Poplar River Flow Today
As of October 6, 2026 at 1:30 AM, the Poplar River is flowing at 27 cfs near Poplar Mount, MT — 81% of normal for the date and down 4% in 24 hours. 2 of 2 USGS gauges reported in the last 3 days; flows range from 3.6 to 27 cfs. ❤ Favorite
Poplar River map
See the Poplar River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
- Dams & paddle runs — storage and what’s in range
- Rain — past 24 hrs and the 72-hr forecast, press play
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Poplar River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Poplar Mount, the Poplar River is running 27 cfs — 81% of normal, down 4% since yesterday. Along the river, 1 of 2 reporting gauges are near normal (the typical gauge is at 91% of normal).
How the Poplar River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- International Boundary2,465 ft 3.6 cfs100%
- Poplar Mount1,960 ft 27 cfs81%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Poplar River streamgauge, placed by its own percent of normal. The line is the typical gauge (91%).
Poplar River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Poplar River At International Boundary MT
Oct 6, 1:15 AM · USGS 06178000 |
3.6 cfs | 100% | 0% | 2.43 ft | · | 2,465 ft |
|
Poplar River Near Poplar Mount MT
Oct 6, 1:30 AM · USGS 06181000 |
27 cfs | 81% | -4% | 7.06 ft | 8.9 ft below | 1,960 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Poplar River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Poplar River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Fishing near the Poplar River
About the Poplar River
How is the Poplar River flowing right now?
As of October 6, 2026, the Poplar River is flowing at 27 cfs near Poplar Mount, MT, about 81% of normal for the date. Across its 2 USGS gauges, current flows range from 3.6 to 27 cfs. Every gauge’s live reading is in the table above.
Is the Poplar River running high or low?
The typical gauge on the Poplar River is at 91% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Poplar River?
The National Weather Service sets flood stages for Poplar Mount (16.0 ft). The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.