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NWS / NWPSSite ID: mryk1active

NWS / NWPS mryk1

Big Blue River at Marysville

Big Blue River • Marshall • KS

Latest public reading24.1 ftObserved Jun 21, 2026 at 2:30 PM CDT
TrendRisingNo forecast linked
Data freshness StaleObservation 149 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 4 observed points.

Line chart: Observed051015202506-21 15:1506-21 16:3006-21 17:3006-21 19:30
Data series

Flood-stage context

Source-published thresholds where available

Action30 ftSource-backed threshold
Minor flood35 ftSource-backed threshold
Moderate flood38.2 ftSource-backed threshold
Major flood43 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

Forecast unavailable

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

Observations

Stage

24.1 ft

Observed Jun 21, 2026 at 2:30 PM CDT

Stage

23.56 ft

Observed Jun 21, 2026 at 12:30 PM CDT

Stage

22.81 ft

Observed Jun 21, 2026 at 11:30 AM CDT

Stage

21.17 ft

Observed Jun 21, 2026 at 10:15 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.