AMES, Iowa (WNAX) – While the El Nino was slow to develop, it looks like it will hang around a while.

Dennis Todey, head of the Midwest Climate Hub (in Ames Iowa) says the El Nino didn’t start as expected.

Todey says a summer El Nino is kind of unusual.

Todey says the lack of heat could be a problem by fall.

An El Nino occurs when Pacific Ocean temperatures rise and cause weather impacts in North America.