The Washington Post

PM Update: Rain, wintry mix end, howling winds return

* Snow totals | Wind advisory Thursday *

10:30 p.m. Update: Dulles Airport is reporting light snow in its latest observation, and we’re getting reports of various precipitation types (rain, sleet, snow) from readers across the area this evening as light precipitation lingers especially from around D.C. toward points north and west. Regardless of what’s falling where you are, temperatures are falling and that means an additional light coating of snow or ice is possible over the next few hours, mainly in the colder north and west suburbs, before precipitation peters out. Some icy spots are likely as well north and west of town overnight into the early morning.

From earlier...

Today’s rainy, “sleezy” (mix of snow, sleet and freezing rain) storm is moving out and leaving multi-colored skies in its wake. Clearing will be slow and some patchy shower activity remains possible overnight. Watch out for icy spots which may form, especially north and west of the beltway. On Thursday, we clear out, but it’s very windy, with gusts to 50 mph possible.

Through Tonight: Steady rain ends between 5:30 and 7 p.m. but some spotty showers may linger a bit longer on the north and northwest side of town. It’s chilly and normally colder locations north and west of the beltway (places like Oakton, Warrenton, Ashburn, Leesburg, Darnestown, Germantown, Gaithersburg, Frederick, Clarksburg, etc) may well see slick spots redevelop this evening and overnight. Lows range from the upper 20s in the colder suburbs to the low-to-mid 30s downtown.

Thursday: A rain or snow shower (mainly north and west suburbs) is possible early in the day, then it becomes partly to mostly sunny but windy and cold. Highs range from the upper 30s in the colder suburbs to low 40s elsewhere. Winds are very strong, sustained at 20-25, with gusts of 40-50 mph possible - from the west and northwest.

See Dan Stillman’s forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter. For related traffic news, check out Dr. Gridlock.

Saturday storm: Models - while still subject to change - continue to support the idea of some snow, mixed precipitation or rain Saturday. My current interpretation of available information suggests this will be a light to moderate event at most.

Chance of at least 1 inch of snow Saturday (NOAA)

Our winter weather expert, Wes Junker, will take a detailed look at the storm potential in a post tomorrow. For what it’s worth, NOAA’s Hydrometeorological Prediction Center assigns greater than 70 percent chance of 1 inch of snow Saturday. I think this is overdone.

As for today’s event, this is what snow lovers are left pondering...

( Jeff Keane )
Jason is the Washington Post’s weather editor and Capital Weather Gang's chief meteorologist. He earned a master's degree in atmospheric science, and spent 10 years as a climate change science analyst for the U.S. government. He holds the Digital Seal of Approval from the National Weather Association.

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