Methow River at Winthrop, WA

Gauge details

State

Washington

Drainage area

1,007 sq mi

Gauge elevation

1,731 ft

Subbasin (HUC-8)

17020008

Coordinates

48.47348, -120.17731

USGS site number

12448500

Records begin

1912-01-01 (114 years)

Rivermatics forecast

14-day flow outlook

14-day flow forecast

Based on observations through September 10 for Methow River at Winthrop, WA. 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.

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 114 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

All values in cubic feet per second (cfs).

Common questions

When does Methow River at Winthrop, WA normally run highest?

May, on the long-term record. The median daily flow that month is about 4,142.3 cfs, against 236.4 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.

What is a normal flow for Methow River at Winthrop, WA?

It depends on the month. In January, half of days historically fall near 258.3 cfs, with the middle 80% of days between 188 and 435 cfs. The month-by-month table on this page gives the full range.

How long has Methow River at Winthrop, WA been measured?

Discharge records at USGS site 12448500 begin in 1912, about 114 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 Methow River at Winthrop, WA?

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 Methow River at Winthrop, WA?

The gauge sits at 48.47348, -120.17731, in Washington, in hydrologic subbasin 17020008, at an elevation of about 1,731 feet, draining roughly 1,007 square miles.

Can I use Methow River at Winthrop, WA 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 Methow River

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

• Methow River above Goat Creek near Mazama, WA 373 sq mi
• Methow River at Winthrop, WA this page
• Methow River at Twisp, WA 1,301 sq mi
• Methow River near Pateros, WA 1,772 sq mi
• Methow River at Pateros, WA 1,810 sq mi
• Methow River near Mouth near Pateros, WA

Other gauges in this subbasin

• Twisp River near Twisp, WA
• Methow River at Twisp, WA
• Methow River near Pateros, WA
• Methow River near Mouth near Pateros, WA
• Methow River at Pateros, WA
• Methow River above Goat Creek near Mazama, WA
• Andrews Creek near Mazama, WA
• Chewuch River at Winthrop, WA