After weeks of weather whiplash, bouncing between winterlike chill and brief teases of spring, residents across the Northeast may finally be ready for a stretch of consistently pleasant conditions. The warmth building into the Easter holiday weekend is expected to be the warmest conditions of the spring season so far for most, with afternoon highs ranging into the 70s and 80s Fahrenheit by Saturday. While some cooling may take place into the start of next week, AccuWeather forecasters say most