Heavy Rainfall And Flooding Threat Continues Over The Western Gulf Coast And Midwest; Excessive Heat Widespread Across The Desert Southwest

A slow moving disturbance will continue to generate rounds of rainfall across the western Gulf Coast from Texas to western Louisiana through Thursday. Flooding of low lying and poor drainage areas will be possible. Across the Desert Southwest, triple digit heat with highs exceeding 115 degrees will be possible over portions of southern California, Nevada, and Arizona through Saturday.
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Last Update: 930 PM EDT Wed Jun 20 2018

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Philadelphia, PA Local Forecast Office

8NM ESE Atlantic City NJ

Marine Zone Forecast


Synopsis: A developing low pressure system and its associated fronts will traverse the region tonight. Canadian high pressure moves into the region late Thursday into Friday while a stalled front remains just to the south. Low pressure moving from the eastern Great Lakes into northern New England will lift a warm through the region on Saturday, followed by a cold frontal passage late Sunday. A sprawling area of Canadian high pressure builds into the area through the first half of next week.

Overnight
S winds around 10 kt. Seas 2 to 3 ft. Swell mainly from the SE with a dominant period of 7 seconds. Scattered showers late this evening, then showers likely with scattered tstms with vsby 1 to 3 nm.
Thu
W winds 5 to 10 kt, becoming NE with gusts up to 20 kt in the afternoon. Seas 2 ft to 3 ft. Swell mainly from the SE with a dominant period of 5 seconds. A chance of showers until late afternoon.
Thu Night
NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt late. Seas 3 to 4 ft. Swell mainly from the SE with a dominant period of 5 seconds.
Fri
E winds 10 to 15 kt, increasing to 15 to 20 kt in the late morning and afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Swell mainly from the S with a dominant period of 8 seconds. a chance of showers in the afternoon.
Fri Night
E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.
Sat
E winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Showers and tstms likely, mainly in the morning.
Sat Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of tstms in the evening. A chance of showers.
Sun
SW winds 10 to 15 kt. Seas 3 to 5 ft.
Sun Night
SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of tstms in the evening. A chance of showers.
Mon
NW winds around 10 kt. Seas 3 to 5 ft. A chance of showers in the morning.
Mon Night
N winds 10 to 15 kt. Seas 3 to 4 ft. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 930 PM EDT Wed Jun 20 2018
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