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
Action36 ftSource-backed threshold
Minor flood48 ftSource-backed threshold
Moderate flood52 ftSource-backed threshold
Major flood57 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage21.5 ftValid Sep 3, 2026 at 7:00 AM CDT
HGIFF • stage21.2 ftValid Sep 3, 2026 at 1:00 PM CDT
HGIFF • stage20.9 ftValid Sep 3, 2026 at 7:00 PM CDT
HGIFF • stage20.6 ftValid Sep 4, 2026 at 1:00 AM CDT
HGIFF • stage20.3 ftValid Sep 4, 2026 at 7:00 AM CDT
HGIFF • stage20.1 ftValid Sep 4, 2026 at 1:00 PM CDT
Observations
stage
21.84 ft
Observed Sep 2, 2026 at 7:00 PM CDT
stage
27.63 ft
Observed Aug 25, 2026 at 7:00 PM CDT
stage
16.21 ft
Observed Aug 13, 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.