From the ABC 7 Weather team

D.C. Weather Forecast: Wintry mix visits the D.C. area tomorrow

February 21, 2013 - 04:33 PM
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A winter storm is making its way east and will bring the chance for a wintry mix to the D.C. area Friday.

Tonight: Increasing Clouds, Cold

Lows: 20s | Wind: N 4-8 m.p.h.

Friday: Cloudy, Light PM Wintry Mix

Highs: 30s | Precipitation: 60%

Saturday: Mostly Cloudy, Areas of Rain

Highs: Mid 40s | Precipitation: 60%

It was another cold and breezy day today. The winds will diminish tonight and temperatures will drop into the 20s. Clouds will be increasing overnight and skies will be cloudy all day tomorrow. By tomorrow afternoon, we will be on Storm Watch looking for a wintry mix of sleet and snow to move into the area. Tomorrow evening, as warmer air arrives aloft, the wintry mix will likely change to rain.

In areas north and west of metropolitan Washington…especially north and west of the Blue Ridge and Catoctins, enough cold air could be trapped at the surface to create freezing rain. ( remember freezing rain is liquid rain that freezes on the surface when temperatures are below 32 degrees). Hopefully we will see nothing like this WeatherBug image below of Doniphan, MO where ice has accumulated on trees and powerlines.

Icing in Doniphan, MO

Looking ahead to Saturday, it appears a new area of low pressure will develop off the NC coast. As this system moves northward or northeastward, it will spread rain across our area. Temperatures will be close to 40 degrees or higher, so it will be plain old fashioned, cold rain. By Sunday, the coastal storm will be gone and high pressure will be returning. The result will be a partly to mostly sunny day with highs around 50 degrees.

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