From the ABC 7 Weather team

D.C. Weather Forecast: Quiet and cold start to the week, winter blast coming?

March 4, 2013 - 10:07 AM
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Cold and Sunny start to the week, but winter's last gasp on the way.

This Afternoon: Mostly Sunny

Highs: Low to Mid 40s | Wind: NW 10-20

Tonight: Mostly Clear

Lows: Around 30 | Wind: NW 5-10

Tuesday: Increasing Clouds. Chance of rain late, snow NW

Highs: Mid 40s | Wind: NW 4-8 bec

A clear but cool day on tap for the D.C. area, the "calm" before the storm if you will.  The chilly conditions are already in place helping to set the stage for what will be an interesting middle of the week.  As we potentially face our heaviest snow storm in 2 years (which isn't necessarily saying much), there are a few issues that help make this a challenge for forecasters.  Computer models are still inconsistent, timing... the period of rain/snow mix will greatly impact our snowfall totals, and there will be a rather sharp line between the snow and no snow, so there will be a wide range of forecast zones for this storm.  Here's our best estimate in terms of probabilities as of 10a.m. on Monday.   

Snow Probabilities for D.C. Metro

Please keep in mind that this forecast can and may very well change as we get closer to the onset of the storm.  Also note, that some areas will be all snow and the probabilites of heavier snow is great for Dulles, Western Loudon, Northern Fauquier, Northern Montgomery, Frederick  etc.. basically  most areas North and West of D.C. Storm is still in the Midwest right now.  After the Wednesday Wallop, we will be cold and breezy on Thursday, but warmer, springlike conditions are back for this coming weekend. 

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