A cold front slicing through stifling heat and humidity will give way to vicious thunderstorms this afternoon and evening.
Targeted cities include Boston, Providence, Hartford, New York, Philadelphia, Baltimore, Washington D.C., Pittsburgh and Cleveland.
On Tuesday, powerful thunderstorms erupted from this same front. Across northern New York, Vermont and New Hampshire, there were dozens of reports of downed trees and large hail.
This afternoon, the thunderstorms will explode farther south across the megalopolis.
Read about the impacts these storms have had so far along the Northeast and eastern coast.
The main threats from these beastly storms will be damaging blasts of wind, hail larger than the size of quarters, dangerous, vivid lightning and blinding downpours.
If you have outdoor plans this afternoon and evening, pay close attention to the weather. Keep an eye to the sky and heed any watches or warnings that may be issued.
If a watch is issued, this means the potential for a dangerous thunderstorm is high, but the threat is not imminent. If a warning is issued, this means a dangerous thunderstorm is imminent, and you should take shelter immediately.
For the latest storm information, please check back often at AccuWeather.com.
As a large storm rolls out of the Plains and Midwest, a swath of snow, ice and travel disruptions will extend into the Northeast starting on Sunday evening.
A new storm will form over the weekend across the Plains and will spread snow and ice eastward through the Midwest.
As a snowstorm unraveled from Texas to North Carolina and Virginia, snow and ice left a trail of disruption on Wednesday into Thursday.
Residents in Spokane, Washington, recently caught sight of the unique phenomenon known as "hole punch" clouds that cause a gaping hole in the otherwise cloudy sky.
Storms will continue to affect the West through this weekend and into next week with rounds of precipitation for some needy areas as well as trouble for travelers.
While much of central and eastern North America is still locked in a deep freeze, the warmth cascading across the Pacific Northwest in recent weeks has sparked the early flowering of sakura blossoms in the region.
Harrisburg, IL (1999)
A thunderstorm wind gust to 80 mph causing a roof to be blown off a house and a car to be blown off the road.
New England (1717)
First of a series of storms of The Great Snow which finally left about 36" on ground, held Boston snowbound for 3 weeks. Great barometric depression moved across Arkansas, Tennessee, Missouri and Illinois. Lowest pressure 28.71" at Springfield, IL.