Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 3 observed points and 60 forecast points.
Flood-stage context
Source-published thresholds where available
Action32 ftSource-backed threshold
Minor flood40 ftSource-backed threshold
Moderate flood47 ftSource-backed threshold
Major flood53 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage16.9 ftValid Sep 3, 2026 at 7:00 AM CDT
HGIFF • stage16.6 ftValid Sep 3, 2026 at 1:00 PM CDT
HGIFF • stage16.4 ftValid Sep 3, 2026 at 7:00 PM CDT
HGIFF • stage16.1 ftValid Sep 4, 2026 at 1:00 AM CDT
HGIFF • stage15.9 ftValid Sep 4, 2026 at 7:00 AM CDT
HGIFF • stage15.6 ftValid Sep 4, 2026 at 1:00 PM CDT
Observations
stage
18.8 ft
Observed Aug 29, 2026 at 7:00 PM CDT
stage
26.4 ft
Observed Aug 17, 2026 at 7:00 PM CDT
stage
17.97 ft
Observed Aug 9, 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.