Strong Storms for Midwest; Very Active Weather Pattern for West

Strong thunderstorms with isolated severe hail are possible today across northern Iowa and southern Minnesota today. Otherwise, a very active and wet weather pattern is expected through early next week for the West Coast and Western U.S. A number of Pacific storm systems will deliver enhanced and excessive rainfall along with mountain snow.
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Last Update: 702 AM EDT Wed Oct 20 2021

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast


Synopsis: High pressure will remain centered across the Southeast through the day before shifting offshore tonight as low pressure moves into the Great Lakes. A cold front will move through the region in association with this surface low Thursday night. High pressure will build across the Mid-Atlantic through the weekend with a series of upper-level disturbances moving through as well. Another area of low pressure looks to move into the region by early next week.

Today
W winds 10 to 15 kt. Gusts up to 20 kt this morning. Waves 2 ft or less.
Tonight
SW winds 5 to 10 kt. Waves 2 ft or less.
Thu
SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Waves 2 ft or less.
Thu Night
SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 ft or less.
Fri
W winds 5 to 10 kt. Waves 2 ft or less.
Fri Night
NW winds 5 to 10 kt. Waves 2 ft or less. A chance of showers after midnight.
Sat
NW winds 5 to 10 kt. Waves 2 ft or less. A chance of showers in the morning.
Sat Night
NW winds around 10 kt. Waves 2 ft or less.
Sun
NW winds around 10 kt. Waves 2 ft or less.
Sun Night
NW winds around 10 kt. Waves 2 ft or less.
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ABOUT THIS FORECAST

Last Update: 702 AM EDT Wed Oct 20 2021
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