Severe Thunderstorms and Heat Impact July 4th Weekend

A threat for severe thunderstorms will impact the July 4th weekend, bringing the potential for damaging wind gusts and localized flash flooding through Sunday. Hazardous heat continues into Sunday as well. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from July 4, 03:30 PM EDT until July 4, 11:00 PM EDT

Last Update: 603 PM EDT Sat Jul 4 2026

View Nearby Observations

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast

...SEVERE THUNDERSTORM WATCH 459 IN EFFECT UNTIL 11 PM EDT THIS EVENING...

Tonight

SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight, then becoming SE late. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers and tstms this evening. Showers likely with a chance of tstms after midnight.

Sun

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 5 seconds and SE 1 foot at 9 seconds.

Sun Night

E winds around 10 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers.

Mon

SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers in the morning, then showers likely with a chance of tstms in the afternoon.

Mon Night

SE winds 5 to 10 kt. Seas 2 to 4 ft. Wave detail: NE 3 ft at 7 seconds and S 2 ft at 5 seconds. Showers with a chance of tstms.

Tue

E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave detail: E 4 ft at 7 seconds and S 2 ft at 6 seconds. Showers in the morning, then a chance of showers and tstms in the afternoon.

Tue Night

NE winds 10 to 15 kt. Seas 3 to 5 ft. A chance of tstms in the evening. A chance of showers.

Wed

N winds around 10 kt, becoming NE in the afternoon. Seas 3 to 4 ft.

Wed Night

S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft.

Thu

SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 4 ft.

Thu Night

S winds 10 to 15 kt. Seas 3 to 4 ft.

winds and seas higher in and near tstms.