Image Credit: BC River Forecast Centre

By Victor Kaisar

River Levels

High streamflow advisories, flood watches in place across B.C. Interior

Jun 21, 2025 | 8:14 AM

KAMLOOPS — The BC River Forecast Centre has issued a number of high streamflow advisories in the Interior as the forecast calls for rain and possibly snow this weekend.

The advisory is in place for the South Thompson and Nicola river basins, as well as the Okanagan, West Kootenay, and Similkameen.

A flood watch remains in place for a handful of basins including the Middle Fraser/Chilcotin region tributaries east of Lillooet and Williams Lake. The Upper Columbia River and its tributaries are also under a flood watch.

The alerts come as the forecast is calling for precipitation across the BC interior through Sunday. Heavy rain is forecasted Saturday (June 21) for south-east BC in the Rocky Mountains, Purcell Mountains, and across to the typical lee side of the Coast Mountains in west central and south-west BC.

“The flow of moisture during this event will be from the east, creating the potential for enhanced upslope rainfall on the eastern slopes of mountain ranges (Rocky Mountains, Purcells, Selkirks, Cascades, Coast Mountains),” the River Forecast Centre said.

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“Wet weather will continue into Sunday with easing rainfall rates, although there is potential for additional rainfall on Monday. Precipitation locations and totals will likely be highly variable across southern BC.”

While river levels are expected to peak later today into tomorrow, that could change if rainfall totals reach or exceed what meteorologists are calling for.

‘You can find the latest information from the BC River Forecast Centre here.