Rain is on the way again across the Twin Tiers. Another storms system will be taking Gulf of Mexico moisture and bringing it our way. Rain will begin this evening and continue into the day on Sunday. Heaviest of the rain will occur during the Sunday morning hours on Sunday. Rain coats and umbrellas will be necessary for any morning plans on Sunday with the chance of heavy rain. Rainfall accumulations will range from half an inch to and inch across the region over the next 36 hours. Good news is that no flooding is expected across the Twin Tiers.