Stage and discharge
Hourly readings and linked forecast values
Observed Forecast
Stage and discharge chart includes 1 observed point and 60 forecast points.
Flood-stage context
Source-published thresholds where available
Action35 ftSource-backed threshold
Minor flood43 ftSource-backed threshold
Moderate flood46 ftSource-backed threshold
Major flood50 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage19.9 ftValid Sep 3, 2026 at 7:00 AM CDT
HGIFF • stage19.6 ftValid Sep 3, 2026 at 1:00 PM CDT
HGIFF • stage19.4 ftValid Sep 3, 2026 at 7:00 PM CDT
HGIFF • stage19.1 ftValid Sep 4, 2026 at 1:00 AM CDT
HGIFF • stage18.9 ftValid Sep 4, 2026 at 7:00 AM CDT
HGIFF • stage18.7 ftValid Sep 4, 2026 at 1:00 PM CDT
Observations
Stage
23.46 ft
Observed Aug 27, 2026 at 1:00 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.