Environment and Climate Change Canada is warning residents in the southern part of the Mackenzie Mountains for the arrival of a possible storm between June 29 and July 3.
According to the water monitoring bulletin, there is a high chance of heavy rainfall over the weekend, Wrigley and the South Nahanni River Basin are expected to feel the brunt of it.
The rivers flowing into the Mackenzie River from the Mackenzie Mountains, including the Redstone River, Keele River, and Mountain River, are highly sensitive to precipitation in the region.
On average, the projected rainfall could equate to one-to-two months worth of rain falling within just a few days, indicating an extraordinary weather event for this time of year.
This could result in rapid rises in water levels and increased flow along these rivers.
If predictions are correct, the South Nahanni River and the community of Nahanni Butte could experience sudden surges in water levels and flow, posing potential risks to residents and infrastructure.