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NWS / NWPSSite ID: ALSQ9active

NWS / NWPS ALSQ9

Alsek River above Bates River-Yukon Territory

Alsek River • Unk • AK

Latest public reading30.45 ftObserved Jun 21, 2026 at 10:05 AM CDT
TrendRisingNo forecast linked
Data freshness DelayedObservation 90 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 10 observed points.

Line chart: Observed051015202530352026-05-262026-06-042026-06-072026-06-21
Data series

Flood-stage context

Source-published thresholds where available

Action31.5 ftSource-backed threshold
Minor flood32.5 ftSource-backed threshold
Moderate flood34 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

Forecast unavailable

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

Observations

stage

30.45 ft

Observed Jun 20, 2026 at 7:00 PM CDT

stage

28.69 ft

Observed Jun 11, 2026 at 7:00 PM CDT

stage

28.7 ft

Observed Jun 9, 2026 at 7:00 PM CDT

stage

28.06 ft

Observed Jun 6, 2026 at 7:00 PM CDT

stage

27.6 ft

Observed Jun 5, 2026 at 7:00 PM CDT

stage

26.96 ft

Observed Jun 4, 2026 at 7:00 PM CDT

stage

26.69 ft

Observed Jun 3, 2026 at 7:00 PM CDT

stage

26.05 ft

Observed May 28, 2026 at 7:00 PM CDT

stage

26.05 ft

Observed May 27, 2026 at 7:00 PM CDT

stage

26.12 ft

Observed May 25, 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.