Conditions calm down with the passage of this system by Saturday morning with partly cloudy skies and low chances of rain. Rain chances return overnight into Sunday where lower pressures lay over the area and moist winds out of the SW will keep scattered thunderstorms around the area. On-site radar surveillance will be key for this race as storms will be intermittent and sporadic. Expect the track to be slick and visibility to be dull for race-day as of now, though the sun may show its face for the race period if we're lucky. As always, a metric graphic is provided below...