Dr. Cliff Mass of the University of Washington has a nice discussion of how the weather conditions across the United States are expected to change as the sun goes dark tomorrow with the solar eclipse.  In the Southeast, temperatures could drop by more than 10 degrees in some areas near totality. You can read about wind and temperature changes at https://cliffmass.blogspot.com/2017/08/how-will-eclipse-change-us-weather-on.html.