A wet weekend is forecast across southern Alberta with rising Bow River levels and the possibility of flooding in Banff National Park.Environment Canada predicts rainfall starting Saturday and continuing through Tuesday, with heavier amounts expected Sunday through Monday.Calgary could receive 50 to 75 millimetres of rain, while areas west of the city may see over 100 millimetres.Bow River advisories have been issued, spanning from upstream Banff to the Ghost Reservoir, about 50 kilometres west of Calgary.

Officials caution that higher-than-normal river flows are likely due to recent warm weather melting snowpack, elevating the risk of nuisance flooding and potential trail closures in affected areas.

The Town of Canmore advises extreme caution near the Bow River, especially for children and pets, and recommends staying off embankments and keeping boats off the water.

Calgary itself does not anticipate full-scale floods but warns of increased water flow in the Bow and Elbow rivers between Friday and Tuesday, with possible boating advisories and underpass closures.

As of Friday, the Bow River near Banff was flowing at about 300 cubic metres per second, more than twice typical seasonal flow, though experts do not expect a repeat of the 2013 flood given improved preparedness and differing weather patterns.Travelers are advised to monitor updates and plan for potential disruptions.