Green River Near Great Barrington flow report
As of July 16, 2026, Green River Near Great Barrington is flowing at 14 cfs with a gage height of 0.71 ft, holding steady over the past 24 hours. Source: USGS gauge #01198000, refreshed throughout the day.
Historical Data
Green River Near Great Barrington at a glance
How Green River Near Great Barrington is running right now, where it sits on the map, and the key gauge stats.
Green River Near Great Barrington is flowing at 14 cfs, with the water sitting 0.71 ft at the gage. Flow has held roughly steady over the past 24 hours.
This is USGS gauge #01198000 in Massachusetts. Over the past 10 days the average has been 22 cfs, peaking at 54 cfs.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Massachusetts flow report.
Engineering Data
Flow-duration statistics and observed peak-flow context computed from this gauge’s complete daily record (USGS #01198000).
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, Green River Near Great Barrington is expected to hold near today's 14 cfs, toward roughly 15 cfs by 2026-07-20 (likely range 4-57 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.
Green River Near Great Barrington
The river is fed by several small streams and tributaries, and also receives water from the Green River Reservoir. The flow of the river is influenced by seasonal rainfall and snowmelt, with the highest flow typically occurring in the spring months. There are several dams along the river, including the Rising Pond Dam and the Green River Dam. Interestingly, the Green River is known for being a popular spot for fly fishing, with the river being stocked with trout each year.
Nearby streamflow levels
Cross-check Green River Near Great Barrington's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| Green River Near Great Barrington | 14 cfs |
| Housatonic River Near Great Barrington | 170 cfs |
| Housatonic River Nr Ashley Falls | 239 cfs |
| Housatonic River At Falls Village | 305 cfs |
| Salmon Creek At Lime Rock | 9 cfs |
| West Branch Farmington River Near New Boston | 24 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near Green River Near Great Barrington. 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 |
|---|---|
| Stockbridge | 0 in |
| Canaan 4.2 Ese | 0 in |
| Chatham 0.7 Sw | 0 in |
| East Otis | 0 in |
| Nohrsc Norfolk | 0 in |
| Colebrook 1.0 Ne | 0 in |
Plan a trip
Reservoirs, boat launches, river runs, and fishing spots within driving distance of Green River Near Great Barrington.
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 Green River Near Great Barrington in the Snoflo app
Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Green River Near Great Barrington crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About Green River Near Great Barrington
Where does the streamflow data for Green River Near Great Barrington come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 01198000. 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 Green River Near Great Barrington 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 Green River Near Great Barrington report
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