Supercell thunderstorms are likely to develop Monday across parts of northeastern Ontario and western Quebec, posing threats of torrential rain, strong winds, hail, and a slight tornado risk.

SEE ALSO: HOW SUPERCELLS GROW TO PRODUCE GIANT HAIL AND INTENSE TORNADOES

A shortwave trough is interacting with a humid and energized airmass in the region, triggering thunderstorms by the afternoon. Areas from Sault Ste. Marie to Timmins and north toward Chibougamau, Que., are expected to see storm activity.

[Baron - Thunderstorm risk Monday Ontario - Aug11] Baron - Thunderstorm risk Monday Ontario - Aug11

Late Monday afternoon into the evening, some thunderstorms could intensify into supercells.

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These storms may bring large hail (2-3

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