Cooler and less humid air settles over the Pittsburgh area into the first part of the weekend with abundant sunshine is in the offing for Father's Day
After a cool start a warmer afternoon is in store for Father's Day, with high pressure settling in overhead.
Very warm and humid conditions will build over the region during much of next week.
How warm it gets will depend on the amount of sunshine and where complexes of thunderstorms wander each day from the Midwest.
Monday is shaping up to be Philadelphia's warmest day so far this year, kicking off a week that will be dominated by summer warmth.
Monday is shaping up to be New York City's warmest day so far this year, kicking off a week that will be dominated by summer warmth.
Early indications suggest that the first tropical system of 2015 could spin up off the southern Atlantic Coast of the United States this week.
After a cooler-than-normal summer 2014, the Northeast can anticipate more 90-degree days. Meanwhile, drought conditions will expand in the West.
Parts of this week will feel more like summer across the Midwest and Northeast with the warmest days of 2015 set to unfold.
Thunderstorms are set to return to the Plains for the first week of May following a relatively quiet end to April.
Prichard, AL (1994)
3 students were injured while using an electric pencil sharpener at the same time lightning struck a tree just outside a window of the school.
Charleston, SC (1761)
Large tornado swept Charleston harbor when British fleet of 40 sails was at anchor. Raised waves 12' high, many vessels on beam-ends, 4 killed.
May snowstorm from New York City southwest to to Pennsylvania and south into Virginia; ground covered, severe frost in North Carolina, fruit killed.