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Water report · Gallatin River

Gallatin River conditions

Water report·near Gallatin Gateway55 min ago
365CFSLow

Running low for mid September. Above 11% of past September 13s on record.

Updated 1:00 AM UTC, Sep 13

1.40 ftgage

Gallatin River flow history

Aug 12typical 487 to 732 cfs
424cfs

Press and drag the chart to read past days

Aug 6Aug 9Aug 12
Aug 12typical 487 to 732 cfs
424cfs

Press and drag the chart to read past days

Jul 14Jul 28Aug 12
Aug 12typical 487 to 732 cfs
424cfs

Press and drag the chart to read past days

May 15Jun 28Aug 12
Aug 12typical 487 to 732 cfs
424cfs

Press and drag the chart to read past days

Sep 12Feb 26Aug 12

What this means

365 cfs puts Gallatin River in the 11th percentile for September 13, against 97 years of record.

The median for this date is 470 cfs, and half of all September 13s on record fell between 405 and 560.

Over the last 7 days, Gallatin River ran between 424 and 466 cfs, lowest on Aug 12 and highest on Aug 6.

That is 42.0 cfs lower than on Aug 6.

Over the last 30 days, Gallatin River ran between 424 and 876 cfs, lowest on Aug 12 and highest on Jul 18.

That is 308 cfs lower than on Jul 14.

Over the last 90 days, Gallatin River ran between 424 and 2,760 cfs, lowest on Aug 12 and highest on May 31.

That is 1,510 cfs lower than on May 15.

Over the last 12 months, Gallatin River ran between 223 and 2,760 cfs, lowest on Jan 24 and highest on May 31.

That is 36.0 cfs higher than on Sep 12.

On this water

No member has posted conditions here lately. The gauge says what the water is doing; an angler who was standing in it says what that felt like.

Post a report

USGS monitoring location 06043500, Gallatin River near Gallatin Gateway, MT, 6.6 miles from the center of Gallatin River. Provisional data, subject to revision. Values refresh every 30 minutes. Gauge readings describe the river at that point; conditions upstream and downstream will differ.

About this gauge

Readings come from USGS monitoring location 06043500, Gallatin River near Gallatin Gateway, MT, 6.6 miles from the center of Gallatin River. It reports gage height and discharge. Values refresh every 30 minutes and are provisional until the agency reviews them. Gauge readings describe the river at that point; conditions upstream and downstream will differ.

Gallatin River fishing records

The gauge is half the picture. The other half is what came out of the water: verified catches, the current record, and the anglers holding it.

See the Gallatin River record book

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