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Posted at 10:30 PM ET, 12/30/2009

Wintry start to last day of 2009

By Dan Stillman

Slippery travel for New Year's Eve morning

* Winter Weather Advisory late tonight until 1 p.m Thursday *
* Outside now? Radar, temps & more: Weather Wall *

Air temperatures are at or below freezing area-wide, ground temperatures are cold as well, and precipitation is streaming toward the D.C. area from the southwest. The combination spells the likelihood for a wintry mix and slippery travel early Thursday.

Radar: Latest regional radar shows movement of precipitation over past three hours. Powered by HAMweather. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Now through the a.m. commute: Precipitation should move in from the southwest and south some time between 2 a.m. and 6 a.m. and could contain a mix of snow, sleet and freezing rain. Any snow and sleet accumulations should be minor (up to 1-2 inches), but could be enough to slicken roads at least through the morning rush, especially with some freezing rain in the mix.

Late morning & afternoon: Things should improve by late morning as temperatures start to inch upward and precipitation begins to exit to the east/northeast, possibly ending as some plain rain or drizzle in some places. Any iciness will likely linger the longest north and west of town, where temperatures will be slowest to warm above freezing. By noontime it should all be over, and the afternoon looks cloudy but mostly dry with highs trying to reach the upper 30s.

StormCast: | FedCast: capitol-black.jpgcapitol-black.jpgcapitol-gray.jpgcapitol-gray.jpg

How do things look for tomorrow evening and the start of 2010? See our full forecast through the weekend.

By Dan Stillman  | December 30, 2009; 10:30 PM ET
Categories:  Forecasts, Updates  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: PM Update: Wintry weather early tomorrow a.m.
Next: Forecast: A slippery, wintry end to the year


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Posted by: KBurchfiel | December 30, 2009 11:30 PM | Report abuse

I posted a bit ago that I was starting to understand ThinkSpring's way of thinking... and that I was ready for a break from snow.

I'm already over that now and ready for some more snow. NWS bumped their advisory up to 1:00a (from 4:00a) to 1:00p for the far western suburbs.

Blue Ridge Bedtime Report: 21.0F and cloudy, and smells like snow

Accumulation report to be posted in the morning on CWG. Developing...

Posted by: spgass1 | December 30, 2009 11:50 PM | Report abuse

The precipitation is racing north. I really enjoy nowcasting in situations like this, when the radar shows plenty of moisture heading our way. The question is the precipitation type when it arrives later tonight. I think the majority of it will fall as snow and sleet. We'll see very soon.

Posted by: Kevin-CapitalWeatherGang | December 31, 2009 12:07 AM | Report abuse

Temps at Dulles rose a degree last hour to 31. Leesburg at 34. Precip type and/or sticking may still be an issue in some areas.

Posted by: ThinkSpring | December 31, 2009 1:32 AM | Report abuse

4:25am - light to moderate snow and sleet falling in Leesburg, Va. Started about an hour or so ago from the look of things. Roads covered.

Posted by: stinkerflat1 | December 31, 2009 4:28 AM | Report abuse

I have three simple words for this area CLEAN THE ROADS! This would be much appreciated or maybe go back to road cleaning school.


Posted by: lisannez | December 31, 2009 9:45 AM | Report abuse

The comments to this entry are closed.

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