Alex Lamers

We're seeing the potential for a freeze all the way down to the central Gulf Coast region, from Texas eastward, that is several weeks earlier than the average first freeze for the region, and that could have an impact on crops.

We're expecting some heavy snow from around Lake Erie into western New York and northern New England, where they could see between 6 and 12 inches, this is their first significant winter storm of the season.

Heat stress tends to have a cumulative effect so if you're not recovering at night, especially if you don't have an air conditioning unit, you'll accumulate more heat stress, when it stays warm overnight, it provides a higher launch for temperatures the next day.

It's pretty hot right now from the Plains states all the way through the Mississippi Valley to the East Coast.

A cold front north of us will start shifting south and by Sunday evening, it will make progress toward Boston, Pittsburgh, St. Louis. By Monday morning, it might be reaching Washington, Cincinnati with some rain and thunderstorms.