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NWS / NWPSSite ID: hvdm8active

NWS / NWPS hvdm8

Missouri River at Helena Valley Reservoir

Missouri River • Lewis and Clark • MT

Latest public reading3,818.55 ftObserved Jun 5, 2026 at 9:15 PM CDT
TrendRisingNo forecast linked
Data freshness DelayedObservation 117 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

Stage and discharge chart includes 3 observed points.

Line chart: Observed01.0K2.0K3.0K4.0K06-03 07:1506-06 01:1506-06 02:15
Data series

Flood-stage context

Source-published thresholds where available

Action3,820 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

Forecast unavailable

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

Observations

Stage

3,818.55 ft

Observed Jun 5, 2026 at 9:15 PM CDT

Stage

3,818.55 ft

Observed Jun 5, 2026 at 8:15 PM CDT

Stage

3,818.44 ft

Observed Jun 3, 2026 at 2:15 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.