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Nibi Metrics

Real-time water levels, forecasts, and alerts for lakes and rivers across Canada and the US. Built on official government data.

Nibi Metrics turns raw gauge readings from official hydrometric networks into something a person standing on a dock can actually use: is the water high or low for today, which way is it moving, and how unusual is this? This page explains where every number on the platform comes from and what we do to it along the way.

Water Stories

The flood of record that was overtaken

For five years, spring 2019 was the mark every Lake Muskoka decision answered to. In April 2026 the lake went two centimeters higher - and the official books have not caught up yet.

Why the Assiniboine floods every spring

Inside the freshet cycle that puts Manitoba shorelines at risk each year - and why 2026 broke the script.

How snowpack becomes summer water

The science of snow water equivalent and why it drives the season ahead.

Reading a staff gauge like a hydrologist

What the numbers on the measuring stick actually tell you.

Flash Flood Alley: how Texas rivers rise in hours

Why Central and South Texas rivers go from gravel beds to fifty-year records in an afternoon - including July 2026 on the Nueces.

What a "100-year flood" actually means

One percent, every year, forever - unwrapping hydrology's most misunderstood phrase, and how it differs from our own percentiles.

Lac la Ronge Water Level

Live lake level, flow, historical records and forecast for Lac la Ronge in Canada, SK, Canada, built from official government gauge data.

About Lac la Ronge

Lac la Ronge - A Central Feature of the Rapid Watershed.

Located in Saskatchewan, Lac la Ronge is a significant lake that serves as the hub of the Rapid watershed. This expansive body of water provides essential ecological and recreational value, making it a vital asset for both the local environment and community.

The watershed context

Draining an impressive area of approximately 15,500 square kilometers, Lac la Ronge plays a crucial role in the wider hydrology of the region. It is linked to the Rapid watershed, where snowmelt significantly influences water levels, particularly in the spring. As a prairie waterbody, Lac la Ronge experiences a sharp peak during the snowmelt season, which is typically followed by long recessions in the summer months. The dynamics of this lake are also influenced by regional wind patterns, which can lead to variability in water readings.

Why the data matters here

Understanding the water levels of Lac la Ronge is essential for various stakeholders, from local residents to conservationists. The lake serves multiple purposes, including habitat for wildlife, recreational activities, and community enjoyment. Monitoring the lake's current levels allows for better planning and management, particularly considering seasonal changes in precipitation and temperature patterns in Saskatchewan.

Today's reading at Lac la Ronge is essential to compare with the median for this calendar day across the station's historical record, which spans nearly 50 years. This data, provided by Water Survey of Canada, ensures a reliable context for understanding current conditions relative to typical water levels, guiding activities and decision-making in this important region.

How this page is built

Readings come from official government gauges and are rolled into daily records: the daily mean, high and low for every day on record. Each calendar day gets its own baseline from the full history, so the level you see is compared against what this specific date usually looks like rather than an annual average.

How Nibi Metrics works · Water stories