Rivermatics

USGS Streamgage 06026210

Big Hole River near Glen, MT

Big Hole River near Glen, MT is USGS streamgage 06026210 in Montana, monitoring river discharge in hydrologic subbasin 10020004. It sits on the Big Hole River, alongside 6 other gauges Rivermatics tracks on the same river. It drains a watershed of about 2,668 square miles. Discharge records at this site go back to 1997. Typical flow runs near 813.2 cfs in July and 1,229.8 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.

View live conditions & forecast →

Gauge details

State
Montana
Drainage area
2,668 sq mi
Gauge elevation
4,844 ft
Subbasin (HUC-8)
10020004
Coordinates
45.44009, -112.55609
USGS site number
06026210
Records begin
1997-09-11 (29 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Big Hole River near Glen, 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
225 241 258
213 234 257
205 228 255
198 224 254
193 220 253
192 222 264
193 229 279
190 228 285
187 228 295
186 231 311
181 228 320
176 224 318
175 228 358
173 238 469

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 28 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 — 347.2 —
February — 330.1 —
March 355.8 469.9 1,214.5
April 541.6 1,229.8 2,440.7
May 1,086 2,563.2 5,401.9
June 1,316.1 2,895.7 6,092
July 370.9 813.2 1,879
August 162.4 279.7 590.2
September 182.3 293.9 488.8
October 307.8 484.4 645
November — 429.3 —
December — 371 —

All values in cubic feet per second (cfs).

Common questions

When does Big Hole River near Glen, MT normally run highest?
June, on the long-term record. The median daily flow that month is about 2,895.7 cfs, against 279.7 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 Big Hole River near Glen, MT?
It depends on the month. In March, half of days historically fall near 469.9 cfs, with the middle 80% of days between 355.8 and 1,214.5 cfs. The month-by-month table on this page gives the full range.
How long has Big Hole River near Glen, MT been measured?
Discharge records at USGS site 06026210 begin in 1997, about 29 years, covering roughly 6,417 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Big Hole River near Glen, 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 Big Hole River near Glen, MT?
The gauge sits at 45.44009, -112.55609, in Montana, in hydrologic subbasin 10020004, at an elevation of about 4,844 feet, draining roughly 2,668 square miles.
Can I use Big Hole River near Glen, 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 Big Hole River

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

Other gauges in this subbasin