Rivers, Tubing & Water Safety

Reading river levels

A river's level tells you a lot. Read the gauge before you leave home so you know whether the day looks calm or like one to skip.

The two numbers a gauge gives you

A USGS gauge gives you two numbers. Stage (gauge height) is how high the water is, in feet. Discharge (flow) is how much water is moving, in cubic feet per second (cfs) — the higher the cfs, the faster and pushier the water.

Current & Jacks Fork

The National Park Service publishes a river-level table and generally closes the Current and Jacks Fork to non-motorized vessels at about 2 feet above normal — and sometimes earlier if the water is rising or rain is coming.

Every other river

Most rivers don't have a published closure level. They rely on the USGS gauge trend, the National Weather Service forecast, outfitter advice, and any county or local closures. High, fast, muddy, or rising water is a no-go even before any formal closure.

Watch the weather upstream, too

Read the NWS forecast — and remember that a storm upstream can flood your stretch hours later. Flash floods are the deadliest river hazard, because the water can rise in minutes.

Tools for checking the level

Tools: USGS Current Water Data for Missouri, USGS WaterAlert, the DNR streamgage and flooding pages, and the NPS river-level page.

The one rule of thumb

The rule of thumb: high, fast, muddy, or rising means don't go.

If the water is high

Don't negotiate with high water

Don't negotiate with high water. If the river is high, muddy, fast, rising, near closure level, or under a flood watch, cancel — or pick a lake or a dry-land backup. Outfitters want repeat customers, not rescues.

This page is about reading the water before you go. For motorboats — registration, the boater card, motorboat equipment, or the boating-while-intoxicated law — see the Boating hub.

River-level questions people ask first

Is one gauge number enough to make the call?

No. A gauge is a snapshot for one place. Pair it with the forecast, rain upstream, agency notices, and local outfitter judgment.

What is the difference between stage and discharge?

Stage is the water height at the gauge. Discharge is how much water is moving past the gauge. Both matter, and both make more sense after you learn the normal range for that river.

Who closes the Current and Jacks Fork?

The National Park Service manages closure decisions for those Ozark National Scenic Riverways stretches. Other rivers may not have the same clear closure system.

What is the simple stop sign?

High, fast, muddy, or rising water is a good reason to skip the float. A missed float is cheaper than a rescue.

Before you float

Official sources and current guidance

Conditions and access rules can change from one river to the next.

Last checked: 2026-06-18. Rivers change by the day — the level, the weather, and the water-quality advisories are different every time. Check the live gauge and the forecast before every float, and wear your life jacket.

This is a summary — not the law, a medical authority, or a substitute for a guide or a swiftwater course. River levels, rules, and advisories change — check the live gauge, the forecast, and the agency or outfitter before you float. In an emergency, call 911.

Heads up: A gauge reading is a snapshot for one spot at one time. Check it the day you float, watch for rain upstream, and call your outfitter — and if the water is high, fast, muddy, or rising, don't go.

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