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NWS / NWPSSite ID: maki1active

NWS / NWPS maki1

Big Lost River below Mackay Reservoir

Big Lost River • Custer • ID

Latest public reading321 cfsObserved Sep 2, 2026 at 11:45 PM CDT
TrendFallingForecast available
Data freshnessStaleBeyond three times the publishing interval. Value shown with its age, never hidden.Observation 233 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 Forecast

Stage and discharge chart includes 2 observed points and 36 forecast points.

Line chart: Observed, Forecast01002003004005002026-05-142026-09-082026-09-12
Data series

Flood-stage context

Source-published thresholds where available

Action3.8 ftSource-backed threshold
Minor flood4.3 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

HGIFZ • stage2.36 ftValid Sep 3, 2026 at 1:00 PM CDT
HGIFZ • stage2.36 ftValid Sep 3, 2026 at 7:00 PM CDT
HGIFZ • stage2.36 ftValid Sep 4, 2026 at 1:00 AM CDT
HGIFZ • stage2.36 ftValid Sep 4, 2026 at 7:00 AM CDT
HGIFZ • stage2.36 ftValid Sep 4, 2026 at 1:00 PM CDT
HGIFZ • stage2.36 ftValid Sep 4, 2026 at 7:00 PM CDT

Observations

flow

321 cfs

Observed Sep 2, 2026 at 7:00 PM CDT

flow

498 cfs

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.