Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Last Update: 401 PM EDT Mon Aug 17 2026

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast

Tonight

W winds around 5 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms late this evening. A slight chance of showers after midnight.

Tue

N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave detail: SE 2 ft at 9 seconds.

Tue Night

S winds around 5 kt, becoming W after midnight. Seas around 2 ft. Wave detail: SE 2 ft at 9 seconds.

Wed

NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave detail: SE 2 ft at 10 seconds.

Wed Night

SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 9 seconds and S 1 foot at 3 seconds.

Thu

SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave detail: SE 2 ft at 9 seconds. A chance of showers in the morning, then showers likely with a chance of tstms in the afternoon.

Thu Night

S winds around 5 kt, becoming W after midnight. Seas around 2 ft. Showers likely with a chance of tstms.

Fri

NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

Fri Night

E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

Sat

E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely, mainly in the morning.

Sat Night

SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Showers likely.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.