Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

A strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains.
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Hazardous Weather Conditions

Last Update: 622 AM EDT Sat Jul 29 2017

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New York, NY Local Forecast Office

23NM SE New York NY

Marine Zone Forecast

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

Synopsis: ANZ300-292115- 622 AM EDT Sat Jul 29 2017 .Synopsis for the Long Island Waters and New York Harbor... Low pressure tracks well south of Long Island today, and then well east of the waters tonight. High pressure builds to the northwest of the waters Sunday through Wednesday. A cold front then approaches from the northwest. $$

Today

NE winds 15 to 20 kt with gusts up to 25 kt, increasing to 20 to 25 kt with gusts up to 35 kt late this morning and afternoon. Seas 4 to 7 ft. Light rain this morning, then chance of light rain early this afternoon. Slight chance of light rain late.

Tonight

NE winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 5 to 7 ft.

Sun

NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft.

Sun Night

E winds 5 to 10 kt, becoming N after midnight. Seas 3 to 5 ft.

Mon

N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft.

Mon Night

E winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft.

Tue

NW winds 5 to 10 kt, becoming SW. Seas around 3 ft.