Mercersburg, PA
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Latest Stories from Pennsylvania
What was the weather like on the first ever Independence Day in 1776?
As millions of Americans feel the heat ahead of the 250th anniversary of the United States, this great nation has experienced a wide variety of weather on many historic days.
See the top cities in danger of shattering Fourth of July records as extreme heat dome descends on nation
While temperatures may peak before July 4 itself, millions of people across the U.S. will still experience triple-digit temperatures or heat index values as they celebrate America's 250th birthday.
4 dead as flash flooding slams Kentucky, triggering emergencies and evacuations
Thunderstorms and flash flooding are threatening the first half of the weekend for millions across parts of the Ohio Valley and East Coast. Those with outdoor plans could be dodging showers on both Saturday and Sunday ahead of a return to 90-degree weather by the middle of next week.
Not just hurricanes: Tropical storms in history that packed a punch with historic, deadly flooding
While not every storm is as impactful as a major hurricane when it makes landfall, tropical storms can still bring plenty of rain in a short amount of time. This can lead to flash flooding and cause river levels to rise to new record heights. Here is a look back on some of the tropical storms that caused the worst flooding.