Heavy Rainfall and Severe Thunderstorms Possible Across the Central U.S.; Hurricane Lane Continues Westward Across the Central Pacific

An area of low pressure moving across the Central U.S. will continue to bring heavy rainfall and flash flooding across parts of that region, along with the threat for severe thunderstorms through this evening. Meanwhile, swells from Hurricane Lane are reaching parts of Hawaii today, with some additional impacts possible later this week, depending on the storm's track.
Read More...

Last Update: 531 PM EDT Mon Aug 20 2018

View Nearby Observations

For More Weather Information:

Philadelphia, PA Local Forecast Office

5NM ENE Atlantic City NJ

Marine Zone Forecast


Synopsis: A front that has been stalled south of our region the last few days will lift northward as a warm front on Tuesday, followed by a cold front on Wednesday. High pressure builds in from the north and west to close out the work week. The high then moves offshore this weekend.

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

Winds and seas higher in and near tstms.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 531 PM EDT Mon Aug 20 2018
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data