Remember that the second shot at the Space X launch will be tomorrow (Saturday) at 3:22 pm, with the third possible shot at it on Sunday. However, the weather report right now actually looks worse than it was on Wednesday with about a 50% chance of thunderstorms during that time of day. On the other hand, you never know with Florida storms, especially on the east coast of Florida. Here is a good article updating everyone of the possible launch windows. Launch Windows