UPDATED: Blizzard Coming Monday and Continue Through Tuesday!

One of the biggest blizzards in years is heading toward the Boston area on Monday night could dump more than a two feet of snow on Watertown. The storm is expected to be a long one. The Blizzard Watch was upgraded to a Blizzard Warning, and will begin at 7 p.m. on Monday and runs to 1 a.m. on Wednesday. WBZ-TV’s forecast puts Watertown in the area which could get 20-30 inches of snow! Light snow should start after 5 p.m. Monday, and the heavy snowfall will begin Monday evening.

UPDATED: Find Out How Much Snow to Expect in Watertown This Weekend

A storm with a mix of snow and rain will hit town early Saturday morning and the National Weather Service has upgraded the amount of snow forecast to fall on Watertown. Snow will begin falling at 3 a.m. on Saturday morning and the storm is forecast to drop 3-7 inches of snow and sleet on Watertown, according to the NWS website. Precipitation will be mostly snow before 10 a.m., then freezing rain between 10 a.m. and noon a mix of snow and rain after noon. The forecast for Sunday is sunny with a high around 34, but there is a chance of snow Sunday night and Saturday.

Wintery Weather Walloping Watertown This Week

Wind, snow and cold temperatures will hit Watertown this week, the National Weather Service warns. The NWS has issued a Wind Advisory through 7 p.m. Monday night. Winds will be around 20 mph with gusts up to 45 mph today, which could bring down small trees and branches and cause power outages. The area could get snow showers could come through between 1 and 2 p.m.

On Tuesday, there is a 40 percent chance of snow, with up to half an inch of accumulation. Then, temperatures will dip on Wednesday night with a low of negative 1 and a high on Thursday of 13 degrees.

Possible Flooding in Watertown Wednesday Night

Look for a long rain storm to hit Watertown on Wednesday, with heavy rains in the evening. The National Weather Service has issues a Flood Watch for the Watertown area and most of Eastern Massachusetts on Wednesday. Rain will start in the afternoon, and get heavy between 5 and 8 p.m. The area could get 1.5 to 2.5 inches and some places it could be as much as 4 inches, according to the National Weather Service. Precipitation will continue into Thursday morning.

Snow Storm Hits Watertown Thursday

Snow covers the road at the Arsenal on the Charles in front of athenahealth. Photo: Charlie Breitrose. By Charlie Breitrose

[Updated 4:02 p.m.] The snow has turned to rain. Watch out for downed branches and power outages. The snow may return later.