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
Action34 ftSource-backed threshold
Minor flood37 ftSource-backed threshold
Moderate flood45 ftSource-backed threshold
Major flood47 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage6.5 ftValid Sep 10, 2026 at 1:00 PM CDT
HGIFF • stage6.2 ftValid Sep 10, 2026 at 7:00 PM CDT
HGIFF • stage5.9 ftValid Sep 11, 2026 at 1:00 AM CDT
HGIFF • stage5.4 ftValid Sep 11, 2026 at 7:00 AM CDT
HGIFF • stage5 ftValid Sep 11, 2026 at 1:00 PM CDT
HGIFF • stage4.7 ftValid Sep 11, 2026 at 7:00 PM CDT
Observations
stage
5.41 ft
Observed Sep 5, 2026 at 7:00 PM CDT
stage
22.67 ft
Observed Aug 24, 2026 at 7:00 PM CDT
stage
18.55 ft
Observed Aug 17, 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.