Waterlands
Rock River
USGS · 05440700
ROCK RIVER
USGS · 05440700LIVE

ROCK RIVER AT BYRON, IL

ILLINOIS42.1222°N, -89.2554°W Updated 49 min ago
FLOW RATE
3,370cfs
GAUGE HT
5.62ft
WATER TEMP
75°F
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
3,370cfs 41.2% vs avg
Optimal band: 2,890–3,910 cfs
PERIOD HIGH
3,540cfs
PERIOD LOW
3,310cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

5.62ft

Water Temperature

74.5°F
Weather Map

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Station Location

42.1222, -89.2554
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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 12:15 UTC
Site #05440700·USGS

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