Wind Advisories, and Tornado Watches

Severe weather affecting much of the East Coast this afternoon and will continue overnight. Currently, the heavy rain across the mid-Atlantic region where 1-4" of rain will fall is moving towards the north. This evening, that area will likely see some flooding issues. Locally, winds will continue to increase this afternoon and become gusty from the south overnight. This strong wind will transport very warm and humid air into the region. Temperatures remain around 70F much of the night. You might need to put on the air conditioning again if you don't like sleeping in muggy weather. A tornado watch has just been issued for Berkshire county here in southern New England, and thunderstorms are a distinct possibility in other areas.

 Low pressure means that the air in that area is rising. As the air rises, clouds and precipitation result. The cold front divides very warm and humid air from colder air to the west. As the front moves east, the lows will ride along the front into Canada. The closer the front gets, the greater the chance for rain. The greater the contrast in temperature the stronger the front and sometimes, like today, more wind. 

http://www.boston.com/news/weather/weather_wisdom/2012/09/wind_advisory_in_effect_heavy.html