Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 3 observed points and 17 forecast points.
Flood-stage context
Source-published thresholds where available
Action365 ftSource-backed threshold
Minor flood370 ftSource-backed threshold
Moderate flood375 ftSource-backed threshold
Major flood388 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage356.64 ftValid Sep 10, 2026 at 12:00 PM CDT
HGIFF • stage357.44 ftValid Sep 10, 2026 at 6:00 PM CDT
HGIFF • stage356.39 ftValid Sep 11, 2026 at 12:00 AM CDT
HGIFF • stage355.6 ftValid Sep 11, 2026 at 6:00 AM CDT
HGIFF • stage356.18 ftValid Sep 11, 2026 at 12:00 PM CDT
HGIFF • stage357.47 ftValid Sep 11, 2026 at 6:00 PM CDT
Observations
stage
358.1 ft
Observed Sep 7, 2026 at 7:00 PM CDT
stage
357.13 ft
Observed Aug 30, 2026 at 7:00 PM CDT
stage
358.72 ft
Observed Aug 17, 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.