PM Update: Yet another blast of frigid air tonight; wind chill advisory N & W suburbs

* Wind chill advisory for northern Fauquier, Loudoun and Montgomery counties, and locations north and west 9 p.m. tonight to 9 a.m. Friday morning *

Wind Chill Map

Wind chills: Latest D.C. area wind chills. See more maps on our Weather Wall.

After lows dipping below zero in parts of the region early this morning, temperatures bounced back into the 20s this afternoon as a few snow flurries zipped across the region. A reinforcing shot of bitter cold air streams into the region tonight, bringing a new round of subzero wind chills by morning. Temperatures struggle to reach 20 on Friday.

Through Tonight: Scattered snow flurries early on, mainly north of the District. Then it becomes mostly clear and extremely cold. Lows range from the mid-single digits in the colder suburbs to the low teens downtown. Winds are from the north at 10-15 mph. The combination of wind and cold drops wind chills below zero this evening (between 9 p.m. and midnight) in our colder suburbs and around dawn downtown.  Some of our colder suburbs could see wind chills bottom out in the -5 to -10 range.

Tomorrow (Friday): The sunshine is brilliant, but the temperatures are brutal. Highs range from 16 to 21 (northwest to southeast), with wind chills near or below zero in the morning, “warming” into the single digits during the afternoon. Winds are from the north around 10 mph.

See David Streit’s forecast through early next week. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.


A wintry day on the Patapsco River Wednesday (Daniel Hart via Flickr)

Beautiful NOAA image of the day:

Via NOAA’s Environmental Visualization Laboratory, check out this image and accompanying description:


(NOAA)

Clear, cold air following behind the winter storm of January 21, 2014 highlights the extent of snowfall in the Mid-Atlantic states. The frigid temperatures that remain entrenched over the central and eastern U.S. will begin to affect the southern states through the rest of the week. Winter Weather Advisories are posted for a portions of Texas for snow and freezing rain, while Hard Freeze Warnings extend from the Southeast states into northern Florida. This image was taken around 1840Z on January 22, 2014.

A couple terrific sunset pics:

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.
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Jason Samenow · January 23, 2014

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