Waterlands
Rock River
USGS · 05443500
ROCK RIVER
USGS · 05443500LIVE

ROCK RIVER AT COMO, IL

WHITESIDE COUNTY, IL41.7722°N, -89.7456°W Updated 23 hr ago
FLOW RATE
8,174cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
8,174cfs 3.6% vs avg
Optimal band: 7,502–10,150 cfs
PERIOD HIGH
20,085cfs
PERIOD LOW
4,688cfs
RUNNABLE
35%
last 30 day in band
Precipitation History
Your History · ROCK RIVER AT COMO, IL

Track your history

Sign in to track your sessions at ROCK RIVER AT COMO, IL — best days, monthly trends, and time on the water.

Sign in
SPONSORED

Station Location

41.7722, -89.7456
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC
Site #05443500·USGS

Create a free account to save favorites, set flow alerts, and track conditions

Sign up free