St. Regis River Near St. Regis Flow Report
As of August 4, 2026, St. Regis River Near St. Regis is flowing at 102 cfs with a gage height of 1.81 ft. Source: USGS gauge #12354000, refreshed throughout the day.
Historical Data
St. Regis River Near St. Regis at a glance
How St. Regis River Near St. Regis is running right now, where it sits on the map, and the key gauge stats.
St. Regis River Near St. Regis is flowing at 102 cfs, with the water sitting 1.81 ft at the gage.
This is USGS gauge #12354000 in Montana. Over the past 10 days the average has been 109 cfs, peaking at 117 cfs.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Montana flow report.
Engineering Data
Flow-duration statistics and observed peak-flow context computed from this gauge’s complete daily record (USGS #12354000).
Estimate flows at an ungauged site
Drainage-area ratio transfer from this gauge . Most reliable for hydrologically similar sites in the same watershed with area ratios between roughly 0.5 and 1.5.
Percentiles are flow-duration values computed from this gauge’s observed daily record as archived by Snoflo. Return periods are Weibull plotting-position estimates from observed annual maxima, provided as general reference context only. Always verify against official USGS NWIS records. Part of Snoflo for Engineering.
Streamflow Forecast
Over the next 5 days, St. Regis River Near St. Regis is expected to hold near today's 102 cfs, toward roughly 97 cfs by 2026-08-09 (likely range 67-139 cfs) -- running well below the seasonal normal.
Powered by PULSE — Snoflo’s forecast engine, trained on this gauge’s full record of storms, snowmelt, and dry spells.
| Date | Expected (p50) | Likely range (p25–p75) | vs normal | Projected stage |
|---|
How does this compare to past years?
Year-over-year overlay, annual peak discharge, the full distribution of daily flows on record, and the gauge's rating curve.
Weather Forecast
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day forecast
Daily temperatures, snow, and rain projected over the next two weeks.
St. Regis River Near St. Regis
Regis River, located near St. Regis, MT, is a streamgauge that measures the water flow in the river. The river's flow is influenced by precipitation, snowmelt, and groundwater. The river has several tributaries that contribute to its flow, including the West Fork St. Regis River and Big Beaver Creek. There are no major dams on the river, but smaller diversion dams are present. The river's flow is typically highest during the spring and early summer months due to snowmelt. Interestingly, the St. Regis River is known for its excellent trout fishing, and it is a popular spot for recreational activities like hiking and camping.
Nearby streamflow levels
Cross-check St. Regis River Near St. Regis's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| St. Regis River Near St. Regis | 102 cfs |
| Clark Fork At St. Regis Mount | 2,960 cfs |
| Clark Fork Near Plains Mount | 10,100 cfs |
| St. Joe River At Red Ives Ranger Station Id | 95 cfs |
| Thompson River Near Thompson Falls Mount | 194 cfs |
| Prospect Creek At Thompson Falls Mount | 68 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near St. Regis River Near St. Regis. Spring snowmelt is the dominant driver of streamflow in mountain basins -- a deep snowpack upstream means more runoff later in the season.
| SNOTEL station | Snowpack |
|---|---|
| Hoodoo Basin | 0 in |
| Nohrsc Hoodoo Basin | 0 in |
| Nohrsc Lookout | 0 in |
| Lookout | 0 in |
| Nohrsc Humboldt Gulch | 0 in |
| Humboldt Gulch | 0 in |
Plan a trip
Reservoirs, boat launches, river runs, and fishing spots within driving distance of St. Regis River Near St. Regis.
Boat launches
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River runs
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River levels & flood safety
- Read the level before you go
- A river that's runnable at one flow can be deadly at another. Check current discharge and gage height — like the values shown above — against the flood-stage thresholds, and remember levels can spike fast after rain or a dam release.
- Respect cold water
- Snowmelt rivers run cold even in summer. Sudden immersion triggers cold-water shock and saps strength within minutes. Wear a PFD, dress for the water temperature (not the air), and never wade or paddle alone.
- Watch for swiftwater hazards
- Strainers (downed trees), undercut rocks, and low-head dams are the deadliest features on moving water. High, fast, muddy water hides them. If in doubt, scout from shore and portage.
- Mind flash floods & releases
- Narrow canyons can flood from a storm miles upstream, and dam-controlled reaches can rise without warning. Know the forecast, the release schedule, and your exit before you launch.
Track St. Regis River Near St. Regis in the Snoflo app
Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when St. Regis River Near St. Regis crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About St. Regis River Near St. Regis
What is the St. Regis River Near St. Regis flow rate right now?
As of August 4, 2026, St. Regis River Near St. Regis is flowing at 102 cfs. The live value, gage height, and 24-hour trend are shown at the top of this page.
Is the St. Regis River Near St. Regis running high or low right now?
Check the percent of median figure on this page: above 100% means St. Regis River Near St. Regis is running higher than normal for the date, below 100% means lower. The 24-hour trend shows whether it's rising or falling.
Where does the streamflow data for St. Regis River Near St. Regis come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 12354000. Snoflo refreshes the time series throughout the day. Forecasts come from the NOAA / yr.no feed Snoflo's iOS app uses.
How often is the report updated?
USGS gauges report continuously (typically every 15 minutes). Snoflo pulls fresh values throughout the day — look for the "as of" timestamp on the streamflow hero card.
What's the difference between discharge and gage height?
Discharge (cubic feet per second, or cfs) is the volume of water flowing past the gauge each second. Gage height is how high the water sits at the gauge (feet). They're related by a rating curve specific to each gauge — higher water means more flow, but the exact ratio depends on channel shape.
How is "percent of median" calculated?
Today's discharge is compared to the historical median discharge on this calendar day across the gauge's full record. 100% = right on median; 200% = a very high year; 30% = a drought-level low.
What are flood stages, and is this river safe right now?
Flood stages are NWS-defined gage-height thresholds — Action, Minor, Moderate, Major — marking when nearby roads or floodplains start to be affected. "Safe" depends on your activity and skill: a level that's a fun paddle for an expert can be lethal for a wader. Always check the current level against the thresholds above and the safety links, and when in doubt, stay off the water.
Can I get alerts when St. Regis River Near St. Regis rises?
Yes — flow alerts are managed in the Snoflo iOS app. Favorite this gauge, set a streamflow threshold (e.g. "alert me when discharge crosses 5,000 cfs"), and you'll get a push the moment USGS reports the crossing.
Access the free St. Regis River Near St. Regis report
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