Stage and discharge
Daily rollups and linked forecast values
Observed Forecast
Stage and discharge chart includes 2 observed points and 60 forecast points.
Flood-stage context
Source-published thresholds where available
Action25 ftSource-backed threshold
Minor flood33 ftSource-backed threshold
Moderate flood38 ftSource-backed threshold
Major flood42 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage13.1 ftValid Sep 10, 2026 at 10:00 AM CDT
HGIFF • stage13 ftValid Sep 10, 2026 at 11:00 AM CDT
HGIFF • stage13.2 ftValid Sep 10, 2026 at 12:00 PM CDT
HGIFF • stage14 ftValid Sep 10, 2026 at 1:00 PM CDT
HGIFF • stage14.7 ftValid Sep 10, 2026 at 2:00 PM CDT
HGIFF • stage15.2 ftValid Sep 10, 2026 at 3:00 PM CDT
Observations
flow
1,090 cfs
Observed Sep 5, 2026 at 7:00 PM CDT
flow
176 cfs
Observed May 11, 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.