Wintry Conditions Over The Rockies, Heavy Rainfall And Flash Flooding Threat Over The Desert Southwest

Remnant moisture from what was once Tropical Storm Raymond will continue to produce heavy rainfall and the threat for flash flooding over the Desert Southwest into Thursday. Heavy snow will also be possible over parts of the Rockies, and will likely cause hazardous travel. Meanwhile, critical fire weather conditions continue across northern California into Thursday morning.
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Hazardous Weather Conditions

Last Update: 929 PM EST Wed Nov 20 2019

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For More Weather Information:

New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THURSDAY...

Synopsis: ANZ300-211500- 929 PM EST Wed Nov 20 2019 .Synopsis for the Long Island Waters and New York Harbor... High pressure builds into the region through Thursday before sliding offshore Thursday night. A cold front then crosses the area on Friday, followed briefly by high pressure Saturday. Low pressure may impact the region Saturday night into Sunday, before high pressure returns early next week. $$

Overnight

N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft.

Thu

N winds 15 to 20 kt, becoming NW around 10 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 4 ft.

Thu Night

W winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 3 to 5 ft.

Fri

SW winds 15 to 20 kt, becoming W 20 to 25 kt in the afternoon. Seas 5 to 8 ft.

Fri Night

NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 7 ft.

Sat

W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.

Sat Night

SW winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Chance of rain in the evening, then rain likely after midnight.

Sun

NE winds 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Rain likely, mainly in the morning.

Sun Night

NW winds 15 to 20 kt. Seas 3 to 5 ft.

Mon

NW winds 10 to 15 kt. Seas 2 to 4 ft.

Mon Night

W winds 10 to 15 kt. Seas 2 to 3 ft.