Temperatures will top 100 degrees today. An Ozone Action Day has been declared for the Tyler, Longview, Marshall areas. Rain chances are near zero and will stay that way into the weekend. East Texas will catch the western edge of a weak cold front early next week, which will produce some small changes in our weather. Temperatures will drop a few degrees during the weekend and early next week. There will be a slight chance of showers and thunderstorms in the area Tuesday.