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Fox News Weather Center

Rain, Strong Storms to Soak East Coast Early This Week

A storm system responsible for severe weather across the Plains over the past week, as well as the snow across the Rockies will advance eastward to begin the week.

A steady rain will impact the East Coast through Monday night ahead of a warm front. Scattered thunderstorms will develop across portions of the Atlantic on Monday afternoon, some of which could become severe.

According to Accuweather.com meteorologist Ben Noll, "A flood risk exists from eastern Pennsylvania into New Jersey and southern New England, including New York City."

"Heavy rains can lead to ponding of water on roadways and flooding on streets and in areas of poor drainage," he added.

Rain will move into Boston just in time for the start of the Boston Marathon on Monday morning. Spectators should bring a raincoat and umbrella when cheering on the runners.

Be alert for travel delays along I-95 from Boston to Philadelphia as well as the Massachusetts Turnpike and the New York State Thruway for anyone heading to work on Monday morning.

Areas along the Interstate-95 corridor from Boston to Philadelphia have had a relatively dry month of April in terms of precipitation. With the month more than half over, many of these areas have had less than half of the average rainfall for the month.

Precipitation Departures for April 2015 (As of April 19)

City, State Total Precipitation (in.) Normal Precipitation (in.) Percent of Normal Precipitation (%)
Boston 0.96 3.74 26
Providence, Rhode Island 1.30 4.36 30
New York 0.46 4.50 10
Philadelphia 0.75 3.56 21
Harrisburg, Pennsylvania 0.59 3.10 19
Albany, New York 1.16 3.17 37

As the rain departs the Atlantic Coast early on Monday, warmer air and perhaps some sun may break out by early Monday afternoon. Thunderstorms are expected to develop ahead of the next cold front which will sweep through the area on Monday night into Tuesday morning.

The main threat will be gusty winds, hail, and heavy rainfall. An isolated tornado, however, cannot be ruled out.

According to AccuWeather.com meteorologist Mike Doll, "Winds can be strong enough to knock down trees and power lines."

"Hail can be large enough to put dents in cars and crack windshields," he added.

Locations within the risk for severe weather on Monday include Pittsburgh, Baltimore, Washington, D.C., Richmond, Virginia; Raleigh and Charlotte, North Carolina; Columbia and Charleston South Carolina; and Savannah, Georgia.

"Once the system departs midweek, a March-like chill will flood the northern tier of  the United States after a substantial mild spell in the midmonth," Noll said.

Stay tuned to AccuWeather.com for further updates on the severe weather and flooding potential.