The weather in Philadelphia tomorrow will be hotter than our daytime high with spotty showers forecasted for both cities. James Heintze researched weather for the Fourth of July and noted that in New York City from 1789 to 1855 rain fell on thirteen "Fourths." On July 4, 1860, eight members of the German Fusiliers died from sunstroke in a Charleston, S.C. parade. On July 4, 1874 the New York Herald reported that "whole blocks of houses" in D.C. lost roofs when a tornado roared through the town. In Boston on July 4, 1831, The National Intelligencer reported that, "The Northern Lights were beautifully vivid at the close of the 4th." The hottest Independence Days include: Palm Springs, and Las Vegas. Schenectady, NY reported an earthquake on July 4, 1806.