Rio San Jose Near Grants Flow Report
As of July 16, 2026, Rio San Jose Near Grants is flowing at 2 cfs with a gage height of 1.89 ft. Source: USGS gauge #08343500, refreshed throughout the day.
Historical Data
Rio San Jose Near Grants at a glance
How Rio San Jose Near Grants is running right now, where it sits on the map, and the key gauge stats.
Rio San Jose Near Grants is flowing at 2 cfs, with the water sitting 1.89 ft at the gage.
This is USGS gauge #08343500 in New Mexico. Over the past 10 days the average has been 1 cfs, peaking at 2 cfs.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the New Mexico flow report.
Engineering Data
Flow-duration statistics and observed peak-flow context computed from this gauge’s complete daily record (USGS #08343500).
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, Rio San Jose Near Grants is expected to rise from today's 2 cfs, toward roughly 2 cfs by 2026-07-21 (likely range 1-3 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.
Rio San Jose Near Grants
The river is largely fed by snowmelt and monsoonal rains, resulting in a highly seasonal flow with peak flows typically occurring in late spring or early summer. There are no major dams on the river, but there are several smaller diversions for irrigation and livestock watering. The hydrology of the San Jose River is influenced by the surrounding geology, which is largely composed of sandstone and shale formations. While there are no particularly quirky or interesting facts about the river, it is an important water source for local communities and wildlife.
Nearby streamflow levels
Cross-check Rio San Jose Near Grants's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| Rio San Jose Near Grants | 2 cfs |
| Rio Nutria Near Ramah | 0 cfs |
| Arroyo Chico Nr Guadalupe | 0 cfs |
| Rio Puerco Abv Arroyo Chico Nr Guadalupe | 2 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near Rio San Jose Near Grants. 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 |
|---|---|
| Nohrsc Prewitt 5.5 Nne | 0 in |
| Rice Park | 1 in |
| Nohrsc Rice Park | 1 in |
| Nohrsc Ramah 3.1 Ene | 0 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 Rio San Jose Near Grants in the Snoflo app
Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Rio San Jose Near Grants crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About Rio San Jose Near Grants
Where does the streamflow data for Rio San Jose Near Grants come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 08343500. 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 Rio San Jose Near Grants 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 Rio San Jose Near Grants report
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