Musselshell River ab Big Coulee Creek at Lavina, MT

Gauge details

State

Montana

Drainage area

2,691 sq mi

Gauge elevation

3,423 ft

Subbasin (HUC-8)

10040201

Coordinates

46.28906, -108.93761

USGS site number

06125600

Records begin

2012-04-01 (14 years)

Rivermatics forecast

14-day flow outlook

14-day flow forecast

Based on observations through September 10 for Musselshell River ab Big Coulee Creek at Lavina, 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 14 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Only 9 of 12 months have enough record to summarize; the rest are omitted.

All values in cubic feet per second (cfs).

Common questions

When does Musselshell River ab Big Coulee Creek at Lavina, MT normally run highest?

June, on the long-term record. The median daily flow that month is about 273.1 cfs, against 24.5 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 Musselshell River ab Big Coulee Creek at Lavina, MT?

It depends on the month. In April, half of days historically fall near 63.8 cfs, with the middle 80% of days between 17.7 and 741.2 cfs. The month-by-month table on this page gives the full range.

How long has Musselshell River ab Big Coulee Creek at Lavina, MT been measured?

Discharge records at USGS site 06125600 begin in 2012, about 14 years, covering roughly 3,137 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.

Is there a flow forecast for Musselshell River ab Big Coulee Creek at Lavina, 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 Musselshell River ab Big Coulee Creek at Lavina, MT?

The gauge sits at 46.28906, -108.93761, in Montana, in hydrologic subbasin 10040201, at an elevation of about 3,423 feet, draining roughly 2,691 square miles.

Can I use Musselshell River ab Big Coulee Creek at Lavina, 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 Musselshell River

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

• Musselshell River near Martinsdale, MT 537 sq mi
• Musselshell River at Harlowton, MT 1,108 sq mi
• Musselshell River ab Mud Creek near Shawmut, MT 1,518 sq mi
• Musselshell River ab Big Coulee Creek at Lavina, MT this page
• Musselshell River near Roundup, MT 3,998 sq mi
• Musselshell River at Musselshell, MT 4,534 sq mi
• Musselshell River at Mosby, MT 7,784 sq mi

Other gauges in this subbasin

• Musselshell River near Martinsdale, MT
• Musselshell River at Harlowton, MT
• Musselshell River ab Mud Creek near Shawmut, MT