Fox River at McHenry (Stratton Lock and Dam) Tailwater, IL

MCHENRY COUNTY, IL42.3092°N, -88.2514°W Updated 53 min ago

FLOW RATE

2,230cfs

GAUGE HT

3.12ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

2,230cfs

Optimal band: 1,454–1,966 cfs

PERIOD HIGH

2,230cfs

PERIOD LOW

1,210cfs

RUNNABLE

40%

last 1 day in band

Gauge Height

3.12ft

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42.3092, -88.2514

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DATA · NOAA NWPS · NOAA · NWSUPDATED 2026-09-20 22:15 UTC

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