Stormy afternoon leading to overnight frost welcome to spring in Alberta [Video]

May long weekend is traditionally seem as the safe point in spring when Albertans can plant their gardens without fear of cold weather damage — but Mother Nature has other plans.

Dreary, rainy weather on Wednesday will lead to a temperature drop overnight, at which point Environment and Climate Change Canada expects it may issue frost warnings for parts of Alberta.

In its weather outlook for the day, Environment Canada said areas southwest of Edmonton will see about five millimetres of rain, and in the afternoon thunderstorms will develop in southern Alberta and move north.

“These should be generally non-severe with relatively weak instability and shear throughout the risk area.

Global News weather specialist Phil Darlington said the likelihood of thunderstorms in Edmonton is low.

“However after a very dry April, the rain Alberta is currently getting is very welcome — not just by gardeners,” he said.

A similar thunderstorm risk is forecast for Thursday.

Once the low …