Upper Iowa River At Decorah, Ia Realtime Data

Streamflow discharge was last observed at 1,900 cfs, and a gauge height of 3.54 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 3,555 .

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The river flows through the Driftless Area, a geologically unique region of the Midwest characterized by its lack of glacial activity. There are several small tributaries that contribute to the flow of the Upper Iowa River, including Trout Run and North Bear Creek. Seasonal trends show that the river typically experiences higher flows in the spring due to snowmelt and increased precipitation, while summer and fall flows are generally lower. There are no major dams on the Upper Iowa River, but there are several small low-head dams used for recreation and water control. Interesting fact: the Upper Iowa River is a popular destination for canoeing and kayaking, with several outfitters located in the area.