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IA9 associated gaugesSource-backed records

Iowa River

Linked station records, forecasts, and alerts stay source-specific so the river page can show context without flattening it into a single safety score.

This page does not create a single river-wide condition or safety rating.

Associated gauges9Station-level records
Gauges with readings9Observation-capable records
Forecast availability44 linked forecast gauges
Last source updateAvailableJun 21, 2026 at 8:30 AM CDT

Forecast-linked gauges on Iowa River

Linked gauges with forecast-capable source records.

NWS / NWPS MIWI4

Iowa River at Marshalltown

IA

Stale
Flood contextForecast

Latest public reading

762 cfs

Observed May 14, 2026 at 8:00 AM CDT

Observation 54828 minutes old

NWS / NWPS MROI4

Iowa River at Marengo

IA

Stale
Flood contextForecast

Latest public reading

14.62 ft

Observed Jun 19, 2026 at 4:00 PM CDT

Observation 2508 minutes old

NWS / NWPS IOWI4

Iowa River at Iowa City

IA

Stale
Forecast

Latest public reading

2,020 cfs

Observed May 14, 2026 at 11:00 PM CDT

Observation 53928 minutes old

Station-level detail

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Persisted source data

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IA coverage

State pages group related gauges and waterways by source-backed records.

Station-level detail

Use gauge routes for observations, forecasts, alerts, and source timing.

Official source context

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