Wet Pattern Continues From the Northwest To Rockies; Major Storm System To Develop On Thursday Across Southern Plains

A vigorous system will slide from the Northwest to the Rockies on Wednesday to keep intact the wet pattern across the extended region. Heavy to excessive rain, intense mountain snow and high winds are possible before the next system arrives on Friday. The same system will evolve into a major storm on Thursday across the southern Plains for a widespread rain event for the South and East.
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Last Update: 936 AM EST Wed Dec 12 2018

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Baltimore, MD/Washington, D.C. Local Forecast Office

7NM SSE Annapolis MD

Marine Zone Forecast

Synopsis: Surface high pressure will reside over New England through Thursday as a weak boundary lingers just south of the waters. Low pressure over the Deep South will approach the waters from the southwest late Friday into Saturday, with unsettled weather potentially persisting into Sunday. High pressure will build over the waters early next week. Small Craft Advisory conditions likely Friday night and into Saturday.

Rest Of Today

N winds 5 to 10 kt...becoming S late. Waves 1 ft or less.

Tonight

SE winds 5 to 10 kt. Waves 1 ft.

Thu

SE winds 5 kt. Waves less than 1 ft.

Thu Night

E winds 5 kt. Waves less than 1 ft.

Fri

E winds 5 kt. Waves less than 1 ft. Rain likely.

Fri Night

E winds 5 to 10 kt. Waves 1 to 2 ft. Rain.