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NWS / NWPSSite ID: havi2active

NWS / NWPS havi2

Illinois River near Havana

Illinois River • Mason • IL

Latest public reading17.01 ftObserved Jun 17, 2026 at 11:45 AM CDT
TrendRisingForecast available
Data freshness StaleObservation 5757 minutes old
Flood contextModerate floodFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed Forecast

Stage and discharge chart includes 5 observed points and 13 forecast points.

Line chart: Observed, Forecast051015202026-05-132026-06-232026-06-24
Data series

Flood-stage context

Source-published thresholds where available

Action13 ftSource-backed threshold
Minor flood14 ftSource-backed threshold
Moderate flood17 ftSource-backed threshold
Major flood23 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

HGIFF • stage18.6 ftValid Jun 21, 2026 at 1:00 PM CDT
HGIFF • stage18.7 ftValid Jun 21, 2026 at 7:00 PM CDT
HGIFF • stage18.8 ftValid Jun 22, 2026 at 1:00 AM CDT
HGIFF • stage18.9 ftValid Jun 22, 2026 at 7:00 AM CDT
HGIFF • stage18.9 ftValid Jun 22, 2026 at 1:00 PM CDT
HGIFF • stage19 ftValid Jun 22, 2026 at 7:00 PM CDT

Observations

stage

17.01 ft

Observed Jun 16, 2026 at 7:00 PM CDT

stage

7.02 ft

Observed Jun 7, 2026 at 7:00 PM CDT

stage

7.65 ft

Observed May 28, 2026 at 7:00 PM CDT

stage

8.35 ft

Observed May 19, 2026 at 7:00 PM CDT

stage

13.25 ft

Observed May 12, 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.