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Posted at 7:00 AM ET, 01/11/2008

Forecast: Briefly Damp & Warm

By Camden Walker

Trending cooler; Storm may miss us "wide-right" Sunday night

WeatherCamAfter a balmy week with much above normal temperatures and some showery weather -- here we go again: a warmish, showery Friday. Then a cooler weekend is to follow... What is Sunday's winter storm potential for the DC area?

TODAY

Wet AM, better but breezy PM, 61. The morning on Friday will be mild and wet. Thundershowers threaten to keep rush hour and even the beginning of our lunch-hour damp. After lunch, skies will allow some sun to break through and temperatures will peak in the lower 60s. Watch out for some gusty westerly winds as high as 30 mph -- helping us dry out! Overnight, as high pressure builds in, temperatures will slowly fall into the lower 40s.

TOMORROW

Partly cloudy, 51. Saturday should be much nicer! A high temperature around 51 degrees, with a moderate amount of sun shining through partly cloudy skies--not bad. Consider that our average high temperature is a brisk 42! Winds won't be a bother, either. Perhaps a few breezes out of the north, but otherwise not a chilly day when the sun is factored in. Overnight, temperatures will enter the upper-30s in most spots. Skies will likely be mostly cloudy (sorry to the stargazers!)


Remembering the "Dog Days of January" warm spell, by Capital Weather Gang photographer Kevin Ambrose, January 9.

SUNDAY

Storm system impact in-question, low 40s. High temperatures in the low 40s will be close to average. But we could have some impact from a storm system coming up the coast. The two most likely scenarios are:

A) Storm moves up the coast far enough off-shore that DC is spared almost any precipitation impact.
B) Storm system hugs the coast or tracks slightly inland, with rain or wet snow for the DC area and snow north and west of Loudoun and Montgomery Counties starting Sunday afternoon and continuing through Monday morning.

Right now I am thinking a solution closer to A based on the latest computer model guidance (2/3 chance). That is, wide-right and out to sea. But the wetter/snowier scenario is still possible (1/3). Sunday night's lows will likely be in the low to mid 30s.

A LOOK AHEAD

After we deal with some possible morning rain or snow (20% chance), Monday will give us some afternoon sunshine and mid 40s. Tuesday looks to be ever-improving. Mid 40s and sunny isn't too shabby, right? With increasingly drier air infiltrating the region, overnight will be chilly. Low temperatures at or below freezing will bring that seasonable feel back to the air.

By Camden Walker  | January 11, 2008; 7:00 AM ET
Categories:  Forecasts  
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