Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 3 observed points and 24 forecast points.
Flood-stage context
Source-published thresholds where available
Action40 ftSource-backed threshold
Minor flood43 ftSource-backed threshold
Moderate flood47 ftSource-backed threshold
Major flood51.3 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage5.2 ftValid Sep 10, 2026 at 10:00 AM CDT
HGIFF • stage5.1 ftValid Sep 10, 2026 at 1:00 PM CDT
HGIFF • stage5.1 ftValid Sep 10, 2026 at 4:00 PM CDT
HGIFF • stage5.1 ftValid Sep 10, 2026 at 7:00 PM CDT
HGIFF • stage5.1 ftValid Sep 10, 2026 at 10:00 PM CDT
HGIFF • stage5.1 ftValid Sep 11, 2026 at 1:00 AM CDT
Observations
flow
727 cfs
Observed Sep 8, 2026 at 7:00 PM CDT
flow
699 cfs
Observed Sep 2, 2026 at 7:00 PM CDT
flow
5,750 cfs
Observed May 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.