Sunday's Daytona 500 has already been impacted by weather, as the start time for "The Great American Race" was moved up on Friday to 2 p.m. ET. While the time change was intended to avoid the rain in the forecast,

The green flag is set to drop at 1:30 p.m., an hour earlier than the originally scheduled time. NASCAR moved the race up Friday due to potential rain. As of 8 a.m., the National Weather Service shows a 70% chance of precipitation Sunday. There’s a chance of showers and thunderstorms before 3 p.m. Then, showers become likely between 3 and 5.