Rivermatics

USGS Streamgage 06091700

Two Medicine River below South Fork near Browning, MT

Two Medicine River below South Fork near Browning, MT is USGS streamgage 06091700 in Montana, monitoring river discharge in hydrologic subbasin 10030201. It sits on the Two Medicine River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 250 square miles. Discharge records at this site go back to 1977. Typical flow runs near 293.7 cfs in July and 389.1 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.

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Gauge details

State
Montana
Drainage area
250 sq mi
Gauge elevation
4,159 ft
Subbasin (HUC-8)
10030201
Coordinates
48.42695, -112.98998
USGS site number
06091700
Records begin
1977-04-28 (49 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Two Medicine River below South Fork near Browning, 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.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
99.6 119 153
101 135 210
78.3 112 171
77.1 113 165
69.3 105 152
57.8 98.6 142
51.5 94.5 137
50.4 93.2 134
45.8 89.1 130
41.9 85.6 126
41.4 84.8 125
34 78.6 120
29.5 74.2 117
26 70.1 114

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 49 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 24.6 50.8 112.3
February 27.9 54.3 153.2
March 40.5 103.7 345
April 160.8 389.1 913.7
May 508.4 1,014.5 2,038.4
June 434.3 870.5 1,889.7
July 195 293.7 589.3
August 106.6 169 232.9
September 36.4 89.6 184.2
October 22.5 54.1 170.5
November 21.7 62.2 294.3
December 22.5 50.8 174.4

All values in cubic feet per second (cfs).

Common questions

When does Two Medicine River below South Fork near Browning, MT normally run highest?
May, on the long-term record. The median daily flow that month is about 1,014.5 cfs, against 50.8 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Two Medicine River below South Fork near Browning, MT?
It depends on the month. In January, half of days historically fall near 50.8 cfs, with the middle 80% of days between 24.6 and 112.3 cfs. The month-by-month table on this page gives the full range.
How long has Two Medicine River below South Fork near Browning, MT been measured?
Discharge records at USGS site 06091700 begin in 1977, about 49 years, covering roughly 8,822 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Two Medicine River below South Fork near Browning, 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 Two Medicine River below South Fork near Browning, MT?
The gauge sits at 48.42695, -112.98998, in Montana, in hydrologic subbasin 10030201, at an elevation of about 4,159 feet, draining roughly 250 square miles.
Can I use Two Medicine River below South Fork near Browning, 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 Two Medicine River

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

Other gauges in this subbasin