The previously-mentioned disturbance on it’s way through the GL could spark some vigorous thunderstorms in ON today and this evening, particularly for parts of the S and SW.
06z 3km NAM, hours 12 / 18 / 24:
Farther east a combination of snow, freezing rain and rain is on it’s way for NL. The transition zone should progress from in an east-to-west fashion at the outset and linger into the early part of the weekend.
06z RDPS total precip-type @ hour 48: