The D.C. region is preparing for a powerful Sunday storm bringing rain that shifts to a wintry mix before overnight snow into Monday morning.

It is part of the same weather system that is prompting blizzard alerts from Massachusetts to parts of Maryland, where the state said there’s Blizzard Warning for Queen Anne’s County until 6 p.m. Monday.

The National Weather Service said the District could see 3.4 inches of snow accumulation by 1 a.m. Tuesday, while areas to the north and east seeing much more: 5.4 inches in Leesburg, Virginia, 8.6 inches in Annapolis, Maryland, and 14.1 inches in Elkton, Maryland.

7News First Alert Meteorologist Jordan Evans cautioned that roads will become slick Sunday night, as visibility drops during the falling snow. He said conditions begin to improve Monday morning as the storm pulls away around daybreak, but cold, blustery weather will hold through early next week.

DC

The District said salt treatment of major roadways begins at noon Sunday. The city issued a Cold Alert Saturday night, opening hypothermia shelters.

MARYLAND

Gov. Wes Moore declared a State of Preparedness, urging residents to avoid unnecessary travel, and prepare for potential power outages.

Montgomery County

A Winter Storm Warning will be in effect from 3 p.m. Sunday through 10 a.m. Monday. Crews with the county’s Department of Transportation will mobilize at noon. Free parking will be available in county garages through at least noon Monday.

Prince George’s County

The county said pretreatment of roadways will begin Sunday, as conditions allow. Residents are urged to park in driveways or on the even-numbered side of the streets. It said TheBus will not run on Sunday.

VIRGINIA

Virginia Department of Transportation spokesman Alex Liggitt told WTOP that crews are holding off on pretreating the roads because rain could wash away those efforts: “Stay home if you can on Sunday and allow us to get out there and do our job to try to get these roads cleared as quickly as possible.”

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FORECAST

TODAY: WINTER ALERT: Wintry mix to snow. Highs between 34 and 38.
Winds: North 5 to 10 mph

TONIGHT: WINTER ALERT: Snow, breezy. Lows between 30 and 35.
Winds: West 5 mph

MONDAY: Scattered clouds, blustery. Highs between 35 and 40, with wind chills in the 20s.
Winds: Northwest 10 to 20 mph, gusts 30 to 35 mph

TUESDAY: Partly cloudy, breezy. Highs between 35 and 40, with wind chills in the 20s.
Winds: Northwest 10 to 20 mph, gusts: 30 to 35 mph

WEDNESDAY: Mostly cloudy. Highs between 48 and 52.
Winds: Southwest 10 to 15 mph

CURRENT CONDITIONS

Source