Severe storms and Heavy Rain in the Upper Midwest; Fire Weather Threats in the West

Scattered severe storms capable of producing large hail and damaging winds are expected from Montana, the Dakotas, and into northwestern Montana; and in the South and Central High Plains. Heavy rain may produce flash flooding in portions of the Plains, especially, the North Plains; Mississippi Valley; Appalachians; and Deep South. Fire weather threats are Elevated for portions of Nevada.
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Last Update: 101 PM EDT Sat Jul 4 2020

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Philadelphia, PA Local Forecast Office

33NM NE Atlantic City NJ

Marine Zone Forecast

Synopsis: A backdoor cold front will push to our south through today. Another weak backdoor front may move into the area Sunday into Monday, before lifting back northward into Tuesday. A very warm and humid week is expected next week as a southerly flow develops, although there is the potential for a coastal low along the east coast late next week.

This Afternoon

NE winds 5 to 10 kt. Seas around 3 ft. Isolated tstms late. Swell mainly from the SE with a dominant period of 9 seconds.

Tonight

SE winds 5 to 10 kt, becoming SW after midnight. Seas around 3 ft. Swell mainly from the SE with a dominant period of 9 seconds.

Sun

SW winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 ft or less, then around 3 ft in the afternoon. Swell mainly from the SE with a dominant period of 9 seconds.

Sun Night

SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Swell mainly from the SE with a dominant period of 9 seconds.

Mon

W winds 5 to 10 kt, becoming SE in the afternoon. Seas around 3 ft in the morning, then 2 ft or less.

Mon Night

S winds 5 to 10 kt. Seas 2 ft or less, then around 3 ft after midnight.

Tue

S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft.

Tue Night

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

Wed

S winds around 10 kt, increasing to around 15 kt in the afternoon. Seas 3 to 4 ft.