La Nina 2024 Canada. There is a 66% chance la niña will develop sometime from september to november, which includes the latter part of the hurricane season, according to the latest. With the summer solstice behind us, we’re slowly inching toward winter here in the northern hemisphere.

The revised forecasts issued by scientists have been revealed, and the verdict is clear: The combination of very warm water and la niña in full bloom during the late summer and early fall has forecasters worried.