly 9,201 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Middle Fork Willamette River near Dexter, 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 Middle Fork Willamette River near Dexter, OR?
- The gauge sits at 43.94568, -122.8373, in Oregon, in hydrologic subbasin 17090001, draining roughly 1,001 square miles.
- Can I use Middle Fork Willamette River near Dexter, 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 Middle Fork Willamette River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Middle Fork Willamette River in full.
- Middle Fork Willamette River near Oakridge, OR 264 sq mi
- Middle Fork Willamette River near Dexter, OR this page
- Middle Fork Willamette River at Jasper, OR 1,340 sq mi
Other gauges in this subbasin
- Fall Creek above Tiller Creek, near Lowell, OR
- Fall Creek above North Fork, near Lowell, OR
- Winberry Creek near Lowell, OR
- Fall Creek below Winberry Creek, near Fall Creek, OR
- Middle Fork Willamette River at Jasper, OR
- MF Willamette River below Mac Creek near Oakridge, OR
- MF Willamette River above Snake Creek, near Oakridge, OR
- Middle Fork Willamette River near Oakridge, OR