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NWS / NWPSSite ID: BTBC2active

NWS / NWPS BTBC2

Big Thompson River (CO) below Lake Estes

Big Thompson River (CO) • Larimer • CO

Latest public reading1.62 ftObserved Jun 21, 2026 at 1:05 PM CDT
TrendRisingNo forecast linked
Data freshness DelayedObservation 42 minutes old
Flood contextNo source flood categoryFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed

Stage and discharge chart includes 17 observed points.

Line chart: Observed00.511.522026-05-142026-05-282026-06-21
Data series

Flood-stage context

Source-published thresholds where available

Action6 ftSource-backed threshold
Minor flood6.5 ftSource-backed threshold
Moderate flood7 ftSource-backed threshold
Major flood8 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

Forecast unavailable

Forecasts are not available for this gauge in RiverStat.us launch sources.

Observations

stage

1.62 ft

Observed Jun 20, 2026 at 7:00 PM CDT

stage

1.64 ft

Observed Jun 13, 2026 at 7:00 PM CDT

stage

1.61 ft

Observed Jun 3, 2026 at 7:00 PM CDT

stage

1.68 ft

Observed May 30, 2026 at 7:00 PM CDT

stage

1.66 ft

Observed May 29, 2026 at 7:00 PM CDT

stage

1.61 ft

Observed May 28, 2026 at 7:00 PM CDT

stage

1.61 ft

Observed May 27, 2026 at 7:00 PM CDT

stage

1.62 ft

Observed May 26, 2026 at 7:00 PM CDT

stage

1.62 ft

Observed May 25, 2026 at 7:00 PM CDT

stage

1.59 ft

Observed May 24, 2026 at 7:00 PM CDT

stage

1.61 ft

Observed May 22, 2026 at 7:00 PM CDT

stage

1.62 ft

Observed May 19, 2026 at 7:00 PM CDT

stage

1.62 ft

Observed May 17, 2026 at 7:00 PM CDT

stage

1.59 ft

Observed May 16, 2026 at 7:00 PM CDT

stage

1.58 ft

Observed May 15, 2026 at 7:00 PM CDT

stage

1.45 ft

Observed May 14, 2026 at 7:00 PM CDT

stage

1.41 ft

Observed May 13, 2026 at 7:00 PM 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.