Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 4 observed points and 60 forecast points.
Flood-stage context
Source-published thresholds where available
Action36 ftSource-backed threshold
Minor flood37 ftSource-backed threshold
Moderate flood40 ftSource-backed threshold
Major flood44 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage10.4 ftValid Sep 3, 2026 at 7:00 AM CDT
HGIFF • stage10.1 ftValid Sep 3, 2026 at 1:00 PM CDT
HGIFF • stage9.7 ftValid Sep 3, 2026 at 7:00 PM CDT
HGIFF • stage9.5 ftValid Sep 4, 2026 at 1:00 AM CDT
HGIFF • stage9.2 ftValid Sep 4, 2026 at 7:00 AM CDT
HGIFF • stage9 ftValid Sep 4, 2026 at 1:00 PM CDT
Observations
stage
10.57 ft
Observed Sep 2, 2026 at 7:00 PM CDT
stage
15.7 ft
Observed Aug 24, 2026 at 7:00 PM CDT
stage
7.02 ft
Observed Aug 16, 2026 at 7:00 PM CDT
stage
5.67 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.