The Washington Post

PM Update: Light snow or mix into Saturday afternoon; then chilly

* Winter weather advisory 3 a.m. to 6 p.m. Saturday for Loudoun, northern Fauquier, Montgomery, Howard, and Frederick counties and north and west for 1-3 inches of snow *

Temperatures today have been more or less seasonable, with highs mostly in the low 40s. The chilly air mass sets the stage for a period of snow and mixed precipitation Saturday. The wintry mix moves out Saturday afternoon and evening with cold air in its wake to close out the weekend.

Through Tonight: Clouds increase with snow or mixed sleet and snow developing after 3 or 4 a.m. from southwest to northeast. Lows range from near freezing downtown to the upper 20s in the colder suburbs.

Saturday: Snow or mixed sleet and snow are likely early-to-mid morning. Along I-95 and to the south and east, snow and sleet could mix with or change to rain late morning into early afternoon. Snow and mixed precipitation tapers off in most spots by early to mid-afternoon. Total snow accumulations range from 1-3 inches north and west of the beltway to around 1 inch inside the beltway and less than an inch in southern Maryland and south of Prince William county. See our snowfall map. High range from 33-38 northwest to southeast. Light winds become out of the northwest in the afternoon around 10 mph.

Saturday night and Sunday: Skies partially clear Saturday night and it’s breezy (winds from the northwest at 15-20 mph) and very cold with lows 23-28 (suburbs-city) . On Sunday, it’s mostly sunny, blustery and cold with highs only 34-39. Winds are from the northwest at 15-20 mph, gusting to 30 mph at times. Wind chills will be in the 20s.

Related: Redskins vs. Cowboys weather forecast: Bone chilling cold but dry

See Camden Walker’s forecast into 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.

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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