The Niagara Region could be in for a good drenching this afternoon.
Environment Canada warns of scattered thunderstorms across the region through the afternoon and into the evening.
Meteorologists also warn funnel clouds could make brief appearances this afternoon due to an unseasonably cool and unstable air mass.
They say this kind of weak rotation is normally not a danger near the ground, however there is a chance for that rotation to develop into a weak landspout tornado.
CKTB's Tim Denis took a photo of a water spout over Lake Erie this afternoon.
A water spout is an intense columnar vortex that occurs over a body of water.
It's a non-supercell tornado over water.