Some wild swings in the weather forecast for the Rocky Mountains this week have prompted officials with Parks Canada to issue a warning about the potential for dangerous avalanche conditions.

Unseasonably warm temperatures of up to 10 C on Thursday are forecast to drop below freezing overnight, causing rain that’s expected to start falling Thursday afternoon to turn to snow.

While Environment Canada said Banff and Jasper, Alta., are not expected to see much accumulation, in areas of higher elevation in the mountain parks, including the Icefields Parkway between Lake Louise and Jasper, the forecast calls for between 15 and 30 centimetres of snow.

Snowfall warnings have been issued for both Banff and Jasper national parks, with Environment Canada warning that roads and walkways will lik

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