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Snow Timeline for the Winter Storm

A breakdown of when and how much snowfall is expected for our area.

Snowfall amounts between 5-10 inches are expected in Northern Virginia and Washington, D.C., on Tuesday. Patch file photo.
Snowfall amounts between 5-10 inches are expected in Northern Virginia and Washington, D.C., on Tuesday. Patch file photo.
Northern Virginia and Washington, D.C., woke up Tuesday with no hint of frost on the ground — but promises from forecasters of 5-10 inches of snow by the end of the day.

But when and how much? NBC-4 reports snow will arrive in the area before noon and end around midnight.

"Expect the height of the storm from 2 p.m. to 6 p.m. — about 5 inches — with the snowfall gradually coming to an end by midnight," NBC reports.

Here's the National Weather Service snowfall timeline for Reagan National Airport:

  • From 9 a.m. to 1 p.m., snowfall may reach 1.5 inches. 
  • From 1 p.m. to 6 p.m., snowfall amounts may reach 4 inches. Total projected snowfall of 5.5 inches.
  • From 6 p.m. until midnight, the snow eases up, with less than an inch of additional accumulation possible. Total projected snowfall of  6.3 inches. 

And The Washington Post's Capital Weather Gang notes that there's also a Wind Chill Advisory that will be rolling in as the sun sets Tuesday night with wind chills between -5 and -15 in the region. 

"Temperatures tonight will drop through the teens and single digits and winds will be sustained at 15-25 mph with gusts to 40 mph," according to the Capital Weather Gang report.

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