PORTLAND -- The warmest weekend of the year is here, and the National Weather Service is warning that rivers and streams are still running high and cold.

The warmest temperatures of the season combined with cold and swift rivers will pose a hazard to recreational waters users over the weekend, read the special weather statement Saturday morning.

Forecast | River levels

Rivers and streams were still cold, in the 45 to 50 degree range, due to melting spring snow pack. Water flows were still elevated also.

Exercise caution in or around area rivers and lakes as hypothermia can set in fast with such chilly water temperatures, the NWSwarned.

Related:Portlanders enjoy start of sunny weekend

Three people were rescued from the Clackamas River Saturday afternoon after their inflatable raft capsized. All three were wearing life jackets.

Rescuers took the opportunity to remind people that they should always wear life jackets near waterways.

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