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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 availability11 linked forecast gauge
Last source updateAvailableSep 2, 2026 at 11:00 PM CDT

Current gauges on Iowa River

Station readings stay source-specific and compact for scanning.

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StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

1,061.87 ft

Observed Aug 20, 2026 at 11:00 AM CDT

Observation 19490 minutes old

NWS / NWPS MIWI4

Iowa River at Marshalltown

IA

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

762 cfs

Observed May 14, 2026 at 8:00 AM CDT

Observation 160790 minutes old

NWS / NWPS CJTI4

Iowa River at Columbus Jct

IA

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

8,980 cfs

Observed May 14, 2026 at 1:00 PM CDT

Observation 160490 minutes old

AgingPast the publishing interval but inside three times it. Still shown, flagged.

Latest public reading

683.33 ft

Observed Sep 2, 2026 at 11:00 PM CDT

Observation 50 minutes old

NWS / NWPS MROI4

Iowa River at Marengo

IA

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

7.76 ft

Observed Aug 25, 2026 at 7:00 AM CDT

Observation 12530 minutes old

AgingPast the publishing interval but inside three times it. Still shown, flagged.

Latest public reading

5.49 ft

Observed Sep 2, 2026 at 11:00 PM CDT

Observation 50 minutes old

NWS / NWPS BPLI4

Iowa River at Belle Plaine

IA

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.

Latest public reading

1,990 cfs

Observed May 14, 2026 at 10:00 PM CDT

Observation 159950 minutes old

NWS / NWPS IOWI4

Iowa River at Iowa City

IA

StaleBeyond three times the publishing interval. Value shown with its age, never hidden.
Forecast

Latest public reading

2,020 cfs

Observed May 14, 2026 at 11:00 PM CDT

Observation 159890 minutes old

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