Rivermatics

USGS Streamgage 14148000

MF Willamette River below N Fork, near Oakridge, OR

MF Willamette River below N Fork, near Oakridge, OR is USGS streamgage 14148000 in Oregon, monitoring river discharge in hydrologic subbasin 17090001. It sits on the Mf Willamette River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 924 square miles. Discharge records at this site go back to 1890. Typical flow runs near 1,153.9 cfs in July and 3,335.7 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
924 sq mi
Subbasin (HUC-8)
17090001
Coordinates
43.80124, -122.56089
USGS site number
14148000
Records begin
1890-02-01 (136 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for MF Willamette River below N Fork, near Oakridge, 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.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
720 742 762
720 751 790
718 762 848
706 757 863
697 750 855
688 743 851
677 737 850
669 733 853
666 734 866
659 731 868
651 728 859
651 728 879
647 726 865
648 728 891

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 115 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 1,458.1 3,487.7 8,685.2
February 1,458.6 2,770.7 6,975.5
March 1,539 2,720 5,936.5
April 1,776.3 3,335.7 5,700.3
May 1,677.7 3,315.2 5,486.1
June 1,158.8 2,219.7 4,526
July 787.7 1,153.9 1,882.3
August 663.7 928.3 1,741.3
September 604.6 1,089.6 1,979
October 626.4 1,307.7 2,329.7
November 885.3 2,347.7 5,788
December 1,160.6 3,132.6 8,988.7

All values in cubic feet per second (cfs).

Common questions

When does MF Willamette River below N Fork, near Oakridge, OR normally run highest?
January, on the long-term record. The median daily flow that month is about 3,487.7 cfs, against 928.3 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for MF Willamette River below N Fork, near Oakridge, OR?
It depends on the month. In January, half of days historically fall near 3,487.7 cfs, with the middle 80% of days between 1,458.1 and 8,685.2 cfs. The month-by-month table on this page gives the full range.
How long has MF Willamette River below N Fork, near Oakridge, OR been measured?
Discharge records at USGS site 14148000 begin in 1890, about 136 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 MF Willamette River below N Fork, near Oakridge, 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 MF Willamette River below N Fork, near Oakridge, OR?
The gauge sits at 43.80124, -122.56089, in Oregon, in hydrologic subbasin 17090001, draining roughly 924 square miles.
Can I use MF Willamette River below N Fork, near Oakridge, 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 Mf Willamette River

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

Other gauges in this subbasin