A swath of snow will streak northeastward across the coastal mid-Atlantic to southern New England Saturday, ahead of a major snowstorm for coastal areas of the Northeastern states a bit later in the weekend.
The snow will start as rain in portions of the mid-Atlantic but will end as snow.
The disturbance producing the snow is an early part of a developing storm just offshore this weekend.
While the snow from the preliminary disturbance may not last long, the snowfall rate could be close to an inch per hour in a few locations, causing road conditions to change rapidly.
This map only shows snowfall for the preliminary disturbance and not the main storm. Most of the snowfall will be on non-paved surfaces. A separate map and story have information on the main storm and New England blizzard.
A quick 1 to 3 inches of snow can result in wet and slushy travel by Saturday morning along I-95 from Philadelphia, New York City and Hartford. A slushy coating of snow is possible around Washington, D.C., with a coating to an inch farther northeast around Baltimore, Md., and Wilmington, Del.
The bridges along I-95 and other elevated surfaces will cool the fastest and would become slippery first late Friday night into Saturday morning. (Photos.com image for illustration purposes)
Many secondary roads and streets in the suburbs are likely to have conditions ranging from slushy to snow covered.
The main storm will organize quickly Saturday afternoon and evening just off the Virginia Capes.
From this point, the storm may begin to put down accumulating snow in portions of northeastern North Carolina, southeastern Virginia, the Delmarva Peninsula, the Jersey Cape and central and eastern Long Island.
It is a close call with additional snow over the coastal mid-Atlantic from the main part of the storm Saturday night from Washington, D.C., to Philadelphia and New York City. Odds favor the heaviest and perhaps all of the snow during this time staying to the east of these cities.
However, areas from eastern Long Island and Cape Cod northeastward through Maine and the Canada Maritimes are most likely to experience a significant snowstorm with conditions trending nastier farther north. Blizzard conditions are possible from Maine northward.
Additional information and updated snow accumulation maps on the complex snowstorm this weekend are coming soon on AccuWeather.com.
The Highway Fire started around 6:10 p.m. PDT Saturday near Corona, California, in the Prado Dam area in Riverside County, and grew from 30 to 175 acres in a matter of three hours.
For the second half of the weekend and into the week, rain and wind will replace the pleasant, sunny conditions of the first part of the weekend.
After a steady rain closes out the weekend, more showers and cooler air will persist through much of the week.
A pattern favoring waves of progressively cooler air will set up across much of the Midwest and Northeast during next week and could continue into early May.
Round after round of drenching rain will continue to cause flooding in the South, while another dose of rain may renew flooding in the Ohio Valley this weekend.
Ahead of the monsoon season in India, temperatures will swell well above normal in parts of India and Pakistan.
Central Europe (1991)
Cold outbreak: 12" of snow in the Swiss Alps; temperature dropped to 26 degrees in Berlin.
Lexington, MA (1775)
Lexington-Concord Day; crisp anticyclone morning at 0700: 45.7 degrees, 29 56" rising, wind west, force 1, "very fair" sky - Prof. Winthrop noted at Cambridge, MA: "Battle of Concord will put a stop to observing."
Southern New Hampshire (1785)
Last snow of a famous late winter raised snow cover to 3 feet. Crust that supported horses that morning began to dissolve that afternoon.