Active Weather for the Plains and Mississippi Valley

A developing storm across the Southern Plains is forecast to bring severe weather that includes large hail and damaging wind gusts, heavy rainfall that could result in flash flooding across portions of the Plains and Mississippi Valley. The effects of this storm will continue through the middle of this week. The Four Corners area will continue to see elevated to critical fire weather conditions.
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Last Update: 403 PM EDT Sun May 22 2022

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Philadelphia, PA Local Forecast Office

33NM NE Atlantic City NJ

Marine Zone Forecast

Synopsis: A strong cold front will move through the region tonight, and the front will settle offshore on Monday. High pressure builds in for Tuesday and Wednesday, then a frontal system may approach the area later next week.

Tonight

SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight, then becoming N 10 to 15 kt with gusts up to 20 kt late. Seas 3 to 4 ft. A chance of tstms this evening, then a chance of showers after midnight. Swell mainly from the S with a dominant period of 5 seconds.

Mon

N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt late. Seas 3 to 4 ft. Swell mainly from the N with a dominant period of 5 seconds.

Mon Night

E winds 5 to 10 kt. Seas around 3 ft in the evening, then 2 ft or less. Swell mainly from the NE with a dominant period of 5 seconds.

Tue

E winds 10 to 15 kt. Gusts up to 20 kt early in the afternoon. Seas around 3 ft. Swell mainly from the E with a dominant period of 6 seconds.

Tue Night

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

Wed

E winds around 10 kt. Seas 3 to 4 ft.

Wed Night

SE winds around 10 kt. Seas 3 to 4 ft. A chance of showers after midnight.