Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 3 observed points and 28 forecast points.
Flood-stage context
Source-published thresholds where available
Action469 ftSource-backed threshold
Minor flood471 ftSource-backed threshold
Moderate flood472.9 ftSource-backed threshold
Major flood478.5 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage465.8 ftValid Jun 21, 2026 at 7:00 PM CDT
HGIFF • stage466 ftValid Jun 22, 2026 at 1:00 AM CDT
HGIFF • stage466.4 ftValid Jun 22, 2026 at 7:00 AM CDT
HGIFF • stage467 ftValid Jun 22, 2026 at 1:00 PM CDT
HGIFF • stage467.6 ftValid Jun 22, 2026 at 7:00 PM CDT
HGIFF • stage468.2 ftValid Jun 23, 2026 at 1:00 AM CDT
Observations
flow
3,780 cfs
Observed May 13, 2026 at 7:00 PM CDT
flow
4,560 cfs
Observed May 11, 2026 at 7:00 PM CDT
flow
4,710 cfs
Observed May 10, 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.