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Posted at 3:15 PM ET, 12/ 4/2008

PM Update: Showers then Cold; Weather Course

By Ian Livingston

Back into the icebox Friday

* Snow Lover's Crystal Ball | Ice Skating in Washington | SkinsCast *

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

Our brief taste of average (or slightly above) temperatures is about to be just a memory as a cold front approaches the area, bringing with it showers followed by much colder air. Meanwhile, temperatures have risen into the low-to-mid 50s today under increasingly cloudy skies. Showers now advancing toward the area from the west should arrive in time for the commute home this evening. After the front passes, expect temperatures to begin falling on a gusty northwest wind.

Tonight: Showers that arrive early-evening should continue through around midnight. Places that see rain will likely only see a few hundredths of an inch -- just enough to be noticeable. After midnight, look for clearing skies and temperatures dropping to lows in the upper 20s for the suburbs and low 30s in the city. Winds may gust up to 25 mph at times overnight.

Tomorrow: We dive back into midwinter-like chill tomorrow under partly sunny skies. Look for highs only to reach the upper 30s in most locations, with perhaps a few "lucky" locations hitting 40 or so -- temperatures that would be below average even in the heart of winter. Winds will slacken from early gusts around 15 to 20 mph as the day progresses.

Weather and Health: The Cooperative Program for Operational Meteorology, Education & Training (COMET) has developed a new online course called Weather and Health, which shows the impacts of weather and climate on public health, including the impacts of heat waves and cold temperatures, winter storms and thunderstorms, flooding, drought, poor air quality, tornadoes, and more. This course is directed at broadcast meteorologists, but it is available here to anyone wishing to learn more about the weather and health connection (free registration required).

See Josh's full forecast through the beginning of next week.

By Ian Livingston  | December 4, 2008; 3:15 PM ET
Categories:  Forecasts  
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Next: Forecast: Cold Comes With Chance of Light Snow


I'd like to make my first brazen prediction of the winter season and call for no school next Thursday.

(Here's hoping this storm tracks just a wee bit East... if it materializes at all.)

Posted by: KBurchfiel | December 4, 2008 5:00 PM | Report abuse

long time viewer first time poster...I'm curious about sunset times. Is the sunset time for the area going to be the same until the winter solstice? I thought I heard that on one of the weather broadcasts last night but found it hard to believe and dont have an almanac handy.

Posted by: asimo | December 4, 2008 5:09 PM | Report abuse

The broadcaster is right and wrong. Wrong in that--yes--the days are still getting shorter, but right in that the solstice sunset will occur just four minutes before tonight's. In other words, we're not at the shortest period yet, but the four minutes of difference is negligible for most people.

Posted by: KBurchfiel | December 4, 2008 5:34 PM | Report abuse

The front appears to be right on the leading edge of the rain shield. I was walking home as it hit D.C. and there was a noticeable wind shift and change to the feel of the air toward colder.

Posted by: Ian-CapitalWeatherGang | December 4, 2008 6:40 PM | Report abuse

Here in the Blue Ridge Mtns, there was enough rain to cause some splashing in potholes. Now that the moisture is past, we've finally gotten below freezing and falling. Current temp=30.9F. The forecast was right for tonight... no snow.

NBC25 in Hagerstown mentions the snow word for Saturday night into Sunday, a wintry mix Tuesday morning, and then possible snow again for Wednesday night into Thursday.

Posted by: spgass1 | December 4, 2008 11:34 PM | Report abuse

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