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NWS / NWPSSite ID: LOKI2active

NWS / NWPS LOKI2

Chicago Sanitary and Ship Canal at Lockport Lock (tailwater)

Chicago Sanitary and Ship Canal • Will • IL

Latest public reading-3.46 ftObserved Feb 6, 2019 at 12:35 PM CST
TrendFallingNo forecast linked
Data freshness DelayedObservation 76 minutes old
Flood contextNo source flood categoryFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed

Stage and discharge chart includes 6 observed points.

Line chart: Observed01002003004005006002026-05-112026-05-152026-06-112026-06-21
Data series

Flood-stage context

Source-published thresholds where available

Action540.5 ftSource-backed threshold
Minor flood541 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

Forecast unavailable

Forecasts are not available for this gauge in RiverStat.us launch sources.

Observations

stage

539.55 ft

Observed Jun 20, 2026 at 7:00 PM CDT

stage

539.1 ft

Observed Jun 10, 2026 at 7:00 PM CDT

stage

539.04 ft

Observed May 15, 2026 at 7:00 PM CDT

stage

538.8 ft

Observed May 14, 2026 at 7:00 PM CDT

stage

539.06 ft

Observed May 13, 2026 at 7:00 PM CDT

stage

538.65 ft

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.