Flooding Impacts Expected Across the Southwest and Southern U.S.; Heat Continues for Portions of the West

Monsoon activity will increase and generate localized flash flooding for arroyos, slot canyons, urban areas, as well as rapid rises on rivers, through this weekend from the Southwest into the Southern Plains. Excessive heat will continue over portions of central Washington and interior California today with temperatures into the 100s. Severe weather possible for the Mid-Mississippi Valley today.
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Last Update: 300 PM EDT Fri Aug 19 2022

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Philadelphia, PA Local Forecast Office

27NM N Lewes DE

Marine Zone Forecast


Synopsis: High pressure builds in today maintaining a dry end to the work week. Unsettled weather returns for the weekend as upper level waves introduce scattered shower and thunderstorm chances. The wet pattern looks to continue into next week as a low pressure system pushes through the area Monday and Tuesday bringing rain chances and below average temperatures before conditions turn drier and warmer mid-week.

This Afternoon
S winds 10 to 15 kt. Isolated showers.
Tonight
S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight.
Sat
SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon.
Sat Night
SE winds 5 to 10 kt.
Sun
E winds 5 to 10 kt. A chance of showers in the afternoon.
Sun Night
SE winds 5 to 10 kt. A chance of showers and tstms.
Mon
S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. Showers likely with a chance of tstms.
Tue
SW winds around 5 kt. Waves 1 foot or less. A chance of showers through the night. winds and waves higher in and near tstms.

Winds and waves higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 300 PM EDT Fri Aug 19 2022
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