No Santiam River Below Boulder Creek Flow Report
As of July 26, 2026, No Santiam River Below Boulder Creek is flowing at 401 cfs with a gage height of 2.68 ft, holding steady over the past 24 hours. Source: USGS gauge #14178000, refreshed throughout the day.
Historical Data
No Santiam River Below Boulder Creek at a glance
How No Santiam River Below Boulder Creek is running right now, where it sits on the map, and the key gauge stats.
No Santiam River Below Boulder Creek is flowing at 401 cfs, with the water sitting 2.68 ft at the gage. Flow has held roughly steady over the past 24 hours.
This is USGS gauge #14178000 in Oregon. Over the past 10 days the average has been 407 cfs, peaking at 430 cfs.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Oregon flow report.
Engineering Data
Flow-duration statistics and observed peak-flow context computed from this gauge’s complete daily record (USGS #14178000).
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, No Santiam R Blw Boulder Crk is expected to hold near today's 405 cfs, toward roughly 391 cfs by 2026-07-30 (likely range 315-486 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.
No Santiam River Below Boulder Creek
The gauge typically measured water levels in the Santiam River downstream from Boulder Creek, which is a significant tributary. There are no major dams on this section of the river, and seasonal trends in flow vary based on precipitation and snowmelt. While there are no quirky or interesting facts about the hydrology of this specific location, the Santiam River is an important water source for irrigation and hydroelectric power generation in the surrounding area. Understanding the flow of the river is crucial for managing water resources and protecting ecosystems.
Nearby streamflow levels
Cross-check No Santiam River Below Boulder Creek's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| No Santiam River Below Boulder Creek | 401 cfs |
| Breitenbush River Above French Creek Near Detroit | 120 cfs |
| Blowout Creek Near Detroit | 6 cfs |
| North Santiam River At Niagara | 990 cfs |
| Schafer Creek Near Lacomb | 0 cfs |
| Quartzville Creek Near Cascadia | 24 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near No Santiam River Below Boulder Creek. 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 |
|---|---|
| Little Meadows | 0 in |
| Little Meadows | 0 in |
| Nohrsc Marion Forks | 0 in |
| Marion Forks | 0 in |
| Daly Lake | 0 in |
| Santiam Jct. | 1 in |
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 No Santiam River Below Boulder Creek in the Snoflo app
Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when No Santiam River Below Boulder Creek crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About No Santiam River Below Boulder Creek
What is the No Santiam River Below Boulder Creek flow rate right now?
As of July 26, 2026, No Santiam River Below Boulder Creek is flowing at 401 cfs. The live value, gage height, and 24-hour trend are shown at the top of this page.
Is the No Santiam River Below Boulder Creek running high or low right now?
Check the percent of median figure on this page: above 100% means No Santiam River Below Boulder Creek 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 No Santiam River Below Boulder Creek come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 14178000. 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 No Santiam River Below Boulder Creek 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 No Santiam River Below Boulder Creek report
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