Spring has been slow to arrive across much of the middle U.S.. The following image of initial leaf bloom indicates where spring has arrived either early (red) or late (blue). Warmer temperatures can be expected this weekend into next week which will accelerate the spring green up.
However, there are signs of a significant change towards the middle of next week. This pattern will bring colder and wet weather to a large part of the central U.S. that could last well into April. Here are outlooks for the next two weeks.