The water temperatures on the Great Lakes can influence how storm systems move across the eastern U.S. In the next upcoming storm system, it is being influenced by the warmest part of the Great Lakes.

First, let’s start with a current look at the surface water temperatures on the Great Lakes. Click on the image to zoom in. The western end of Lake Erie is still 75 degrees. The rest of Lake Erie has water temperatures in the low-70s. Southern Lake Michigan is also still warm with temperatures in the low-70s.

The warm water is an attractant for weather systems. Weather systems are packed around a low pressure center. This means the storm center has the lowest air pressure of anywhere around. The storm center wants to track where it is easiest for the storm center to survive.

That’s where t

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