Stage and discharge
Hourly readings and linked forecast values
Observed Forecast
Stage and discharge chart includes 1 observed point and 60 forecast points.
Flood-stage context
Source-published thresholds where available
Action21 ftSource-backed threshold
Minor flood27 ftSource-backed threshold
Moderate flood33 ftSource-backed threshold
Major flood42 ftSource-backed threshold
Forecast
Linked NWS/NWPS values
HGIFF • stage18.2 ftValid Jun 21, 2026 at 2:00 PM CDT
HGIFF • stage18.5 ftValid Jun 21, 2026 at 3:00 PM CDT
HGIFF • stage18.8 ftValid Jun 21, 2026 at 4:00 PM CDT
HGIFF • stage19.1 ftValid Jun 21, 2026 at 5:00 PM CDT
HGIFF • stage19.4 ftValid Jun 21, 2026 at 6:00 PM CDT
HGIFF • stage19.7 ftValid Jun 21, 2026 at 7:00 PM CDT
Observations
Stage
17.2 ft
Observed Jun 21, 2026 at 10:00 AM 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.