Milk River at Merrill Rd, near Harlem, MT

Gauge details

State

Montana

Drainage area

8,925 sq mi

Gauge elevation

2,342 ft

Subbasin (HUC-8)

10050004

Coordinates

48.52431, -108.85517

USGS site number

06153800

Records begin

2023-04-18 (3 years)

Rivermatics forecast

14-day flow outlook

14-day flow forecast

Based on observations through September 10 for Milk River at Merrill Rd, near Harlem, MT. 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 3 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 Milk River at Merrill Rd, near Harlem, MT normally run highest?

March, on the long-term record. The median daily flow that month is about 622.3 cfs, against 92.1 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.

How long has Milk River at Merrill Rd, near Harlem, MT been measured?

Discharge records at USGS site 06153800 begin in 2023, about 3 years, covering roughly 1,205 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.

Is there a flow forecast for Milk River at Merrill Rd, near Harlem, MT?

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 Milk River at Merrill Rd, near Harlem, MT?

The gauge sits at 48.52431, -108.85517, in Montana, in hydrologic subbasin 10050004, at an elevation of about 2,342 feet, draining roughly 8,925 square miles.

Can I use Milk River at Merrill Rd, near Harlem, MT 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 Milk River

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

• Milk River at Eastern Crossing of Int Bndry 2,452 sq mi
• Milk River at Havre, MT 5,655 sq mi
• Milk River at Merrill Rd, near Harlem, MT this page
• Milk River near Harlem, MT 9,652 sq mi
• Milk River near Dodson, MT 11,134 sq mi
• Milk River at Malta, MT 11,654 sq mi
• Milk River at Juneberg Bridge near Saco, MT 17,691 sq mi
• Milk River at Tampico, MT 21,341 sq mi
• Milk River at Nashua, MT 22,452 sq mi

Other gauges in this subbasin

• Milk River near Harlem, MT
• Milk River near Dodson, MT
• Milk River at Malta, MT
• Milk River at Juneberg Bridge near Saco, MT
• West Fork Beaver Creek near Rocky Boy, MT
• Beaver Creek ab Elk Creek, near Rocky Boy, MT
• Beaver Creek at Reservoir Bndry near Rocky Boy, MT
• Milk River at Havre, MT