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NWS / NWPSSite ID: GTBM3active

NWS / NWPS GTBM3

Housatonic River at Great Barrington

Housatonic River • Berkshire • MA

Latest public reading349 cfsObserved May 13, 2026 at 11:30 PM CDT
TrendRisingForecast available
Data freshness StaleObservation 2919 minutes old
Flood contextNo source flood categoryFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Hourly readings and linked forecast values

Observed Forecast

Stage and discharge chart includes 2 observed points and 4 forecast points.

Line chart: Observed, Forecast00.511.522.506-17 06:3006-21 18:0006-22 06:0006-22 12:00
Data series

Flood-stage context

Source-published thresholds where available

Action7 ftSource-backed threshold
Minor flood9 ftSource-backed threshold
Moderate flood10 ftSource-backed threshold
Major flood12 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

HGIFF • stage1.8 ftValid Jun 21, 2026 at 1:00 PM CDT
HGIFF • stage1.8 ftValid Jun 21, 2026 at 7:00 PM CDT
HGIFF • stage1.8 ftValid Jun 22, 2026 at 1:00 AM CDT
HGIFF • stage1.8 ftValid Jun 22, 2026 at 7:00 AM CDT

Observations

Stage

2.06 ft

Observed Jun 19, 2026 at 11:30 AM CDT

Stage

2.03 ft

Observed Jun 17, 2026 at 1:30 AM CDT

Alerts

Alerts unavailable

Alerts are shown only when the API returns a source-backed match.

Official public sources

Readings and thresholds stay tied to USGS, NOAA/NWS, or source-backed records.

Source freshness

Observed and fetched timestamps are shown separately when the API returns them.

Transparent methodology

Unavailable forecasts, alerts, and thresholds are shown as unavailable states.