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Winnebago River — Fertile to Mason City: Water Level Today — Can You Paddle It?

Winnebago River · Class I · Iowa

Current verdict

High — use caution — rising fast

Flows are above the comfortable range. Expect strong current, pushy water, cold temperatures and fewer places to stop. Experienced paddlers only — many should wait.

823 cfs/ 7.0 ft gauge
Runnable 100–1,500 cfs
Estimated range

USGS gauge 05459500 · updated Jul 9, 7:45 AM UTC

7-day flow trend

1,64002026-07-022026-07-08
Daily mean flow (cfs), past 7 days. Shaded band = runnable range.

Section facts

Difficulty
Class I
Length
13 mi
Float time
~5 hr
Best months
May–September
Put-in
Fertile
Take-out
Mason City

Reading USGS gauge 05459500 — Winnebago River at Mason City, IA · runnable range is an estimate (see methodology)

FAQ

What water level is good for paddling Winnebago River — Fertile to Mason City?

This section is generally runnable at 100–1,500 cfs (a conservative estimate — see our methodology). Below that it gets too low and bony; well above the top of the range it becomes pushy and then dangerous. We compare the live USGS reading to that range to produce today's verdict.

How do I check Winnebago River levels?

We read USGS gauge 05459500 — the same public data USGS publishes — about every 30 minutes and compare it to the runnable range for this reach. You can also view the raw gauge yourself at waterdata.usgs.gov.

Is Winnebago River — Fertile to Mason City good for beginners?

This section is rated Class I. At good levels it suits confident beginners and up, but it can have riffles or small rapids. Scout anything you can't see, and stay off it at high water.

When is the best time to paddle Winnebago River here?

Typically May–September, when flows are most reliable for this section. Spring can run high after rain or snowmelt; late summer can drop too low. Always check today's gauge reading rather than assuming.

How long does it take to float Winnebago River — Fertile to Mason City?

This reach is about 13 miles, roughly 5 hours at a relaxed pace. Higher water is faster; low water and headwinds are slower. Add time for stops.

Nearby sections

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