Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 2 observed points and 18 forecast points.
Flood-stage context
Source-published thresholds where available
Action19 ftSource-backed threshold
Minor flood20 ftSource-backed threshold
Moderate flood25 ftSource-backed threshold
Major flood33 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage11.5 ftValid Sep 3, 2026 at 7:00 AM CDT
status • stage11.5 ftValid Sep 3, 2026 at 7:00 AM CDT
HGIFF • stage11.5 ftValid Sep 3, 2026 at 1:00 PM CDT
HGIFF • stage11.5 ftValid Sep 3, 2026 at 7:00 PM CDT
HGIFF • stage11.5 ftValid Sep 4, 2026 at 1:00 AM CDT
HGIFF • stage11.5 ftValid Sep 4, 2026 at 7:00 AM CDT
Observations
flow
3,320 cfs
Observed Sep 1, 2026 at 7:00 PM CDT
flow
3,350 cfs
Observed May 8, 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.