The weekend-long series of thunderstorms and snowstorms across Colorado will linger Sunday, according to the National Weather Service. Lingering rain showers may remain over the plains Sunday in northeast and north central Colorado. Mountain snow showers will diminish throughout the day but a few additional inches of snow is possible. Widespread rain showers may return Wednesday with a few inches of snowfall for the northern mountains, according to NWS forecasters. There is a slight chance of rain showers in Denver on Sunday morning with possible showers and thunderstorms after noon.