The river gauge charts on this page are provided by the National Weather Service’s Advanced Hydrologic Prediction Service. Note that some of the information could be outdated at times.
– Cedar River – Cedar River near Otranto
Cedar River near St. Ansgar
Cedar River at Charles City
Cedar River at Waverly
Cedar River at Janesville
– Clear Lake – Clear Lake at Clear Lake
– Little Cedar River – Little Cedar River near Orchard
Little Cedar River near Ionia
Little Cedar River near Nashua
– Shell Rock River – Shell Rock River at Marble Rock
Shell Rock River at Shell Rock
– Spring Creek – Spring Creek near Mason City
– Turkey River – Turkey River near Cresco
Turkey River near Spillville
Turkey River near Eldorado
Turkey River near Clermont
– Upper Iowa River – Upper Iowa River near Lime Springs
Upper Iowa River at Kendallville
Upper Iowa River at Bluffton
Upper Iowa River near Decorah
Upper Iowa River at Decorah
– Volga River – Volga River at Wadena
– Wapsipinicon River – Wapsipinicon River near Tripoli
– West Fork Cedar River – West Fork Cedar River at Finchford
– Willow Creek – Willow Creek near Mason City
– Winnebago River – Winnebago River at Mason City 
